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cannot connect to cellular service

How to flash the bootloader of a Galaxy S7, other issues

One of the common #GalaxyS7 and #GalaxyS7edge problems is boot-related so we bring you today one of the most effective means of fixing it — by flashing the bootloader. Together with this issue and its solution, we also bring you 7 other different problems. We hope that the solutions we provide here today will help a lot of users and not just the ones mentioned here today.

Below are the specific topics we’re covering for you:

  1. Galaxy S7 does not receive SMS notifications when conversation thread is open
  2. Adobe Elements Organizer in computer can’t detect photos in Galaxy S7
  3. Galaxy S7 edge won’t send SMS and make calls after screen was replaced
  4. Galaxy S7 keeps losing cellular service
  5. How to set up business email account in Galaxy S7 email app
  6. Galaxy S7 mobile data connection is intermittent
  7. Galaxy S7 black screen issue, won’t turn on
  8. How to flash the bootloader of a Galaxy S7

If you are looking for solutions to your own #Android issue, you can contact us by using the link provided at the bottom of this page, or you can install our free app from Google Play Store.

When describing your issue, please be as detailed as possible so we can easily pinpoint a relevant solution. If you can, kindly include the exact error messages you are getting to give us an idea where to start. If you have already tried some troubleshooting steps before emailing us, make sure to mention them so we can skip them in our answers.


Problem #1: Galaxy S7 does not receive SMS notifications when conversation thread is open

Hi. I have a Samsung S7, which in general I love. However, an update a while back stopped some of my text notifications and I can’t figure out how to fix it. When I receive a text, I always get a notification. But if I don’t leave that conversation after replying, I don’t get a notification if the original sender responds to me. In order to know if someone in a current conversation sends me a 2nd, 3rd, etc text, I can’t remain in that conversation’s screen. Every time I read a text from that person or reply to them, I have to back out of the conversation to receive notifications for new responses. Does that make sense? 🙂 Is there a way to change that? Or is that option just gone? — Andrea

Solution: Hi Andrea. We’ve observed the same behavior in own Galaxy S7 and S8 edge (both running Android Nougat) so it’s just how it works. There’s no option to change this behavior somewhere so a common sense workaround is to simply close the conversation thread when you’re not reading it. We don’t know if Samsung or Google will change this behavior in the future so all we can do for now is take it as it is.

We can’t be sure if the same thing happens when using other messaging apps so try using them to know the difference.

Problem #2: Adobe Elements Organizer in computer can’t detect photos in Galaxy S7

I have been able to connect my phone to my laptop. Auto play is set to open Adobe Elements Organizer and find pictures to import when ready import media button is highlighted. The last 2 weeks, Elements says it is unable to obtain any thumbnails for import. The phone is busy or not connected. I updated and restarted both machines. Still the same message. I changed auto play to import via regular photos on laptop, nothing. I changed auto play to ask me what action to take when plugged in, nothing. I clicked the window that appears when you plug in and chose the different options, nothing. — Karen

Solution: Hi Karen. We are here to support Android issues so if you’re having a problem with a PC (Windows or iOS) program, we recommend that you contact the support team of the said app and not us. The only functionality that you want to check before you communicate with the developer of the Adobe Elements Organizer is the phone’s USB connection to your computer. If your computer can detect, read, and transfer files to and fro via its file explorer, that means that the problem your having is due to an issue with Adobe Elements Organizer program.

If you think the problem is phone-related, consider doing a factory reset by following the steps below:

  1. Turn off your Samsung Galaxy S7.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key.
  3. When the Samsung Galaxy S7 shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe data / factory reset.’
  6. Once highlighted, you may press the Power key to select it.
  7. Now highlight the option ‘Yes — delete all user data’ using the Volume Down key and press the Power button to select it.
  8. Wait until your phone is finished doing the Master Reset. Once completed, highlight ‘Reboot system now’ and press the Power key.
  9. The phone will now reboot longer than usual.

Keep in mind that factory reset will delete user data like photos, videos, contacts, etc. so make sure you create a backup of your files before doing it.

Problem #3: Galaxy S7 edge won’t send SMS and make calls after screen was replaced

A few weeks ago I had the screen on my Samsung Galaxy S7 edge fixed because I accidentally dropped the phone which shattered the screen. Now having the phone fixed I have been having terrible service and things going wonky on me. For instance I can’t send text messages, or make simple phone calls. But I can get messages and phone calls from my contacts or anyone. And if I want to do anything on my phone I have to be connected to a WiFi signal. MTS and Samsung kept telling me that my wireless signal might be damaged or something or else of that garbage. I think it’s my service signal or i need to reset my phone. But don’t know what to do now, help please!!! —Gareth

Solution: Hi Gareth. If you don’t want to heed the advice of Samsung about a possible hardware problem (which can be the antenna or another specific component that handles networking functionality), then work with your wireless carrier so they can help you configure your phone properly. There’s a lot of things to check to identify the true cause of your problem and the best thing to do first is by ensuring that your phone’s network settings are correct.

Once you’ve dealt with the possible network settings issue, the next thing that your wireless carrier is to check if your account is working properly. There may be some account-specific limitations preventing it from doing certain tasks. We can’t think of any logical explanation how this can happen when the only different think that you did was to have the screen replaced but it’s still worth checking nevertheless.

If the phone has the correct network settings and there are no blocks or limitations on your account, the next thing that you can do on your end is to factory the device. Doing so will ensure that there are no third party apps and software glitch that affects the network functionality. Make sure to check how SMS and voice calling work right after you factory reset your phone. You should not install anything (app or updates) at this point. If the phone continues to behave the way it does right now, you can assume that there must be a hardware problem behind it.

Hardware diagnostics is a tricky business and depending on the situation, the real cause of a problem may never be determined. To raise the chances of identifying and fixing the problem, send the phone to Samsung. The phone must be physically checked by their technician so no amount of calls to their customer service can help you in this case. Better still, just have it replaced.

Problem #4: Galaxy S7 keeps losing cellular service

Hello there!! I am hoping you can help me find some answers, and help me troubleshoot. I am having a problem with dropped signal! It happens now at least 3-4 times a day. My texts will circle, and circle and then never send. Then my apps won’t load, or my web browsing doesn’t load. My calls won’t go through. It’s like, literally everything just shuts down. But when I look up on the drop menu (top of phone lol) it says I have full bars, and 4G LTE. Verizon is my phone service provider and carrier, but I haven’t been able to make it in the store yet to ask for assistance. It has gotten worse over the last few days. Have you had any complaints with this? Please email me back! Thank you. — Briana

Solution: Hi Briana. First of all, we don’t send our responses via email. We want to make our suggestions and solutions available for other Android users as well so we publish them instead. We hope that you’ll find this article in time.

Secondly, intermittent cellular service problems are most often caused by issues on the carrier side so make sure that you call them whenever you experience them. A lot of times, the problem is not phone related but if you suspect that your phone may be to blame, you can always try the basic software troubleshooting steps like:

  1. wiping the cache partition,
  2. observing in safe mode
  3. deleting the cache and data of apps involved, and
  4. factory reset.

For reference, here are the steps on how to do each of them.

Wiping the cache partition

Minor firmware and hardware glitches can be fixed by deleting the system cache. In fact, we technicians always recommend doing it before performing any of the reset procedures:

  1. Turn off your Samsung Galaxy S7.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key.
  3. When the Samsung Galaxy S7 shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe cache partition.’
  6. Once highlighted, you may press the Power key to select it.
  7. Now highlight the option ‘Yes’ using the Volume Down key and press the Power button to select it.
  8. Wait until your phone is finished doing the Master Reset. Once completed, highlight ‘Reboot system now’ and press the Power key.
  9. The phone will now reboot longer than usual.

Restarting the phone in safe mode

It is imperative you know this procedure as it is very important in troubleshooting third-party or downloaded apps. You can follow these steps if your phone frequently reboots and you can’t perform troubleshooting while in normal mode.

  1. Turn your Galaxy S7 off.
  2. Press and hold the Power button.
  3. Once the ‘Samsung Galaxy S7’ logo appears, release the Power key and immediately press and hold the Volume Down button.
  4. Continue holding the button until the phone finishes rebooting.
  5. Once you see the text “Safe mode” at the bottom left corner of the screen, release the Volume Down button.

Clearing an app’s cache and data

There’s a chance the issue may lie on the app-level so make sure that you delete the cache and data of every app you’re having problems with. Here’s how:

  1. Open the Settings menu either through your notification shade (drop-down) or through the Settings app in your app drawer.
  2. Navigate down to “Apps”. This may be renamed to something like Applications or Application Manager in OEM skinned versions of Android 6.0.
  3. Once in there, click on an application.
  4. You’ll now see a list of stuff that gives you information about the app, including Storage, Permissions, Memory Use, and more. These are all clickable items. You’ll want to click on Storage.
  5. You should now clearly see the Clear Data and Clear Cache buttons for the application.

Factory reset your S7

This is a drastic step that involves wiping the phone to bring it back to a clean slate. It will erase all user data such as photos, videos, contacts, etc. so create a backup before performing it:

  1. Turn off your Samsung Galaxy S7.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key.
  3. When the Samsung Galaxy S7 shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe data / factory reset.’
  6. Once highlighted, you may press the Power key to select it.
  7. Now highlight the option ‘Yes — delete all user data’ using the Volume Down key and press the Power button to select it.
  8. Wait until your phone is finished doing the Master Reset. Once completed, highlight ‘Reboot system now’ and press the Power key.
  9. The phone will now reboot longer than usual.

Problem #5: How to set up business email account in Galaxy S7 email app

Hello. I have a business email account on my laptop. It is in Microsoft Outlook. I also have a Gmail personal account. I can already access my Gmail account from my S7 and I want to be able to access my business account simultaneously. I have tried following the usual instructions but after the exchange server settings when I am asked to sign in it then says “cannot connect with server.” What do I need to do to make this work? Please help. Thanks in advance. — Jamie

Solution: Hi Jamie. If you have an Outlook email domain (such as [email protected]) try to disable all the security protection features first such as two-step verification, identity verification apps, and app passwords before setting up the account in your S7 email account. You can do that by logging in to your Outlook account in a computer, and changing account settings under Security tab.

If you have a different email domain, ask support from your email service provider. They should be able to tell you if their service also supports email via mobile.

Problem #6: Galaxy S7 mobile data connection is intermittent

Hello. This is my first time having this issue with my Galaxy S7. My data connection has been fine since i got the phone and now suddenly my internet will be working then 5 minutes later it’ll stop then just keep going intervals of time working then not. It’s driving me insane especially since i don’t have wifi.

I don’t know if it’s the cell phone service or the phone. Please help! It also will get very hot when I’m using it. — Courtney

Solution: Hi Courtney. Like what we told Briana above, the first thing that you need to do in this case is to let your service provider know about it. You should do this even if you suspect that the issue lies on your phone so they can double check whether or not there’s a network issue in your area. They also need to check if there’s any issue or limitation set in your account that may interfere with your network usage. Once they’re done checking everything on their end, that’s the time that they should help you troubleshoot your phone.

As far as phone troubleshooting is concerned, the things that you can do won’t vary much to the steps we recommended for Briana. The same steps mentioned above will be the same exact ones your carrier’s support representatives will have you do. If you want, you can try them before you call your carrier to save time. If nothing changes after you do them, the problem must be on the network side. Assuming that you take care of your phone (never been dropped, exposed to water or heat, unrooted, etc.), we can’t think of any hardware issue that can result to the experience you’re having.

Problem #7: Galaxy S7 black screen issue, won’t turn on

Hi, I recently tried to work through your “Black Screen of Death” article. My S7 is responding to the boots with vibrations and LED light, but the screen itself is still not responding. I haven’t dropped it or anything and it is not cracked or otherwise visibly damaged. Any suggestions? — Jamie

Solution: Hi Jamie. There’s nothing more that you can do then. The problem is either a bad screen, or an unknown hardware issue. You must send the phone in so it can be repaired or replaced.

Problem #8: How to flash the bootloader of a Galaxy S7

i was flashing a custom ROM onto my G935F running Marshmallow but forgot to make a backup. Got my device stuck in a boot loop. Is there a way to get the stock bootloader recovery and ROM? Stock ROM is easy. I’m having trouble finding the bootloader. I’ve been at it for about 7 hours now and no such luck. — Bryan

Solution: Hi Bryan. We don’t keep a compilation of bootloaders or firmware like Sammobile does so make sure that you visit this site first. Once you’re in the site, do the following:

  1. Look for the correct firmware for your phone model and download it. Make sure that you select the right one. It should be the same exact firmware that ran previously on your device. We assume that you list down the firmware version somewhere. If you did not take note of it before, there’s a chance that you may pick the wrong one. As you may know now, using an incorrect firmware can cause complications so good luck with that.
  2. Let’s now say that you have identified the correct firmware. You then want to download it to your computer. The firmware file should have a bunch of files in it like AP_, BL_, CSC_, etc.
  3. Look for the file that starts with a label BL; this should be the corresponding bootloader file for this firmware. Once you’ve identified the bootloader file, copy it to your computer’s desktop or to any other folder that you can easily access.
  4. Proceed with the rest of the flashing procedure using the Odin program.
  5. In Odin, click on the BL tab and make sure to use the bootloader file you’ve identified earlier.
  6. Now, make sure that the “Device Added” status and its “ID:COM box” has turned blue before hitting the START button. This will initiate the flashing of your phone’s bootloader.
  7. Restart the phone once the procedure is finished.

 


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Galaxy Note 5 voice-to-text feature not working properly after an update, other issues

Without a clear successor, we expect that the #GalaxyNote5 will remain the flagship of Samsung’s Note series well until next year. This means that there will be more Note 5 cases reported to us as the phone matures. That said, there will be more Note 5 posts in the coming months as we continue to help Android community deal with issue on this device.

Our post covers 6 more Note 5 issues and below are specific topics we have for you today:

  1. Galaxy Note 5 keyboard not working
  2. Galaxy Note 5 cannot connect to cellular service after installing an update
  3. Galaxy Note 5 voice-to-text feature not working properly after an update
  4. Galaxy Note 5 won’t charge and won’t turn back on
  5. Galaxy Note 5 S Voice app not responding
  6. Galaxy Note 5 stuck in Samsung logo screen, won’t turn on

If you are looking for solutions to your own #Android issue, you can contact us by using the link provided at the bottom of this page, or you can install our free app from Google Play Store.

When describing your issue, please be as detailed as possible so we can easily pinpoint a relevant solution. If you can, kindly include the exact error messages you are getting to give us an idea where to start. If you have already tried some troubleshooting steps before emailing us, make sure to mention them so we can skip them in our answers.


Problem #1: Galaxy Note 5 keyboard not working

Hi. I’ve owned my Samsung Galaxy Note 5 from new. My phone is in sleep mode and I wake it up. I try to send an SMS, the keyboard pops up as normal. I begin to type, it’s highlighting the keys I’m pressing but nothing’s being written down! So I tried going through some other apps using in-game chat features and same thing, your typing is registered but nothing is being recorded down. So I tried a messaging app and same again. Doesn’t matter if you’re using S-Pen for handwriting or the predictive text it won’t register. Nothing. If I restart the phone, nothing’s changed. Only when I either remove the battery or switch off for a minute when it restarts am I able to type again! But then soon as phone goes into sleep mode and reawakens I’m back to square one! No writing again. Any help would be most appreciated thanks. — Dan

Solution: Hi Dan. There may be a keyboard app bug causing this problem so the first thing that you want to do is to clear the cache and data of whatever keyboard set as default. If you have multiple keyboard apps installed, make sure to also clear their respective cache and data. Better still, simply uninstall them to minimize chances of creating a conflict.

To clear an app’s cache and data, follow these steps:

  1. Open the Settings menu either through your notification shade (drop-down) or through the Settings app in your app drawer.
  2. Navigate down to “Apps”. This may be renamed to something like Applications or Application Manager in OEM skinned versions of Android 6.0.
  3. Once in there, click on an application.
  4. You’ll now see a list of stuff that gives you information about the app, including Storage, Permissions, Memory Use, and more. These are all clickable items. You’ll want to click on Storage.
  5. You should now clearly see the Clear Data and Clear Cache buttons for the application.

Should the issue continue after wiping the app’s cache and data, we recommend that you factory reset the phone. Doing so will revert all software settings to their defaults. If the glitch lies on the software side, factory reset should fix it.

To factory reset your Note 5, follow these steps:

  1. Turn off your Samsung Galaxy Note 5 completely.
  2. Press and hold the Volume Up and the Home buttons first, and then press and hold the Power key.
  3. Keep the three buttons pressed and when ‘Samsung Galaxy Note5’ shows, release the Power key but continue holding the other two.
  4. Once the Android logo shows, release both the Volume Up and Home buttons.
  5. The notice ‘Installing system update’ will show on the screen for 30 to 60 seconds before the Android system recovery screen is shown with its options.
  6. Use the Volume Down key to highlight the option ‘Yes — delete all user data’ and press the Power key to select it.
  7. When the process is complete, use the Volume Down key to highlight the option ‘Reboot system now’ and hit the Power key to restart the phone.
  8. The reboot may take a little longer to complete but don’t worry and wait for the device to become active.

Problem #2: Galaxy Note 5 cannot connect to cellular service after installing an update

Hello guys. I’m Junior K. So yesterday I was using my Samsung Galaxy Note 5 quite well until this morning. I decided to update the software to the most recent one. From settings, scrolling down to ‘About the device”, I got that message telling me that “The operating system in your device has been modified in an unauthorized way. Try downloading software updates using Smart Switch on your computer or visit a customer service center.”

So I did it using the Smart Switch with my PC. The whole process went well and the update was completed without any problem. My issue is, since then, I’m not able to make any phone call or text message because whenever I try to dial I get the “Not registered on network error.” I thought I could just deal with this by going through settings, then mobile networks and select a network either by Selecting automatically ( here I get the “Unable to connect. Try later” error) or Searching networks to select my provider ( here I get the “Error while searching for networks”).

I have also tried to remove the SIM card, to factory reboot, to select 2G only or 3G only then restart, nothing is changing. I called my provider, my line is ok and I can see from the task bar that the SIM card is recognized but still I cannot access mobile network. I’ve actually spend almost all day trying all the suggested solutions I’ve finding on the web, nothing has given result, what would you suggest me? Thank you! — Juniorlusu

Solution: Hi Juniorlusu. If factory reset did not fix your issue, there’s very little that you can do on your end. Since the problem started after you updated the software, something must have gone wrong during the installation. It’s also possible that the update may have corrupted the baseband version though this is the first time we’ve heard of an issue like this. Baseband version is the firmware of your phone’s modem.

Mobile modem manufacturers usually release an update for their products when phone manufacturers like Samsung releases an update. Thus, baseband version is usually updated when you install a system update. We can’t say for sure if the most recent update you installed corrupted the baseband but it can happen, at least in theory. Unfortunately, you will be unable to modify the baseband version unless you root your phone and install a custom ROM (which we don’t recommend). Even then, you need expert advise on how to get the correct baseband version for your phone model and how to install it to your phone.

If your wireless carrier can’t figure out the issue, we suggest that you have the phone replaced.

Problem #3: Galaxy Note 5 voice-to-text feature not working properly after an update

When I voice to text in the texting app the app repeats what i said. It looks like it is running through all of the possible variations of what I potentially said. So for example I say “My name is Joe: and it prepares this to send: My name is Joe my name is Jose my name is Joel my name is joy. However, if I say “My name is Joe period” I do get: My name is Joe. … and that is it. So the punctuation works, but I shouldn’t have to tell it “period.” It just started happening today and I ran the Marshmallow update on 2/25/17. — Joe

Solution: Hi Joe. The first step that you need to do in this case is to wipe the cache partition. This is a must-do especially if you’re having trouble following a system update. Here’s how it’s done:

  1. Turn off your Samsung Galaxy Note 5 completely.
  2. Press and hold the Volume Up and the Home buttons first, and then press and hold the Power key.
  3. Keep the three buttons pressed and when ‘Samsung Galaxy Note5’ shows, release the Power key but continue holding the other two.
  4. Once the Android logo shows, release both the Volume Up and Home buttons.
  5. The notice ‘Installing system update’ will show on the screen for 30 to 60 seconds before the Android system recovery screen is shown with its options.
  6. Use the Volume Down key to highlight the option ‘wipe cache partition’ and press the Power key to select it.
  7. When the process is complete, use the Volume Down key to highlight the option ‘Reboot system now’ and hit the Power key to restart the phone.
  8. The reboot may take a little longer to complete but don’t worry and wait for the device to become active.

Install app updates

Once you’ve wiped the cache partition, make sure that you immediately install all pending app and system updates. Doing so eliminates potential bugs that can develop if you use outdated apps with a new operating system. Many Android users often forget to install app updates after a system update, resulting to complains about slow performance, instability issues, among others. It’s your responsibility to ensure that all your apps are updated and compatible with the new operating system.

Delete app cache and data

There may be an app-specific bug causing this problem so make sure that you wipe the cache and data of the apps you’re having problems with.

Factory reset

If nothing changed after doing all the troubleshooting above, just wipe the phone clean it with factory reset.

  1. From the Home screen, tap the Apps icon.
  2. Find and tap the Settings icon.
  3. Under the ‘Personal’ section, find and tap Backup and reset.
  4. Tap Factory data reset.
  5. Touch Reset device to proceed with the reset.
  6. Depending on the security lock you used, enter the PIN or password.
  7. Tap Continue.
  8. Touch Delete all to confirm your action.

NOTE: Factory reset will wipe all user data from the phone so ensure that you create a backup before proceeding.

Problem #4: Galaxy Note 5 won’t charge and won’t turn back on

My phone was working fine, just stopped charging. I thought it was the charger. I bought a new charger and the battery symbol came on. Left it charging for several hours only to find that when i turned it on, it only had enough juice to show the Samsung text then it shut right off again. I tried many different reboot button combinations but my phone is so dead it won’t do a thing. Now when I plug it in to charge the battery symbol no longer shows up. It’s just completely drained. — Sam

Solution: Hi Sam. There’s no direct way to know what may be wrong so you’re supposed to narrow down the possible causes first. Unfortunately, in this case, the entire elimination process also involves opening the phone up and testing some hardware components like the charging port, battery, power IC, and the motherboard in general. That leaves you with doing limited software troubleshooting, which may not provide a full picture of the problem. If the phone has become totally unresponsive and won’t even boot to other modes, you can assume that bad hardware is to blame. You won’t be able to do anything at this point so the best course of action for you is to send the phone in. if possible you want to let Samsung handle the repair process, especially if it’s still within the warranty.

Problem #5: Galaxy Note 5 S Voice app not responding

Hi there. I have a Samsung Note 5 for about a year now and for the past month there has been a problem with my S Voice app. When i tap on it, the phone freezes and after a couple minutes a recognition legal info appears. i press “I agree” and then “next” but then the phone keeps on freezing and then a little window appears saying: “S Voice app isn’t responding. Do you want to close it.” i tried to go to the app manager and press force stop but it didn’t help. Also tried to disable and enable the app but it still didn’t help. Would really like for some help 🙂 Sincerely. —  Eden

Solution: Hi Eden. Other Samsung apps may be to blame so make sure that you try to Force Stop or clear their cache and data as well. If that won’t fix it, try to factory reset  in case an unknown software glitch is causing the problem.

Problem #6: Galaxy Note 5 stuck in Samsung logo screen, won’t turn on

Hello. My name is Tracy Johnson. I own a Samsung Galaxy Note 5 and it has recently stopped working. It suddenly for no reason gets stuck on the flashing Samsung logo when I try to boot it up. I have tried the soft reset many times. I have put it in rice overnight in case it had humidity although it didn’t get wet. I could not get it to even bring up the safe mode option when I held down the menu key while booting.  I haven’t tried the factory reset yet because I have info on the phone I really don’t want to lose and I am hoping there is another option. Please help. — Trace.33

Solution: Hi Trace.33. The only thing that you can do now is to boot the phone to alternate modes so you can do their respective follow up troubleshooting. For example, if you can boot your phone to recovery mode, you should try to wipe the cache partition first to see if that will fix the problem. If not, you must either do a factory reset or manual flashing of stock firmware. Either of these procedures involves wiping the phone’s storage device so you’ll still your files no matter what.

There’s no way another device such as a PC can access your phone’s storage device in your phone’s state so file recovery is out of the question.

For reference, here are the steps on how to boot your phone to other modes and their respective follow up troubleshooting steps:

Boot in Recovery mode:

  1. Charge the phone for at least 30 minutes.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key.
  3. When the Samsung Galaxy S7 shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe cache partition.’
  6. You can either wipe the cache partition or do a factory reset when in this mode.

Boot in Download Mode:

  1. Charge the phone for at least 30 minutes.
  2. Press and then hold the Home and Volume DOWN keys, then press and hold the Power key.
  3. When the Samsung Galaxy S7 shows on the screen, release the Power key but continue holding the Home and Volume DOWN keys.
  4. Wait until the Download screen appears.
  5. If you can boot the phone in download mode but not in other modes, that means that your only way out may be to flash a stock or custom firmware.
  6. Use Google to look for a guide on how to do it.

Boot in safe mode:

  1. Charge the phone for at least 30 minutes.
  2. Press and hold the Power button.
  3. Once the ‘Samsung Galaxy S7’ logo appears, release the Power key and immediately press and hold the Volume Down button.
  4. Continue holding the button until the phone finishes rebooting.
  5. Once you see the text “Safe mode” at the bottom left corner of the screen, release the Volume Down button.
  6. The only difference of safe mode from normal mode is that the former prevents third party apps from running. If you can boot the phone in safe mode but not in normal mode, uninstall all apps until the issue (that prevents you from booting normally) is eliminated.

Problem #7: Galaxy Note 5 power button not working, “systemUI isn’t responding” error

Earlier I was having issue with my phone that its ON button Power button won’t  respond, same with Home button. Then screen shows error like “process isn’t responding,” “systemUI isn’t responding,” etc. with other not responding issues. Then I decided to do Factory reset. During that time, it wiped the data completely, but did not boot for long time.

Then it shows ‘dm-verity failed… error. I restarted it. Then finally it shows the screen where it confirms that it done the factory reset. Now still I see the Power button and Home button not responding sometimes. Can you please help why is it so. and what should I do next? Thanks in advance. You are doing the great work by providing the solutions to the users. — Deepak

Solution: Hi Deepak. We think you have a bad hardware issue on your phone so we doubt if you can fix it on your level. That factory reset did not change anything is a strong indication that it is a non-software problem. We don’t know the full history of your phone so there’s very little information that can help us get a complete picture of where the point of failure is. The general rule in Android troubleshooting is to try all software troubleshooting first. If nothing changes after you’ve exhausted all software troubleshooting, you can assume that there is a hardware malfunction somewhere.

To fix your issue, we suggest that you send the phone to Samsung so their technician can examine the hardware and do appropriate repair if necessary.

 


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