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Galaxy S7 messaging app lags when in group chat, low storage space error, other issues

Hello Android fans. Welcome to another #GalaxyS7 troubleshooting episode. In this one, we bring you 10 more S7 and S7 edge issues. We hope that our solutions can effectively fix problems mentioned here as well as similar ones not reported to us.

Below are the specific topics we prepare for you today:

  1. Galaxy S7 messaging app lags when in group chat
  2. Galaxy S7 keeps rebooting by itself
  3. Sent messages from Galaxy S7 edge do not always arrive
  4. Galaxy S7 not receiving Nougat update
  5. Galaxy S7 screen stays black and won’t turn on after it was cracked
  6. Galaxy S7 died after deleting a file from the system
  7. Galaxy S7 turns itself on and off
  8. Galaxy S7 keeps showing low storage space error
  9. Truck’s Bluetooth speakers not working properly when connected to Galaxy S7 edge and other Bluetooth devices are nearby
  10. Galaxy S7 stops reading MP3 files after an update

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 messaging app lags when in group chat

So my phone has this problem with the texting. You see I just got my phone about a week ago and it has this problem. When I have a group chat and i’m getting more than one text at a time it lags, doesn’t receive the text, or will separate the conversation to each person and I have to download the text like a picture which doesn’t work. — Sam_morales03

Solution: Hi Sam_morales03. There may be an app-level bug causing this problem so the first troubleshooting step that you want to do is to delete the messaging app’s cache and data. 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.

Deleting a messaging app’s data will delete your conversation threads so if you have some important messages, be sure to create a backup first.

If wiping the cache and data won’t change anything, consider using a different messaging app. You can download some free messaging apps from Google Play Store.

Problem #2: Galaxy S7 keeps rebooting by itself

I have a Galaxy S7 which powered off by itself. When I powered it on, it just shows MetroPCS logo and won’t go past it. No reboot has worked. Tried soft and hard reboot, nothing is working. I am tired with the phone. I just got the phone not even 7 days ago and so many problems. I have insurance on it. I don’t know what to do. I just need it fixed I deal with security with public and I need my phone handy at all times. Thank you. — Sunshine_8813

Solution: Hi Sunshine_8813. In a lot of cases like yours, the main cause of the problem is hardware-related. If you can’t boot the phone to alternate modes (Recovery mode, Safe mode, and Odin mode), then the only thing that you can do is send it in. We understand that your phone is important for your job but repair or replacement is the only solution for you. You can’t do any software troubleshooting on the device if it won’t stop rebooting by itself.

In some rare cases, there may be a chance that the random reboot issue may stop to allow you flash the bootloader or firmware. Flashing or installing is the only available option for you if you can successfully restart the phone to Odin or Download mode. Basically, what you want to do is to force an update to your phone to wipe the current firmware or bootloader and bring all software back to its original state. Again, flashing is only possible if you manage to boot your S7 to Download mode. To do that, follow these steps:

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.

Booting to Download mode is not a solution in itself but a way to possibly fix your problem. If your phone won’t reboot on its own while it’s on this mode, you then need to get hold of a PC so you can install the right software for the subsequent flashing process.

Bear in mind that flashing is inherently risky and may result to complications if not done properly. Make sure that you do some research about flashing and how it should be done on your device. Not all flashing process is the same so be sure to use a guide specifically designed for your phone model.

You also need to use the correct firmware version for your phone model. A good flashing guide should mention a link where you can download the necessary software for your PC and the correct firmware for your phone.

Before you try to flash the firmware, we recommend that you try flashing the bootloader first as a bad bootloader sometimes results to random reboot problems. Like flashing a firmware, there must be a specific set of steps on how to do this on your S7. To give you a general idea on how to flash a bootloader, try checking the steps below:

  1. Look for the correct firmware for your phone model and download it. Make sure that 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.

Problem #3: Sent messages from Galaxy S7 edge do not always arrive

Hi. My friend has a Samsung S7 Edge and I have an iPhone 7 plus. Every morning he sends a text message but sometimes they don’t arrive. He’s not aware of it as it appears to be sent. I have to text him to see what’s happened. He tries to resend and sometimes it arrives.

The other night 3 of the same messages all arrived in the evening although they were sent in the morning. His phone at that time was connected to wifi. Hope you can solve the problem. Thanks. — Carolyns

Solution: Hi Carolyns. An issue like this requires support from both carriers (yours and your friends). Although the problem can be caused by your friend’s phone, it can easily just as easily be an issue on your end, or on one of the carrier’s systems. Troubleshooting in this case needs time and effort on both yours and your friend’s phone too.

To fix a possible app or phone issue on his phone, try to ask him to delete his messaging app’s cache and data first. To do that, 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.

If wiping the messaging app’s cache and data won’t help, he then needs to try using a different messaging app for a few days so he can observe if the problem lies on the current app. There are many free messaging apps in the Google Play Store so you can direct him there.

If nothing changes and the issue won’t go away afterwards, ask him to contact his carrier so they can take note of the issue. A problem like this does not always have an instant answer and it may take some time from his carrier to figure out what’s going on. If the carrier will say that everything is good on their end after a thorough troubleshooting, the cause of the problem may be on your network.

Problem #4: Galaxy S7 not receiving Nougat update

Hello. I just wanted to know if there any specific reason why a Samsung Note 5 and a Galaxy S7 Edge (some) would not get the Nougat 7.0 update? I tried to see if the update was released in my area but every time I click on Software update, a notification pops up and says my device is up to date. I also have another Galaxy S7 Edge and S7 but they are already running the Nougat version. I’m not quite sure what the problem is. Please advise. Thanks! — Eva

Solution: Hi Eva. For carrier-provided phones, system updates are usually released in batches so all a user can do is to wait for their device’s turn to download them. There’s nothing that you can do about that but if you think your device is way overdue for an update, you should contact your carrier for information.

If your phone is built for another network and you’re using it in another, you cannot expect to receive an over-the-air (OTA) update. A carrier can only update its own phone. If it detects that you’re using a phone from another carrier, like an AT&T Galaxy S7 and you are in AT&T network, your own carrier won’t release an OTA update to your device at all. This is to prevent bricking your device. If your S7 is part of your subscription plan with your current carrier,  we suggest that you contact them so they can assist you.

In some cases, carrier won’t also release updates to rooted or customized (phones that run custom or unofficial firmware) devices. Again, this is to prevent bricking devices. If your phone has been rooted or customized, try to flash the stock software first before checking for any OTA update.

If you have a computer, try to install Samsung Smart Switch to it and use it to check if you can update your phone.

Problem #5: Galaxy S7 screen stays black and won’t turn on after it was cracked

I have a Samsung Galaxy S7. I had it in my back pocket while tearing shingles off a roof. Some how I must have hit it and put a small dent which lead to the screen cracking. The cracks are small and hard to see. At first I had a little screen picture at the top but it wasn’t right but now the screen stays black. It has the lights like my message light is blinking, when someone calls it rings but I haven’t been able to answer it cause I don’t think I can swipe unlock it. Would replacing the screen alone fix this issue or is there more wrong then that. Is the LCD in the screen itself or is it totally different. Any questions feel free to ask. I did do a soft reset and it didn’t change anything. Thank you very much for your time as I’m sure it is valuable. — Brian

Solution: Hi Brian. If this problem was there before the phone was physically damaged, stop wasting your time looking for software solutions. The best thing that you can do is to send it in so the hardware can be checked. That’s the only way to determine the extent of the hardware malfunction. Frankly, we can’t really tell if the issue is only limited to the screen assembly, or if there’s another malfunctioning part in the logic board. That the phone is showing that it’s on and can still receive calls is itself a good thing as it suggests that the system in general is still working.

If the problem has been happening before damaging the screen, try to do a master reset and proceed from there. Master or factory reset will restore all software settings back to their defaults so if a glitch has developed after some time, it should be able to eliminate them easily.

Here are the steps on how to master reset your S7:

  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 #6: Galaxy S7 died after deleting a file from the system

I had this program ‘Andromeizer’ and every time it started it stated: this file <App_’?’, is a txt file. It takes space and is a potential security threat. Fix it!>. So I did fix it! I went to the tread: 0/’sys’ or ‘system ?’ and found the file and deleted it! And I rebooted as requested! That was last the time I had my phone open! I have tried all your advices and none of them does the trick! I have had it in a shop for repair but they gave up! I’m not sure whether they’re experts or not but I really don’t think so! Thank you. — LaKris

Solution: Hi LaKris. If an Android phone does not turn back on, there’s almost always nothing that an average user can do about it. Try to boot the phone to alternate modes first and see if a certain hardware button combination can make the phone come back on. Only then can do the follow up troubleshooting. Remember, you cannot do any software troubleshooting unless the phone is on. If it remains dead or unresponsive, there must be a hardware cause to it. In that case, you must contact Samsung or any relevant party so the phone can be repaired or replaced. If your local service center is of no good, send it to Samsung instead.

For reference, here are the steps on how to boot your S7 to the three alternate boot modes and their respective follow-up troubleshooting:

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 S7 turns itself on and off

Hello. I have a Samsung Galaxy S7. I got it as a gift and assumed it was brand new. worked fine when i used it for the first year approximately. Didn’t have internet at the time so didn’t use it much. One day i was using it and it turned off on me. I plugged it into power and after a few moments it started to turn itself on and off repeatedly and would show random battery percentage.

I tried factory reset multiple times and no luck. done some research and found out it was a refurbished device so it had no warranty and so i bought the latest s tab 2 but want to get this old one fixed. Any help would be great. Thanks. — Dakota

Solution: Hi Dakota. Like what we’re saying above, random reboot issues are mostly caused by bad hardware. If you’ve already tried all applicable software troubleshooting like wiping the  cache partition, battery recalibration, observing in safe mode, and factory reset, there must be a malfunction in the hardware causing it. In some cases, a bad battery can result to frequent crashes or reboots while in others, a damaged power IC can also lead to the same symptoms. Because your phone’s battery is integrated to the logic board, only a repair can identify if it’s still working or not. The same can be said for other hardware components so be sure to bring the phone to Samsung or to an independent service center.

Problem #8: Galaxy S7 keeps showing low storage space error

HI guys! For the last 3 or 4 months, my phone has been telling me that I am low on storage space. I usually don’t keep a lot of excess apps on my phone other than the ones that come stock, and I have deleted 5 or 6 excess apps since I started getting this notification, yet I continue to get this notification. I absolutely require all of the apps that are currently left on my phone. I have also deleted all excess files, and done all of the soft resetting and everything like that, and still get that notification. I don’t have an SD card, and absolutely cannot afford one. It should be mentioned that my mother has the same phone and is having the same issue, and we got them around the same time. Is this a problem with the phone? Are there any tips or tricks to fix this? — Laci

Solution: Hi Laci. A common sense trick in this case is to ensure that you have more than enough storage space left by checking available storage under Settings. Make sure that you have at least 1GB left to allow system caching to be done without problems. If you have more than 1GB available space at this time and the phone continues to show the error, it may be due to a system glitch. Do a master reset and see how it goes afterwards. Be sure to back your important files up such as photos, videos, etc., before doing the reset.

Problem #9: Truck’s Bluetooth speakers not working properly when connected to  Galaxy S7 edge and other Bluetooth devices are nearby

I have a S7 edge, Gear S2 Watch, Bluetooth headset and when I’m in my work truck, I connect to a Bluetooth audio device that plugs into my truck’s AUX port. With all devices connected, the audio coming from the trucks speakers is of very poor quality until I disconnect my headset and watch so that my phone is only connected to the Bluetooth aux device. I thought that Bluetooth devices wouldn’t interfere with one another. Any help to fix this issue would be appreciated. My truck is a 2008 Toyota Tundra, no GPS, no satellite radio. — Dave

Solution: Hi Dave. In general, almost all of the latest Bluetooth gadgets are equipped with a system that prevents interference from other Bluetooth devices, even when they’re using the same frequencies. Interference from other Bluetooth devices usually result to disconnection or random drops in connection so if you’re experiencing any of these two, you have no other choice but to turn off the problematic device. Since you’ve pretty much isolated the issue yourself, the problem most probably lies on your truck’s Bluetooth speakers. Contact the maker of the speakers and see if there’s any way to minimize interference when other Bluetooth devices are operating in range.

Problem #10: Galaxy S7 stops reading MP3 files after an update

March 30, 2017 came a new update for my phone so I plugged it in and let it run its course. When it finished I realized that none of the mp3 files on my SD card worked saying “Sorry, this player does not support this type of audio file.” The photos on my SD card were also blank, yet all the files showed they were still there with their respective sizes. I’ve deleted and downloaded the same app, a new app, tried opening the files on another S7, restarted the phone (once with and once without the card inside), moved them to the phone and back, moved them to Google drive and back, and all with the same result. Nothing supports the files and shows blank pictures. I’m confused as to why the update even touched anything on the encrypted SD card, much less why it did what it did. What should I do? — Felix

Solution: Hi Felix. The latest Android update may have caused a glitch with the operating system or other apps that reads the SD card. We haven’t heard of any such glitch but anything can happen when there are millions of possible points of failure in a complicated ecosystem as Android. Try wiping the cache partition first to see if that will change anything. Here’s how:

  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.

If refreshing the system cache won’t help at all, booting to safe mode might. Safe mode blocks apps other than the ones that came preinstalled. If one of your installed apps is causing the problem, the issue should not occur while safe mode is on.

  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.

Should the issue remains after doing the two procedures above, don’t hesitate to factory reset your phone. All these three (wiping the cache partition, observing in safe mode, and factory reset) are meant to address general post-update issues but they can also be performed if you encounter a particular problem. If the issue remains, that’s can be an indication that of a possible firmware glitch or poor firmware coding. This means that it’s a bug due to inefficient coding that was not noticed by the developer. If you updated your phone by air (OTA), you should contact your carrier for a solution. Bugs due to poor coding don’t have immediate solutions and it may take some time before a developer can come up with a fix.

 


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