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Galaxy S6 has no internet access when connected to wifi, won’t send SMS, other issues

Hello #GalaxyS6 users! Welcome to another S6 article that answers some questions sent our way by some of our readers. Below are the specific topics we discuss for you:

  1. Galaxy S6 edge stuck in boot loop
  2. Galaxy S6 won’t send SMS when wifi is ON
  3. Galaxy S6 edge randomly rebooting, won’t turn on
  4. Galaxy S6 won’t install new system update
  5. MMS on Galaxy S6 not working properly on T-Mobile network
  6. Galaxy S6 froze and stops turning on
  7. Galaxy S6 has no internet access when connected to wifi

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 S6 edge stuck in boot loop

Good Evening. I am writing because my Samsung Galaxy S6 edge continues to reboot in a boot loop. I have tried wiping the cache partition and it still does not help at all. It will turn on and boot up to the home screen for about 5 seconds and then shut off/reboot and will continue to do that.

I also booted it in safe mode to see if that would help but it didn’t. Now it is updating the OS, and even while it is updating (I don’t know how i got it to update) it continues to go through a boot loop even while updating so it doesn’t finish updating. If you can provide me with any suggestions/advice that would be greatly appreciated. Thank you so much for your time and attention to this email. Warm Regards. — Abby

Solution: Hi Abby. A huge number of boot loop issues are usually the result of a failed flashing procedure. If you tried to flash (install) a ROM or custom Recovery software before encountering this problem, you may only have yourself to blame. To fix the issue, you should try flash the stock bootloader first and proceed from there.

Flashing a bootloader is generally the same when you flash a stock firmware but the exact steps can vary by phone model. Below are the general steps on what you need to do. Keep in mind that the steps provided here are only for illustration purposes only. The exact steps for your phone may take a variation. It’s your responsibility to find a good guide for your phone model.

  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.

If you never tried to flash your phone before experiencing the issue, you should boot the phone to Recovery mode again and do a master reset.

Problem #2: Galaxy S6 won’t send SMS when wifi is ON

Hi there, I’m having a similar issue to #4 in this older post (http://thedroidguy.com/2015/09/galaxy-s6-cant-send-text-when-wi-fi-is-on-other-sms-and-mms-problems-1048854#comments) but I didn’t see any solution – also note, it says it sounds like an isolated issue, but commenters on the post experience the problem as well. Just wanted to provide some background now I’ll describe my issue in detail.

I had a Moto x (1st Gen) unlocked, and a few weeks ago my texting would fail to send almost constantly. I finally narrowed it down to when the wifi was on, text messages would fail. Please note, cellular service and data would still be on during this time. If I turned off the wifi, mostly the text messages would still fail. A soft reset, with wifi turned off would usually allow me to resend the text successfully. But after a few weeks of frustrating failed texts (and suspicions that maybe I wasn’t receiving all my calls/voicemail alerts) I decided perhaps the phone was just getting too old (had it for 3 years) and it was time for an upgrade. Also note, I don’t recall downloading any new or unusual apps during this time period.

So yesterday, I picked up a new (brand new out of the box) Galaxy S6, unlocked. Everything seemed to work fine, sent a few texts… good start. Today, after connecting to my office wifi, failed text messages once again. Really frustrating. However, at least with this new phone it seems I can simply turn off the wifi and resend successfully instead of needing to soft reset the phone. Please remember, I’m not turning off any cellular data while the wifi is on. Any idea why this is happening or how it can be fixed? Could it be an issue with the SIM card? Appreciate any help!!  — Leashchild

Solution: Hi Leashchild. This issue has been around but unfortunately, we are yet to collect enough information from all these reports to see any pattern in identifying the cause. We understand there’s been a number of comments in the post you mention but they don’t provide details to allow us to see a common denominator. We do think that it may be narrowed down to the same carrier (T-Mobile) so if you already tried our suggestions of wiping app cache and data and factory reset before, make sure to let your carrier help you fix it. They are in a better position to isolate the possible causes than us anyway.

Problem #3: Galaxy S6 edge randomly rebooting, won’t turn on

Hey! So I have a S6 edge that was working fine and then it started to turn itself off the odd time. Then it started to turn itself off more and more often. Eventually it just shut off barely charged and it didn’t matter what you did. Now, you can not charge the phone nor can you turn it on. When you plug it in it just comes up with a screen that reads “an error has occurred while updating the device software use the emergency recovery function in the smart switch PC software” however when you plug it in to the computer, smart switch says the phone is not compatible. Let me know your thoughts. — Brian

Solution: Hi Brian. A phone that randomly cuts out, won’t charge, and won’t turn on is definitely problematic. Unfortunately, the problem in this case is not software in nature, which is usually easy to fix, but hardware related. The only software troubleshooting that you can do right now is master reset. If nothing changes after you do that, if you can actually do it, given the fact that you said the phone is not even turning on, you can bet bad hardware is to blame. It can be a damaged battery, malfunctioning charging port, or an unknown logic board issue. To get to the bottom of the issue, you must let a professional check the hardware. If the phone is still in warranty, send it to Samsung and see if you can have it replaced instead.

For reference, here are the steps on how to factory reset your Galaxy S6:

  1. Create a backup of your important files such as photos, videos, etc. (if still possible at all).
  2. Turn off your Samsung Galaxy S6 Edge.
  3. Press and hold the Volume Up, Home and Power keys together.
  4. When the device powers on and displays ‘Power on logo’, release all keys and the Android icon will appear on the screen.
  5. Wait until the Android Recovery Screen appears after about 30 seconds.
  6. Using the Volume Down key, highlight the option, ‘wipe data/factory reset’ and press the Power key to select it.
  7. Press the Vol Down button again until the option ‘Yes — delete all user data’ is highlighted and then press the Power key to select it.
  8. After the reset is complete, highlight ‘Reboot system now’ and hit the Power key to restart the phone.

Problem #4: Galaxy S6 won’t install new system update

My phone is telling me that a software update is available. It lets me download it but when i install it gets to 32% then it shows the broken Android logo and then restarts. A message then appears telling me the firmware failed to install and to contact Samsung. I have tried deleting the cache partition, i have tried a factory reset and still the problem is the same — gets to 32% of the install and then goes off. I’ve tried to install using Kies. I don’t know what else to do.

Also, my wifi won’t remember passwords. I’ve tried everything to solve that too with no success. Any help would be greatly received. Thanks in advance. — Becki1980

Solution: Hi Becki1980. If your phone is not rooted and does not run unofficial software, there must be software glitch preventing the installation of a software update. If your phone is rooted or runs a non-Samsung firmware, you must contact the developer of said software for assistance. There may be a software-specific setting that locks the system out from being updated. This is not necessarily bad. Some software developers prevents a system from installing updates not coming from them to prevent bricking the device so you should talk to them for answers. There are hundreds of custom software for the Galaxy S6 out there so it’s beyond us to know exactly if this is the case in your device.

If your phone has been running stock or official software all along and it’s never been rooted, there may be an unknown software bug that blocks installation of a system update. The thing is, there’s no way to know where this software glitch may be coming from so you must do further troubleshooting to narrow down possible causes. The interesting thing though is the fact that such a bug should have been eliminated following a factory reset. If you re-installed apps and updates after a factory reset before attempting to install the new update, we suggest that you do another round of factory reset. Make sure that this time, you try to install the update first before re-installing apps.

Also, be sure to do a master reset instead of factory reset via Settings.

  1. Create a backup of your important files such as photos, videos, etc. (if still possible at all).
  2. Turn off your Samsung Galaxy S6 Edge.
  3. Press and hold the Volume Up, Home and Power keys together.
  4. When the device powers on and displays ‘Power on logo’, release all keys and the Android icon will appear on the screen.
  5. Wait until the Android Recovery Screen appears after about 30 seconds.
  6. Using the Volume Down key, highlight the option, ‘wipe data/factory reset’ and press the Power key to select it.
  7. Press the Vol Down button again until the option ‘Yes — delete all user data’ is highlighted and then press the Power key to select it.
  8. After the reset is complete, highlight ‘Reboot system now’ and hit the Power key to restart the phone.

If your phone continues to fail to install the OTA (over-the-air) update, let your carrier know so they can help you.

Problem #5: MMS on Galaxy S6 not working properly on T-Mobile network

I have a Samsung Galaxy s6. I switched to T-mobile about 3 weeks ago, and the problem seemed to start then, but I can’t be for certain. When I am texting a person with simple SMS, it works fine. When MMS becomes involved, such as sending/receiving an image, it goes crazy. After the image is received, if I reply, my reply is sent to the recipient in our original thread. But then I also receive my own text within a group text that consists of me and the recipient. I have tried everything including blocking my own number, but nothing has worked. I also wiped the cache partition after reading that it might solve the problem. I contacted T-Mobile and they said it could be a problem with the Samsung messenger app; however, I switched to Google Hangouts, and it did the same thing. — Devinlhardin

Solution: Hi Devinlhardin. The general rule when it comes to SMS, MMS, mobile date, and voice calling issues is to always get support from your carrier. Your issue is definitely not a Samsung issue as it happens when using a different messaging app. We will recommend though that you still try to factory reset the device before contacting them again.

This does not also occur in all Samsung S6 devices so it can only be related to your network. There may be some problems with their computers or servers so it’s for them to fix, not us. After all, you’re paying them to have a working service in the first place. It’s their responsibility to fix the issue whether it’s due to a technical glitch on their end, or whether it’s the Samsung built Galaxy S6 devices.

Problem #6: Galaxy S6 froze and stops turning on

My Samsung Galaxy S6 was working perfectly fine and was in mint condition. However I saw my battery getting low so I plugged it in to charge. After a couple hours of charging I wanted to check my messages and tried to turn on my phone to do so and it was frozen. The home screen wouldn’t turn on and the screen was black even though I was hitting the power button to turn it on. I saw the blue light flashing like it normally does on sleep mode which means I had a message so I thought there was just a glitch and it froze. I held the power button and the home screen button down together at the same time and it still didn’t run on. I plugged it into my computer and nothing happened. It won’t turn on and I tried everything. I followed all your steps on your forum but nothing is working. Can you please help me? — Karissa

Solution: Hi Karissa. There are a few things that you must check to identify where the problem lies.

The first one is to see if it’s related to your charger. Try using another known, working Samsung charger and see if will charge your device. Try to avoid using third party USB cable or charger during this time. The current charger may not be working properly at this time.

If another Samsung charger won’t power the phone back on, you must then do an ocular inspection of the charging port. Try to use some form of magnification so you’ll be able to see clearly the insides of the charging port. Sometimes, lint or a bent pin can prevent good charging so if there’s something out of place in there, do your best to remove it. If you think the port is dirty, or if a lint is blocking something, try to use a hair blower to wipe it out. There’s only so much that you can do for a bent pin though so if you think that’s where the problem lies, send the phone to Samsung so the port can be replaced.

If the charging port looks normal and you’ve already tried using another charger but the phone remains unresponsive, consider booting the phone to alternate boot modes so you can do follow up troubleshooting. Here are the 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 S6 has no internet access when connected to wifi

My daughter has a Samsung Galaxy S6 and has had it since just before Christmas. When she first got it, everything was fine — she could connect to the internet, download apps, etc… Her phone is not hooked up to a phone plan. She just uses it when it is connected to the wi-fi like an iPod. Now, it won’t connect to the internet even though it shows that it is connected. She can’t use the apps (like Instagram won’t update or post) or download new ones. We have done a factory reset, removed the battery, and it still persists. Any ideas? — Nicole

Solution: Hi Nicole. Being connected to a wifi network does not necessarily mean a device can also connect to the internet. The wifi’s administrator may allow access to the local network (phone to router) but not to the internet (phone to router to internet). In other words, there may be restriction in the router set by the administrator to block your daughter’s phone from connecting to the internet. To see if that’s the case, try to connect the phone to another known working wifi network and see if internet works on the device. If it does, that’s proof that there’s no wifi problem on the device and that your home wifi is restricting internet access.

If you are not the administrator of your home wifi, contact your internet service provider so they can help you reset the settings or remove the restriction.

If you are connecting to someone else’s wifi, talk to the administrator so the restriction will be lifted.

 


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