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Galaxy S6 overheating and Back button not working, other issues

Here’s another list of #GalaxyS7 issues for today. Although the Galaxy S7 is an excellent hardware in almost all respects as compared with its current crop of rivals, the six topics below is another proof that it’s just as frustrating using it if it suffers from problems. We hope that our solutions in this post can help our community.

  1. Galaxy S6 cannot send SMS
  2. Galaxy S6 home screen has persistent Facebook and Messenger icon
  3. Galaxy S6 not receiving some SMS from O2 network
  4. Galaxy S6 edge plus sync issue fixed after installing an update
  5. Galaxy S6 overheating and Back button not working
  6. Galaxy S6 edge won’t charge and 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 S6 cannot send SMS

I am traveling for work and have had message send errors since landing here. After landing my phone also took an update. Now let me preface this with prior to leaving for work I was having issues with sending messages on the LTE network. I downloaded an LTE switch and was not having issues on the 4G network. WCDMA only to be exact.

Since landing in Colorado it has been across the board. After combing your forums I have tried the following to no avail:

  • Factory reset my phone, this fixed it temporarily but not for long.
  • Thinking it may be a specific app I have tried starting my phone in safe mode. I’ve attempted to change the app, nothing.
  • I’ve tried changing the message center number. No go.

I’m banging my head against a wall over here. I am now able to make calls, but still no messaging capability. This was also affecting my data connection for a while as well but that seems to have been halted.

I also have turned off the enhanced LTE services. Tell me I’m not covering all my bases and you have an answer for me. Thanks for any help in advance. — Mike

Solution: Hi Mike. Services for voice calls and SMS are supposed to go hand-in-hand, which means that if you can do one, the other should work as well. Since that’s not happening in your case, there may be an issue with your phone, probably with the messaging in particular. That factory reset did fix the issue initially may be an indicator that a bug or setting may have changed something in the system afterwards. If you’re using a stock messaging app (Samsung’s Messages app), try to wipe it’s cache and data to see if that will make a difference. 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.

As you can see, the above steps are meant to address possible issue with a particular app only. Tapping on the Clear Data button is the virtual equivalent of uninstalling and re-installing the targeted app. This is an effective solution if the cause of the problem is on the said app itself. However, if the issue lies somewhere else, the steps above may not help at all. Remember, wiping the cache and data can be done on whatever messaging app you’re using so use it accordingly.

If the issue continues after wiping the messaging app’s cache and data, the next troubleshooting step you want to do is to use another app. This will help you determine if the current messaging app is buggy or not. There are many paid and free messaging apps in the Play Store so try to use as many as possible.

If nothing changes still, contact your wireless carrier and ask them for direct support.

Problem #2: Galaxy S6 home screen has persistent Facebook and Messenger icon

So I just recently got the Galaxy S6 and at the top of my screen you can faintly see what looks to be like Facebook. I can see a messenger icon and the bar that shows your feed and the search etc. And I can always see it like behind whatever app I’m on and even my home screen. It’s behind everything and I’ve tried to delete Facebook because I don’t even use it anyways and I’ve force stopped the app I’ve disabled the app and nothing so are has taken it off of my screen. The phone was bought off of another person that was selling hers so when I got it I did a factory reset on the phone and her phone number had already been taken off of the phone. So it should have been wiped clean and by all means the phone has been acting that way but I can’t understand why it looks like Facebook is always behind my screen. The phone was a gift for my birthday and I don’t want to seem ungrateful because I’m really happy I got it. But when it comes to stuff like this I feel like there’s got this one be a way to fix it and it’s driving me crazy to just always have it there and Would just really like this to be taken care of if there’s anyway I can. — Abbey

Solution: Hi Abbey. We don’t know what exactly you mean but we suggest that you check all settings that can change the appearance of the screen. These settings include:

  • wallpaper
  • themes
  • home screen, and even
  • lock screen and security.

Any of them can modify how the display look so make sure that you play with each one and change the setting that you don’t want accordingly.

Problem #3: Galaxy S6 not receiving some SMS from O2 network

Hi. For the last 3 months, i have been randomly not receiving text messages from the O2 network. Doesn’t seem to be any other network that there is an issue with. I can receive 2/10 or 4/10 or 0/10 etc., all sent on the same day. There seems to be no pattern to it. I have contacted 02 who have said there is not a problem with their network and they stated that if there was, then I wouldn’t receive any that were sent to me. I have contacted Vodafone who have stated the same. No one seems to have an answer. Also, notifications for Ebay, emails, other apps seem to sometimes come through and then sometimes don’t. HELP! — Corinne

Solution: Hi Corinne. Most of the time, an intermittent issue like this is caused by service interruptions or problems but that doesn’t mean you can’t troubleshoot the phone itself. There’s still a chance that a bug, setting, or interruption can be caused by factors that lie on the phone. The relevant basic phone troubleshooting  that you must do should include:

  • wiping the cache partition
  • booting to safe mode
  • wiping the messaging app’s cache and data, and
  • factory reset

Wipe the cache partition. This is a maintenance step that can be done whether or not you’re experiencing issues. This is to ensure that the phone’s system cache is updated all the time. A corrupted system cache can sometimes lead to erratic app behaviors. Wiping the cache partition may or may not lead to a solution. Here’s how it’s done:

  1. Turn off your Samsung Galaxy S6.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key.
  3. When the Samsung Galaxy S6 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.

Boot to safe mode. Booting to safe mode is not a solution in itself but rather a means to knowing if a third party application is causing the problem. There may be a third party app or another messaging app that prevents some messages from being received. That said, make sure that you observe how messaging on the phone works for at least a couple of days while safe mode is enabled. If the problem won’t occur while the phone is in safe mode, that’s clear indication of a third party app causing the problem. Here are the steps on how to boot to safe mode:

  • Turn your Galaxy S6 off.
  • Press and hold the Power button.
  • Once the ‘Samsung Galaxy S6’ logo appears, release the Power key and immediately press and hold the Volume Down button.
  • Continue holding the button until the phone finishes rebooting.
  • Once you see the text “Safe mode” at the bottom left corner of the screen, release the Volume Down button.

Delete messaging app’s cache and data. The problem may lie on the current messaging app. To fix it, you must consider deleting its cache and data. Keep in mind that tapping on Clear Data button will delete all your SMS and MMS. If you want to keep some important conversation threads, make sure that you back them up before proceeding. Here are the steps on how to delete an app’s cache and data:

  • Open the Settings menu either through your notification shade (drop-down) or through the Settings app in your app drawer.
  • Navigate down to “Apps”. This may be renamed to something like Applications or Application Manager in OEM skinned versions of Android 6.0.
  • Once in there, click on an application.
  • 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.
  • You should now clearly see the Clear Data and Clear Cache buttons for the application.

Perform a factory reset. Wiping your phone clean via factory reset is a necessity in your case. You need to revert all software settings back to their known working state to see if a software bug is to blame. Like in safe mode, you must observe how messaging works after you do it. Do not install anything right after a factory reset. Wait for a full 24 or 48 hours before installing any update or app. This way, the phone’s software is clean and there’s no possible third party app or service that can interrupt the normal functions. If the issue remains during the observation stage, the cause of the problem can be due to a network issue or sender issue. If possible, try to call the contacts you’re not getting SMS from to confirm that they have indeed sent something to you.

As a reference, here are the steps on how to factory reset your S6. again, make sure to back your files up before you proceed.

  • Turn off your Samsung Galaxy S6.
  • Press and hold the Volume Up, Home and Power keys together.
  • When the device powers on and displays ‘Power on logo’, release all keys and the Android icon will appear on the screen.
  • Wait until the Android Recovery Screen appears after about 30 seconds.
  • Using the Volume Down key, highlight the option, ‘wipe data/factory reset’ and press the Power key to select it.
  • Press the Volume Down button again until the option ‘Yes — delete all user data’ is highlighted and then press the Power key to select it.
  • After the reset is complete, highlight ‘Reboot system now’ and hit the Power key to restart the phone.

Insert your SIM to another phone. If you are in a GSM network, insert your SIM card to another phone and see if the problem continues. If it does, work with your carrier to solve the problem. We know you already contacted them but if the same issue also happens on a second phone, that’s proof that their system is not forwarding some SMS sent to your number. That’s a technical problem that only your carrier can fix.

Problem #4: Galaxy S6 edge plus sync issue fixed after installing an update

Re: sharing of source of failure to sync Galaxy S6 edge plus. While this may be obvious to IT pros, it wasn’t to a long time user with no history of problems during 14 months of owning my S6 edge plus — make sure you’ve installed to most recent Android update. I postponed the installation for a day, as I’ve done in the past with no ramifications. Having forgot that I did so, my MS server email account wasn’t syncing, although it did allow me to send and receive with no problems. I just couldn’t flag messages, and, although I could manually mark item as read, it wouldn’t automatically do so after I did in fact read them. So, I happen upon your site, attempted to follow the first suggestion and was again reminded of the pending update. After installing the update, all features were restored and working without incident. Odd, this particular update only affected MS server accounts, as my Gmail & Yahoo email accounts had no problems and synced just fine. — Michelle

Solution: Hi Michelle. We’re glad to know that your issue was fixed by simply installing a system update. As we’ve been hammering in almost all our posts, updates are released for a reason. Sometimes, updates include patches that can fix known bugs, while others are there to improve things under the hood. In general, it’s always good to install them rather than not. To minimize bugs in the system, make sure that you only install apps from trusted or reputable developers. A lot of Android problems are caused by having incompatible and malicious apps in the system. Stick to official or mainstream apps because they tend to receive updates more often.

Problem #5: Galaxy S6 overheating and Back button not working

Hi. I bought a Samsung Galaxy S6 via Amazon in June, 2016. Condition was: New. Now suddenly it got overheated and won’t work correctly anymore. Partly of the phone has been damaged, the return key doesn’t work. I sent an email for Amazon, but they told me to contact Samsung first. I did that and I did all the steps they told me to do, but it didn’t help. My phone still doesn’t work. It goes on but becomes very hot quickly. And the battery runs very quickly. I was a little bit angry and frustrated because I bought the phone for $429 and now after 8 months it is damaged.

Is there any way that you can help me? And if you cannot help me, can you send me a summary of our correspondence so they can work on another solution for me? Thank you in advance. With regards. — Esterline

Solution: Hi Esterline. Overheating and damaged button are hardware malfunction that cannot be fixed by a software hack. The phone needs repair, not some software troubleshooting. If you want to permanently fix the issue, you must either send the phone to Samsung, or have an independent service center check it. Repair requires a number of things including a trained technician to physically check the motherboard and other components, as well as necessary repair kits that only a service center can provide. It may sound unfair but repair is actually the effective way to solve your phone problem, unless of course you can have the phone replaced by Amazon.

Problem #6: Galaxy S6 edge won’t charge and won’t turn on

Hello. Last night, I was charging my Galaxy S6 Edge as I always do. The phone was charging just fine. However this morning I woke up to my phone being dead. I went to make sure the cord was still plugged in and it was, as was the charger. The charger was plugged into a surge protector, and I noticed the surge protector had been switched off. I’m not sure if a shirt or something had fallen on in, switching protector off, or if it was something else. Now whenever I plug my phone into a charger, the charge symbol will show up, but then it will disappear. It will not show it is charging. I have tried 3 cords, 1 not a fast charger, and 3 different outlets, none of which are a surge protector. My phone has installed 3 updates in the past month and a half, but i do not believe this is the source of the problem.

Help me Obi-Wan Kenobi! You’re my only hope! — Jonathan

Solution: Hi Jonathan. A lot of phones suffering from charging issues have defective or damaged charging ports. Try to use some form of magnification and inspect the charging port for dirt or bent pin. If you can see that a pin is out of place, or if there’s lint, it may be the reason why the phone won’t charge. If everything looks normal insider the port, you then need to check whether or not you can boot the phone to other modes. Only then can do some software troubleshooting. If the phone remains unresponsive and won’t boot at all, you must send it in so the hardware can be checked.

For reference, here are the steps on how to boot the phone to alternate modes:

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:

  • Charge the phone for at least 30 minutes.
  • Press and then hold the Home and Volume DOWN keys, then press and hold the Power key.
  • When the Samsung Galaxy S7 shows on the screen, release the Power key but continue holding the Home and Volume DOWN keys.
  • Wait until the Download screen appears.
  • 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.
  • Use Google to look for a guide on how to do it.

Boot in safe mode:

  • Charge the phone for at least 30 minutes.
  • Press and hold the Power button.
  • Once the ‘Samsung Galaxy S7’ logo appears, release the Power key and immediately press and hold the Volume Down button.
  • Continue holding the button until the phone finishes rebooting.
  • Once you see the text “Safe mode” at the bottom left corner of the screen, release the Volume Down button.
  • 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.

 


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