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Galaxy S7 restarts by itself when wifi is used, can’t set up email accounts after an update, other issues

Welcome to another #GalaxyS7 post. We typically don’t publish more than 10 topics per post but since we’re been getting more and more reports of S7 issues lately, we bring you 12 issues in this one today. We hope this becomes another helpful reference for our Android community.

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.

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.

Below are specific topics we’re bringing for you today:

Problem 1: Galaxy S7 edge stuck in loading screen after an update

I have a Galaxy S7 edge and the Nougat update was pestering me for about 2 weeks to install and I couldn’t delete it from my task bar. So I finally started it and my phone has been stuck restarting since. It will restart until the battery runs out and then I can recharge it and it will freeze in the restart process again and I can do nothing till the battery is dead again. I’ve tried to start it in safe mode or even to do a hard rebooting but it won’t respond to the buttons. — Colin

Solution: Hi Colin. We don’t think you’ve provided us with enough relevant information to help us identify the cause why your device freezes and fails to boot normally so the only suggestion we have for you is to try restarting it to Odin or Download mode first. If you can do that, there’s a chance that you may be able to manually install (flash) the previous firmware version, or the most recent one, Android Nougat. If your device remains stuck and won’t respond to any hardware button combination at all, you have no other choice but to send it in.

For reference, here are the steps to get your phone going:

How to soft reset (simulated “battery pull”) a Galaxy S7

  1. Press and hold the Power and Volume Down buttons until the Maintenance Boot Mode screen appears (approx. 10 seconds).
  2. From the Maintenance Boot Mode screen, select Power down. You can use the Volume buttons to select items.

How to boot a Galaxy S7 to Download/Odin 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 logo 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 flash a firmware to your device.

Problem 2: Galaxy S7 restarts by itself when wifi is used, won’t receive cellular signal until it restarts

Hi. I’m facing a problem. Whenever i connect to wifi in a public place like hotel or mall my phone would start to restart by itself and it won’t stop. I can’t use my keyboard and i can’t switch the wifi off. That’s even before i log in to connect to the internet.

Another problem is when I’m in no service area and i go to place where should be service my signal doesn’t work till i restart my phone or put it flight mode and back. Thanks. –Dom

Solution: Hi Dom. It looks like your phone can use a factory reset at this time. Both issues you mention appear to be caused by an operating system glitch. Overhauling the software environment with a factory reset may be the only effective solution. If you haven’t tried to do it before, here are the steps:

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

It’s important that you check how your phone’s wireless capabilities work right after a factory reset. Be sure to let the phone run for an hour without any apps installed so you’ll see the difference. If wifi and cellular network function work fine when there are no apps installed, you can then proceed to re-install your apps. If the problem returns once apps are installed, there’s a chance that one of your apps is to blame instead of Android itself. Make sure to uninstall apps one by one until you’ve identified the problematic app.

Problem 3: Galaxy S7 won’t turn on, keeps showing moisture detected error

Got the moisture detected error even though it showed no signs of getting wet. There was no moisture or water detected anywhere in the lifeproof case–and there was nothing around wet. Phone worked fine, even charged on and off with error. Every so often screen would go black and switch to VR setup (which I have never opened before) or the camera. Phone completely died and then would not respond at all on regular charger. Put it on the wireless charger which indicates phone is charging but the phone is unresponsive (like no activity, no lights). Tried all reset and reboot options, phone is acting as if it is dead. I’ve also tried everything as if it was water damaged (rice, trip, etc). I have no idea what operating system I am on, whatever it comes with. — Jenniferpoolehinson

Solution: Hi Jenniferpoolehinson. If your phone won’t turn on at all, the only troubleshooting that you can try is to see if you can power it back on to other modes. If it stays dead, have it checked by a professional. There may be an issue with the battery or motherboard.

Below are the steps to boot a 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 logo 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 logo 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 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 4: Galaxy S7 edge bottom screen shows as white while upper half shows as black

I woke up today and when I tried to turn on my Samsung Galaxy S7 Edge, half of the screen was white and the other half was black. Every time I press the home or power buttons it displays the half white screen and immediately turns off. However, when I double press the home button it displays half of the camera and the other half remains white. I tried pressing the power and volume buttons but it didn’t change a thing. — Tony

Solution: Hi Tony. We think you have a damaged screen. This issue does not happen out of the blue so if there were no obvious reasons why it works erratically such as physical damage or water damage before noticing it, there may be an underlying motherboard failure.

To check if this is due to a software problem (we doubt it though), try to boot the phone to Recovery or Download mode (steps provided above) and see if the screen works normally. If it doesn’t, find a way to have it repaired or replaced.

Problem 5: Galaxy S7 edge SMS keeps getting delayed

Hello. I have been having text messaging issues with my Samsung S7 edge I just purchased. At times I can send and receive messages but most of the time I cannot or they are delayed for hours or days. I have tried everything from restarting, factory reset, changing SIM cards, clearing cache partition, factory reset and even exchanged the entire phone for a new boxed one from my carrier T-Mobile. What gives? I noticed that these messaging issues began with a recent Firmware update that for some reason I cannot avoid with each factory reset/new phone. What should I do a thing this point? Should I just get an entirely new model even though my carrier says that it’s not possible without paying a huge fine? This is so frustrating : /. — Ncduckie

Solution: Hi Ncduckie. If a factory reset did not fix the problem, it’s most likely caused by a network issue or inefficient coding in the firmware. You must work with your carrier to identify the cause. If you’ve done that (simply because the customer service guys on the other end don’t have any clue), you may have to just wait for a new update. Hopefully, a new update will fix the glitch.

In some rare cases, using a non-Samsung or non-carrier provided messaging app fixed a similar issue. Try using another app like Facebook’s Messenger or Google’s Hangouts and see if that will help.

Problem 6: Galaxy S7 camera and flashlight app won’t work

Camera says warning camera failed. And when I try to use the flashlight it says .. unable to turn on Camera is using the light. I have tried all the fixes…. restart, cleared caches, etc. to include a hard reset. Still nothing. When I go to my menu the flashlight icon is lit up … but it is not on on my phone. — Cgconstruction1994

Solution: Hi Cgconstruction1994. We are assuming that you’re having problems with pre-installed camera and flashlight app so your first move is to check if a third party app is causing this problem. Boot the phone to safe mode and see how the camera and flashlight apps work. If they work just fine when on safe mode, that’s a confirmation of our hunch. To boot to safe mode, follow these steps:

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

If you happen to use third party camera app and flashlight app, do another round of factory reset and install them first. Make sure not to install anything else. Then, see how of them work.

Problem 7: Galaxy S7 active sound notifications not working

On my Samsung Galaxy S7 active, all of my notification sounds work except for text messages. I’ve made sure my notification sound is all the way up, notifications are allowed on my messages app (the default for the phone), the “show silently” option isn’t checked, and the messages aren’t muted for any of my contacts. I’ve restarted the phone a million times and I even tried switching notification tones. Is there anything left to try other than a factory reset? — Erynn

Solution: Hi Erynn. Try booting to safe mode to disable third party apps. Once that’s done, send an SMS to yourself and see if sound notification works. If that won’t change anything, do a factory reset.

Problem 8: Galaxy S7 email app disappeared after restart, can’t install update

Hi Guys. Galaxy S7 three months old. Had a few ‘shut-downs’ fixed with the soft reset but during latest “freeze” the unit became very hot to touch. Soft re-set after it cooled down, worked ok but then noticed it had completely removed all my emails and the email settings and program itself. Any way I can get my e-mail back?

Additional issue is repeated software update attempts which fail but I’m told by Samsung this is because I have a UK model being used in Australia. — James

Solution: Hi James. We don’t know what you mean exactly by “it had completely removed all my emails and the email settings and program itself” but if the app itself was uninstalled for some reason, simply re-install it and configure your email account to it again. If you happen to have an issue with a pre-installed email app, do a factory reset (steps provided above).

If your phone was built for a particular carrier in the UK and you’re now using it in an Australian network, you can’t expect to receive over-the-air update for it. If you badly wanted to update your phone, you can do it manually via flashing. You can use Google to find a good guide on how to flash the latest firmware.

Problem 9: Facebook and Snapchat apps don’t have sound notifications on Galaxy S7

I do not get notification SOUNDS from Facebook or Snapchat. I have checked all settings, uninstalled and reinstalled several times. I Googled this issue. A post said to try an older version of FB. I did that and sounds worked for a couple hours then stopped!! One thing I did notice I have to go to account settings and click on sync each time I reinstalled the older version app and it will not sync at all with the newest version of Facebook !! Thank you for any help !! — Tami

Solution: Hi Tami. Please check our suggestion for Erynn above. We assume of course that you know how to change the notification settings for an app under Settings>Notifications.

We don’t know where you get “older” Facebook app versions since you can’t do that in Google Play Store so you should also ensure that your apps are not compromised. Some official copies apps can be booby trapped by third party developers. If you’re fond of getting apps from third party sources outside of Google Play Store, you should be aware that some of those apps may not be safe or can present problems. You should work with the developer of those unofficial apps for solutions.

Problem 10: Galaxy S7 sends duplicate or delayed messages at random

It appears that in using the Message+ app, my phone is sending duplicate texts and the recipient is receiving messages already received hours or even days apart. They are not sending two messages at the same time and it isn’t that the recipient never received the message. They will receive the message when I send it and then will randomly receive the same message days later in a completely unrelated conversation. — Katestefan07

Solution: Hi Katestefan07. Message+ is not a Samsung app so if the usual troubleshooting of wiping its cache and data (steps provided below) and factory reset did not work, there may be an app or network issue behind it. You must do one or all of the following to fix the problem:

  1. switch to a different messaging app,
  2. contact the app developer and ask for assistance, or
  3. work with your carrier to fix a possible network issue.

To wipe 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 or 7.
  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 Cache and Clear Data buttons for the application.

Problem 11: Galaxy S7 keeps getting “Settings has stopped” error

Hi. I have done all the troubleshooting steps you mentioned to fix the “settings has stopped” issue and the lagging. The one fix that worked was to clear the settings data and cache, however, it will only works once and then give me the same error message. Then once i clear it again it works once etc etc etc. I have no idea what else to try and am hoping like hell you can help. I have a Galaxy S7 edge with android version 7.0. I just did the update 3 days ago. Thanks for any help you can provide and look forward to your reply. — Vito

Solution: Hi Vito. If wiping the app’s cache and data did not work, try wiping the cache partition next. If that won’t work either, factory reset the device.

Below are the steps on how to wipe the cache partition:

  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.

Problem 12: Can’t set up email accounts on Galaxy S7 after an update

I purchased a Galaxy S7 a couple of days ago. I set up 3 email accounts, one of which is a work specific one (NHS mail) the other a Gmail and btinternet account. all was straightforward and without problem and functioning correctly. There was a software upgrade to Nougat 7.0, and since this happened I can only access the NHS mail account as I get the message: Unable to set up account: Security policy restricts the use of POP/IMAP email when trying to use the others. I have removed both accounts and tried again to no avail. I have rebooted the phone and tried again, still no luck. Any ideas?? Kind regards. — Sally

Solution: Hi Sally. In Gmail, there’s an option for a user to enable or disable POP and IMAP under Settings. You can access it logging into your Gmail account in your computer and clicking on the gear icon. The POP and IMAP options should be under Forwarding and POP/IMAP section. Make sure that both POP and IMAP are enabled before setting up your Gmail account in your email app again.

We’re not familiar with btinternet email so you have to figure a similar option yourself. Better still, contact the email provider and ask for assistance.

 


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