Samsung Galaxy S7 troubleshooting

Samsung Galaxy S7 troubleshooting

Problem:Solution:
Phone freezes/operation is unstable.Turn the phone on again. If you are unable to turn the phone off, remove and replace the Battery, and then turn the phone on again. Data that was being edited is erased after your phone is powered on again
Operation is unstable after a new application was installedThe newly installed application may be the cause. Uninstall the application in Safe mode. To turn the phone on in Safe mode:
- Press and hold the Power/Lock key > touch and hold Power off, read the disclaimer for safe mode, and then tap OK.
1. After turning the phone on in Safe mode, "Safe Mode" appears at lower left.
2. After restarting in Safe mode, your phone can be powered on as usual.
3. Before turning the phone on in Safe mode, it is recommended that you back up important data.
4. By powering the phone on in Safe mode, added widgets may be deleted
Cannot use phone, mail, or InternetCheck whether you are where signal is weak or out of service area
Power the phone on again
Is the phone in Airplane mode? To check that Airplane mode is canceled:
- From home, tap Apps > Settings > Airplane mode
Is data communication disabled? To check that data communication is enabled:
- From home, tap Apps > Settings > Data usage > Mobile data
Is a disabled access point set? To reset to initial settings:
- From home, tap Apps > Settings > Mobile networks > Access Point Names > More > Reset to default
Battery level goes down quicklyAre you where signal is weak or have been out of service area for a long period? Calling where signal is weak or being out of service area uses a lot of Battery
Cannot install applicationsApplications cannot be installed with only a little free space on the phone or SD card. Applications not supported by your phone cannot be installed
Cannot unlock screenPower the phone on again. If you are unable to turn the phone off, remove and replace the Battery, and then power the phone on again. Data that was being edited is erased after the phone is powered on again

Samsung Galaxy S7 troubleshooting guide

Problem:Solution:
Audio distorting or crackling- If you’re trying to play music from the Galaxy S7 speakers after dunking it in some water, your speakers may need to dry out first. Yes, the Galaxy S7 is water resistant, but playing audio through wet speakers will distort the audio.
- Double check the speaker grilles after your phone is dried out to see if there’s any debris that could be affecting the audio.
- Last but not least, there could be a software bug causing audio distortions with your Galaxy S7. Head over to Settings > Sounds and vibration and scroll down to Sound quality and effects. Here you can try toggling the UHQ Upscaler on and off to see if that resets the audio.
While you’re here, you can choose Adapt sound, which helps create a custom equalizer for your headphones for better sounding audio.
microSD card pop-up notificationThe easiest remedy to the problem is to perform a system update to see if the annoying bug is fixed. Some people have reported the notification going away after performing a software update.
S7 green screen of deathIf your screen is turning green, the display is defective and needs to be replaced. Contact Samsung as soon as possible to start the repair process. Some users have found that hard resetting the phone by pressing and holding the Power and Volume down buttons can fix the green screen issue, but only temporarily.
Another workaround you can try is to go into the AMOLED settings and try a different mode. Go into Settings > Display > Screen mode and select AMOLED Photo or Basic to see if your problem is solved. This also sometimes works if you have strange green or purple bands showing up on your screen.
Unresponsive phone with black screenA temporary fix is to perform a hard reboot, which involves pressing and holding the Power and Volume down buttons simultaneously for 10 seconds. This will force the phone to reboot. If a hard reboot doesn’t work, you can try starting your Galaxy S7 in safe mode.
how to get into the Samsung Galaxy S7 safe mode: Hold the Power button until you see the Samsung Galaxy logo.
Simultaneously release the Power button and press and hold the Volume down key.
Keep the Volume down key pressed until the device fully boots. You’ll know you’re in Safe Mode when you see “Safe Mode” in the bottom left corner of your screen.
If your phone doesn’t experience the dreaded black screen again, it means one of your downloaded apps is causing the issue. Retrace your steps to see if you recently installed an app that could be causing the issue and uninstall it. It’s also worth checking for updated versions of your installed apps to see if the bug has been patched.
As a last resort, you can try to factory resetting your phone from the recovery menu. Note that a factory reset will wipe your phone of all data, so make sure to back up your photos, documents and music before proceeding.
how to perform a factory reset from the Galaxy S7’s recovery menu:Turn off your phone.
Press and hold the Home and Volume up keys and then press and hold the Power button.
Release the Power button when you see the Galaxy S7 logo.
Once you see the Android logo, you can release all buttons. Your phone is now in the emergency recovery mode where you can select Factory Reset using the Volume up and down buttons. Once you have Factory Reset highlighted, press the Power button to start the process.
Wi-Fi keeps disconnectingThis frustrating bug is tough to solve, but some users have had luck disabling Bluetooth in order to get a more stable Wi-Fi signal. This isn’t an ideal solution and it’s one that Samsung needs to address in a software update. Be sure to check Settings > Software update to see if there’s an update available.
You can also try resetting your network settings. To do this, head over to Settings > General Management > Reset > Reset network settings > Reset Settings.
If the problem still persists, check if your router has a firmware update. There are different methods of updating your router’s firmware so consult your router’s manual to see how to do this.
Camera crashesThe simplest solution is to simply reboot the phone to see if the error goes away. If rebooting doesn’t get rid of the bug, try clearing the cache of the camera app. Do this by going to Settings > Applications > Application manager and find the Camera app. Then tap Storage and you’ll see options to Clear Data or Clear Cache. Tap on Clear Cache to see if this fixes the camera crashing.
If the problems persist, there’s one last thing you can try. Some users have reported that Smart Stay, the Samsung feature that uses the front-facing camera to see if you’re still looking at the screen, is conflicting with the rear camera. You can try disabling Smart Stay by heading over to Settings > Display and turn off Smart Stay.
Short battery lifeThe first thing you should do is head over to Settings > Device Management > Battery. Here you can see a graph of your battery consumption as well as a list of apps and services that consume the most power.
Your phone’s screen should draw the most power throughout the day, so if you see a specific app draining more battery than the screen there could be a bug with the app. Try uninstalling the power-hungry app to see if your battery life improves.
The next thing you can do to maximize your battery life is to disable some of the services Samsung enables by default like the always-on screen. Head over to Settings > Display and disable Always-on display.
Another thing you can try is turning down your screen brightness and setting a shorter display timeout. Head over to Settings > Display to turn down your default brightness and set your screen timeout for 1 minute or 30 seconds.
Alarm doesn’t ringOne reason for this might be Android’s overly aggressive battery management called Doze.
To check to see if Doze is the cause of your problems, try using Samsung’s default clock app to see if the alarms ring. If they do, then your third-party application is likely being disabled by Android Doze.
To turn off the Doze feature, head over to Settings > Device Maintenance > Battery > Battery Usage > More > Optimize battery usage, then find your alarm app and tell Android not to optimize battery life for it.
Power and volume buttons not workingThis is a pretty serious issue but a simple reboot usually solves any unresponsive buttons. You can force your Samsung Galaxy S7 and S7 Edge to reboot by holding down the Power and Home buttons. If this doesn’t work for you, the issue is more serious and your phone should be sent back to Samsung.
OverheatingIf your phone is getting too hot to touch while it’s charging, it could be because of the built-in fast charging technology.
While fast charging is great for getting as much juice as possible in a short period of time, it does heat up the phone. If you’re not in a hurry for battery life, you can disable quick charging by going to Settings > Device Maintenance > Battery > Advanced Settings and turn off Fast Cable Charging.
If your phone is heating up even when you’re not charging, there may be an app draining your battery in the background. You can see if there are any power-hungry apps in Settings > Device Maintenance > Battery.
You can also optimize your apps for the best battery life by going to Settings > Device Maintenance > Battery > Battery Usage > More > Optimize battery usage. Select All Apps and your phone should calibrate itself for better battery life.
As a last resort, you can wipe the Galaxy S7 cache partition in recovery mode:
Turn off your phone.
Press and hold the Home and Volume up keys and then press and hold the Power button.
Release the Power button when you see the Galaxy S7 logo.
Once you see the Android logo, you can release all buttons. Your phone is now in the recovery mode where you can select Wipe Cache Partition using the Volume up and down buttons. Once you have Wipe Cache Partition highlighted, press the Power button to start the process.
Slow performanceOne of the biggest reasons for slowdowns is Samsung’s TouchWiz skin, which includes features like Upday/Flipboard Briefing. While it’s nice to get a live news feed on your home screen all the time, it does take up some unnecessary processing power.
To disable Flipboard Briefing, press and hold on any blank space on your home screen or simply use the pinch gesture. Navigate to the Flipboard Briefing screen, which is typically located at the far left. Deselect it by unchecking the checkbox up top and Flipboard will disappear from your home screen.
To make your phone feel even faster, you can speed up the system animations or disable them altogether. To do this, head over to Settings > About Device > Software info and then tap on the Build Number 7 times to unlock the developer menu.
Back in the Settings app, you’ll find a new option at the bottom called Developer options. Scroll all the way down to the Drawing section where you’ll see options to change the Window, Transition and Animator duration scales. Set them to “.5x” or “Animation off” to save a few precious milliseconds when navigating around your phone.