The Samsung users are facing the issue of their Samsung Galaxy S3 randomly shuts off itself. If the phone is kept charged or if the user is using the phone, it works fine. But, when the Samsung Galaxy S3 is locked, it remains on for 10 minutes and then the phone randomly shuts off itself. No water damage has occurred with the phone. Here are the solutions you can try for Samsung Galaxy S3 randomly shuts off itself.
To factory reset your Samsung S3, go to your phone’s Settings and then go to the Backup and Reset. Now, uncheck automatic restore and factory reset your phone. Before you factory reset your phone, make sure you have backed up your data to prevent any loss. To back up your data, turn on Master Sync. It is the green sync icon when you pull down the notifications tab. Go to your phone’s Settings and then go to General. Next, go to Account and add your Google account. Make sure all sync settings you want are selected.
To fix Samsung Galaxy S3 randomly shuts off itself, clear your phone’s cache. Go to your phone’s Settings and then go to Applications. Under the Application tab, go to Application Manager and tap on the messaging App to clear its cache. Upon confirmation, tap on yes to clear cached data.
Try to change your phone’s battery to resolve the problem. The randomly shutting off issue of the phone can be due to the battery especially if your battery is old. Nowadays, the batteries are relatively inexpensive, so you can easily replace it without having the burden on your pocket.
Disable Strict Mode
Due to the strict mode, there is a red symbol shown on the screen when the phone loads Apps longer than usual or when it boots. Disable strict mode to resolve the problem of Samsung Galaxy S3 randomly shuts off itself. To turn it off, go to your phone’s Settings and then System. Under the System tab, go to Developer Options. Now, scroll down and uncheck the strict mode.
Try to reboot your phone in safe mode to make sure if any third party App is causing the problem. If the problem doesn’t persist in safe mode, it’s a good sign that an App you have installed is the cause of your issue. Finding the culprit App is a bit difficult, but try deleting the Apps one by one to check which one is causing the problem. This solution can fix Samsung S3 randomly shuts off itself.
If all the above solutions don’t work out, take it to Samsung Centre or a technician as chances are it is not a software issue. If your phone is still under warranty, visit the Samsung Centre. It should be noted that the common cause of such a problem is usually recurrently overheating of the device.