Recently, we received these problems from Galaxy S3 users:
1. When removing the battery for whatever reason, I lose my user settings. For example, the Message Notification sound returns to Default as do other settings.
2. I often lose connection of Bluetooth with my car radio, as 50% of the time when I get into the car, it will automatically connect, other times it will not. I have to turn off the phones Bluetooth & then back on and it will reconnect.
#1 Possible Causes and Solutions for the Galaxy S3 Settings Getting Reset During Restart
This is a common problem experienced by many Galaxy S3 users as well as other Android phone owners. Many users in forums such as in the XDA Developers and Android Central said that it is a bug in Android 4.2.1 Jellybean. So, they recommend simply updating to Android 4.2.2 which apparently has a fix for the problem.
It is also worth noting that some people suggested toggling the Airplane Mode on and off. They said it worked for them. But a number of them said that it only provided a temporary solution as rebooting can trigger the problem again.
You may want to check too if there are other apps causing this by booting in Safe Mode. Then, if all else fails, try a factory reset as a last resort, but if this proves to be an Android issue, I don’t think that this will do anything. So a safe bet is to update your Android OS.
#2 Possible Causes and Solutions for the Galaxy S3 Bluetooth Issue in Car
There have been similar complaints in the Android Central forum. According to the contributors there, it is simply a compatibility issue with the car radio.
One way to fix the problem is by unpairing the phone and by performing a reset on the car radio. There is no need to do anything with the phone.
If that does not work, another possible solution is by getting a Bluetooth update for the audio deck of your car. You can check the official website of the product or its manufacturer to learn how you can do this.
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