How do I check my Android for problems?

Whatever the problem, there’s an app that will help you figure out what’s wrong with your Android phone.
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Even if you don’t have a specific problem, it’s good to run a smartphone checkup to make sure everything is ticking along nicely.

1. Phone Check (and Test) …
2. Phone Doctor Plus. …
3. Dead Pixels Test and Fix. …
4. AccuBattery.

How do I find out what version of Android I have on my Samsung?

Check the OS in the Settings App:

1. 1 From the Homescreen tap the Apps button or swipe up/down to view apps.
2. 2 Open the Settings application.
3. 3 Scroll to the bottom to find About Device or About Phone.
4. 4 Scroll down to find Android Version. Alternatively, you may have to select Software Information to view Android Version.