What is backup code in my s3?

— You can try using the instructions in the previously answered question or you...

— This is an application to transfer data from your phone to other devices. To...

— The portable sign/icon is grey because the software is not recognizing your...

— The backup PIN code was set by you. The default one is 1234, 0000, or 12345. If...

— The backup PIN is actually a number you set up when various lockscreen options...

— The best way to know the answer is to try the program. Your case is difficult...