Back UP all of your Galaxy Fame Lite data first!
In dial pad screen: press *2767*3855# - All data will be lost!
Samsung Galaxy Fame Lite S6790 soft reset
Press and hold for 8-10 seconds to reset the device if it has fatal errors or hang-ups, or freezes.
To soft reset your Samsung Galaxy Fame Lite GT-S6790N android phone simply take out the battery and reinsert it.
Factory data reset: Reset settings to the factory default values and delete all data.
Your Samsung Galaxy Fame Lite freezes or has fatal errors
If your device freezes or hangs, you may need to close programs or reset the device to regain
functionality. If your device is frozen and unresponsive, press and hold the Power button for
8-10 seconds. The device reboots automatically.
If this does not solve the problem, perform a factory data reset. On the Applications
screen, tap Settings - Backup and reset - Factory data reset - Reset device - Erase everything.