Press and Hold Volume Up, Power and Home button together.
Then toggle on 'Wipe Data/Factory Reset' and
then 'Reboot system now'.
you can also try Full reset *2767*3855# or via recovery mode above mentioned
Samsung Some Galaxy Format & Hardreset Solution
KM420
Press and Hold Volume Up, Power and Home button together.
Then toggle on 'Wipe Data/Factory Reset' and
then 'Reboot system now'.
you can also try Full reset *2767*3855# or via recovery mode above mentioned
Press and Hold Volume Up, Power and Home button together.
Then toggle on 'Wipe Data/Factory Reset' and
then 'Reboot system now'.
you can also try Full reset *2767*3855# or via recovery mode above mentioned