Samsung
Galaxy Y
- Power Off the phone and reinstall battery
- Press and hold Middle key + PWR ON + Volume UP key
- Select Wipe Cache
- Then select Factory reset
Secret Menu For All Samsung Android Phones
- *2767*3855#
Galaxy Pop
- Power Off the phone and reinstall battery
- Press and hold Middle key + PWR ON
- Select Factory reset
Galaxy Fit
- Power Off the phone and reinstall battery
- Press and hold Middle key + PWR ON + Volume UP key
- Select Wipe Cache
- Then select Factory reset
Galaxy Ace
- Power Off the phone and reinstall battery
- Press and hold Home key + Power/ Lock key
- Select Factory reset from the menu
Galaxy SII
- Power Off the phone and reinstall battery
- Press and hold Volume Down + Home Keys
- Press and release PWR key
- Select clear storage by volume down key
- Press and release PWR key
- Press volume up key to confirm