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Samsung GT-S6500 Galaxy mini 2 hard reset
Press volume up & down & power - when the phone vibrates IMMEDIATELY press the home button and after 2-3 seconds release the power button... What you're going for is that the phone tries to restart with volume up & down & home button pressed...
Hold VOLUME UP + VOLUME DOWN + HOME after release POWER until android logo display then release it then select wipe data/Factory reset then wait until finish then select reboot system now by using power button to select it.
Use this method to hard reset your Samsung GT-S6500 Galaxy mini 2 phone: Enter *2767*3855#. Warning! All your data including contacts, messages etc. will be lost! Copy all your necessary data/Contacts/Messages etc. to SIM or make backup to your PC before full reset! Take out SIM card before full reset.
Samsung GT-S6500 Galaxy mini 2 download mode if you want to install eg. Gingerbread
Press and hold Volume DOWN + HOME + POWER ON S6500
Restart your device to clear any temporary software bugs
Your device 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 [Power] for 8-10 seconds. The device will reboot automatically.
If this does not solve the problem, perform a factory data reset. In Idle mode, open the application list and select Settings → Privacy → Factory data reset → Reset phone → Erase everything.
Erase the credential contents from the device and reset the password
Set an unlock pattern
Once you set a screen lock, your device will require an unlock code each time you turn it on or unlock the touch screen
Settings → Location and security → Set screen lock → Pattern
If you forget your PIN or password, bring your • device to a Samsung Service Centre to reset it.
Set an unlock PIN code
Settings → Location and security → Set screen lock → PIN
Set an unlock password
Settings → Location and security → Set screen lock → Password.
You can hard reset software firmware update your Samsung GT-S6500 Galaxy mini 2 phone: Connect with Samsung Kies
S6500 firmware upgrade Android. You need this key combination if you are going to upgrade your S6500 android firmware.
Press and hold Volume DOWN + HOME + POWER ON S6500 This is NOT the hard reset. See reset procedure above.