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Get your card back. If not do a factory reset.
1.Power off your phone
2.Press together volume up + home button + power button
3.Release your fingers of the phone when Samsung logo appear
4.Choose with volume buttons "wipe data/factory reset" and select it with power button
5.Choose "yes" with volume buttons and select it with power button
6.Wait untiil format is complete
8.Wait until the phone restarts
Turn off . Press and hold POWER + ENTER button for reset menu.
Factory reset with Volume Down button and press Power to reset. All data will be lost! there is an alternate method too friend
Use this method to hard reset your Samsung GT-S Galaxy mini 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-S5570 Galaxy mini download mode if you want to install eg. Gingerbread
Press and hold Volume DOWN + HOME + POWER ON S5570
Restart your device to clear any temporary software bugs
If you know the hard reset with buttons / keys, pls leave a comment. All comments are welcome!
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.
Clear storage• : 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-s Galaxy mini phone
Hope it helps u
locking your phone will help stop accidental dialling. if you don't lock your phone all you have to do is touch the screen and your ready to press buttons if you lock it then you have to unlock before you can press them, so in turn to acccidently call somebody it would have to unlock itself in your pocket.
When the device is locked up like this hold down the lock and home buttons. After a few seconds the device will turn off, immediately let go of both buttons. Now press down and hold the home button. Hit the power/lock button one time. Continue holding the home button until the phone boots up. It will need to be connected to iTunes for recovery at this point.
To lock the keys so you don't accidently activate the phone whilst carrying it about.
Press and hold down the "end call" button ( phone handset down picture) until Unlock shows at bottom left screen
To unlock, press the top left button, above the "start call" button (phone handset up picture), then press the * button (bottom left).
You get a screen prompt to press * to unlock