Instruction
1
Smartphones and Nokia phones formatted with the introduction of a combination of numbers in the dialing mode. If you dial the *#7780#, then all settings will be reset to factory, but your data will remain intact. When you enter *#7370# will apply a hard-reset and the phone will be completely wiped and formatted. After the introduction of this combination will need to enter the security code which is by default 12345.
2
To format Samsung phones you need to enter combination mode dial *2767*3855#. All the downloaded user data will be deleted, leaving only the standard content that was installed at the factory.
3
For Sony Ericsson there isn't any special codes to reset, is responsible for this menu item "Settings" - "Reset to factory settings". Cell phones on Symbian are formatted using similar code for Nokia is *#7370#.
4
iPhone is formatted from the corresponding menu under "Settings" - "General" - "Restore". Select "Delete all data", then a warning message will appear. Confirm your choice, after which the smartphone's screen will turn off and then display a waiting icon. After formatting is complete, appears the logo "Apple" and the phone will restart automatically.
5
For Android phones is in the phone menu also has a corresponding paragraph. Go to menu "setting" - "Security" - "Reset factory settings" Reset your phone". All settings and data will be completely removed.