Sony Xperia S hard reset
Xperia S reset via MENU
Your device freezes or has fatal errors
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 Sony Ericsson Xperia Nozomi, Sony Ericsson Arc HD
Settings → Location and security → Set screen lock → Password.
firmware update with PC companion software
Download PC companion and install
Install PC companion on your PC computer. Follow instruction. For firmware update you need a micro USB cable. When the pc recognizing your XPERIA S it will install the necessary driver files.
After yourXPERIA S connected press Start / in Support Zone

You can also use Sony update service tool

PC Suite is out of date use PC companion software instead


