O2 XDA Stealth soft resetPress the button with the stylus to soft reset your device.
O2 XDA Stealth hard reset
If you forget your password, you must hard reset before you can access your O2 Xda Stealth. A hard reset will erase all files and
data you have created and any programs you have installed.
Why does the screen freezes and does not respond to my commands or input?
Reboot the system to free up memory. The system shall operate more efficiently. If the system still lags after rebooting, you will need to clean boot your O2 Xda Stealth.
To clean boot, power off your O2 Xda Stealth and then press Windows key, OK key and the Power key at the same time, for about 5 seconds. Your O2 Xda Stealth will reset to factory defaults and reboot.
Please note: When you perform a clean boot on your O2 Xda Stealth, all your personalized settings, information, and programs installed will be removed. The system will reset to factory defaults.