A. Soft reset
Poke the hole at the bottom of the device with the stylus.
OR
Remove the battery, put it back and start it, do this only if the poke doesn't work.
B. Hard reset
Resetting your phone will remove all data from memory and restore the phone back to the factory default settings.
1. Tap Start > Settings > System tab > Default Settings.
2. Key in "1234" to confirm that you want to restore default settings and press OK.
3. Tap OK.
The phone will restart automatically after it is reset.
OR
Press Right Soft Key and tap Reset ( poke the bottom with the stylus) at the same time
C. Flash Reset
Use this option when you need to flash the phone with the new version
Press the Volume down button and hold while tapping reset ( poke the bottom with the stylus)
The main article on this phone is located here
http://p320.blogspot.com/2008/11/asus-p320-how-what-where.html
