Reset Motorola A855

1. With the device powered off, slide the keyboard open.
2. Press the Power key and the X key simultaneously until the Recovery screen appears.
   The Recovery screen displays a graphic of an exclamation point within a triangle.
3. Press and hold the Volume up key then press the Camera key.
   When the Recovery menu screen appears, release the keys.
4. Using the Volume keys, select Wipe data factory Reset.
5. Press the center of 5-way navigation pad.
6. Using the Volume keys, select Yes — delete all user data.
7. Press the center of 5-way navigation pad.
8. Using the Volume keys select Reboot system now.
9. Press the center of 5-way navigation pad.
10. Refer to Initial Activation and Setup.

http://support.verizonwireless.com/support/devices/knowledge_base.html/26502