Updating program supports following operation system：
Windows 2000、Windows XP、Windows Vista edition

Attention：
1. In order to maintain the computer’s stability and avoid updating failures, don’t operate many programs simultaneously.
2. The previous data couldn’t be preserved after updating newly edition firmware. Please use the backup program to back up your personal data.
3. Don’t update other languages’ or regions’ firmware edition to your PDA phone.
4. Don’t remove USB cable before updating finished.
5. You should decrypt all the encrypted files on SD card before updating, the encrypted files on SD card can’t be opened after updating.

Procedure:
1 Install the P527 update application on your PC.
2. Check PC already installing [ActiveSync 4.5] (windows 2000, XP) or [WMDC] (windows vista).
3. Synchronize P527 to PC with USB cable and make sure it’s in connection status.
4. Check the power left of device is above 50%, and the state of cellphone is on.
5. Click [Update] button to upgrade to Windows Mobile 6.1.
6. If upgrade failed, please keep USB cable connecting to PC, re-execute update application and follow expert mode to upgrade.