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A while back I managed to upgrade my Dopod 818 Pro to Windows Mobile 6. This is a followup to exactly what I did to get it done.

1. Download the PDAViet Temp ROM for the Prophet. When extracting the ROM use the password PDAVIET.
2. After extracting the archive, connect your phone to the PC and make sure ActiveSync is activated.
3. In the extracted PDAViet Temp ROM folder there are two executable files. Determining which file to run depends on what type of model your phone is:
   G3/G4 refers to the type of DOC used (Disk On Chip) on the Prophet.
   To determine the model, refer to the red text while your phone is booting after a soft reset.For example:
   
IPL: 2.09.000
SPL: 2.20.000
GSM: 02.47.21
OS: 2.20.7.34


   If the IPL and SPL numbers end in .000 then the phone is a G3 model, if it ends in .0001 then the phone is a G4 model.

4. After running the executable file, the flashing will take about 10 minutes, and the process tends to get stuck at 80%, but eventually will complete.
5. When completed the phone will reboot, wait until the “Welcome to Windows Mobile – Tap Here To Begin” screen appears. At this point DON’T TOUCH the phone and JUST LEAVE IT.
6. To start the actually Windows Mobile 6 ROM upgrade go to the folder which contains the new ROM. The one I downloaded was the PDAVIET 4.0.0.0.6 Touch but more can be found here. Run the batch file “Upgrade.bat”.
7. The upgrade will take around 15 minutes to complete.
8. Once the process has been finish, the final step is to HARD RESET the phone. This step MUST be done to complete the upgrade!

More for information refer to the How to upgrade from WM5 TO WM6 forum.

Related posts:

1. Dopod 818 Pro with Windows Mobile 6
2. Upgrading to Another WM6 ROM
3. HTC Diamond on My Dopod 818
4. Recovering from a Failed Windows Mobile 6 Upgrade
5. Set Up Windows Mobile with Google Sync