Ну вот с xda инструкция - на русский уж переведёте,хотя и так понятно куда что
Код:
Step by step guide using the official O2 DSUU
1. Install the official O2 ROM update on my computer.
2. Navigate to the DSUU folder.
3. Delete "gcall.nb0".
4. Rename the WM6 .nb0 file to "gcall.nb0 and copy to the DSUU folder.
5. Start the DSUU update which will take about 5-10 Minutes.
6. After the DSUU says to begin the update reset your device.
7. If "Image Utility" doesn't appear on the screen then allow your device to start up normally. If it does appear then allow it to proceed, this should take around 20 minutes. Follow the on screen prompts to finish setup of WM6.
8. Once the device has restarted open up File Explorer (or a similar program) and navigate to the root of the device.
9. Tap on "UpdateROM.exe" which will restart the device and start the "Image Utility"