We have 2 fastbootable boot.img's from 6.12.181 thanks to CtDracula and everyone else involved in this process!
Follow Kbosses' restore method for the most part...we have a twist though.
Fastboot flash with the 1.6 Utility to the 6.12.181 fastboot files. Things will fail as normal. Then open the new utility, run the option to go to the 6.16.206 boot.img. NOW go into Motorola Recovery, and upgrade to 6.16.206 using the OTA zip found in the thread under CDMA Droid Razr Development. It may fail but run it again and it will be fine and run through. Congrats you are now on 6.16.206!!!!
Now... my ICS Root in the 1.6 utility doesn't work on ICS 4.0.4. Nothing does yet. However, we have a way around it.
The small utility also has the boot.img from 4.0.3 (6.14.85 to be percise) which allows rooting. Flash that from AP Fastboot, and then boot with choosing BP Tools. Root using the 1.6 utility exploit for ICS. Then go back to AP Fastboot and use the boot.img from 4.0.4 (6.16.206) again. Rooted and back to 6.16.206!
Good luck to all, this is tested and confirmed :3
EDIT: And now what you've all been waiting for.....
- Unstuck ICS Tool:
- Droid Razr Utility 1.6:
- Update .zip for 206:
Step 1. Dl 206
Step 2. Fastboot 181.
Step 3. Fastboot the 206 boot.img
Step 4. Boot into recovery.
Step 5. Flash 206 from external sd card
Step 6. Boot up and enable usb debugging
Step 7. Boot into ap fastboot mode
Step 8 flash 85 boot.img
Step 9 boot using bp tools
Step 10 use ics root
Step 11 flash 206 boot.img
Step 12 profit
Edited by mattlgroff, 22 May 2012 - 08:10 PM.