Just wanted to give a tutorial on how to update to stock.893 and then r3blur3d 2.0 and maintain root. You can flash 2.0 right over 1.8 with no problems but you will not get the kernal and radio update.
1. Backup current rom and apps if you want.
2. Download what you are going to need.
[ROM] [R3]BLURR3D V2.0 PBX MOTO Kernel (10/22/2011) - RootzWiki
One-click fastboot restore and root for the bionic v2.1 - RootzWiki
http://www.mydroidworld.com/forums/...found-update-files-read-before-you-flash.html
You can find your verision under settings-phone info
3.Power off Bionic and boot into fastboot by holding volume down and power.
4. Run one click restore and root.
When it is done restoring press y to run petes one click root and it will start up. Make sure debugging is enabled and then click root.
5. Root using forever root from p3droid with this method
RootExplorer Method (here is a video for those that need a visual.
http://www.youtube.com/user/TweakMyDevice#p/u/3/cK2nDadZRS4)
go to /system/bin/
Long press mount_ext3.sh
open in text editor
add the following lines to the very bottom ( I put a space between the last line and the first added command )
Code:
chmod 4755 /system/bin/su
chmod 4755 /system/xbin/su
chmod 4755 /system/app/Superuser.apk
then save. a backup of the original will be made.
ADB method
Code:
adb pull /system/bin/mount_ext3.sh
open the file in your favorite text editor
add the following lines to the very bottom
Code:
chmod 4755 /system/bin/su
chmod 4755 /system/xbin/su
chmod 4755 /system/app/Superuser.apk
Save file
Code:
adb push mount_ext3.sh /data/local
adb shell
mount -o rw,remount /dev/null /system
cat /data/local/mount_ext3.sh > /system/bin/mount_ext3.sh
chmod 777 /system/bin/mount_ext3.sh
6. Reboot and make sure it took using rootexplorer
7. Copy the new update to the root of your sdcard-ext
8. Boot into stock recovery by holding down both volume keys and power button, volume down to recovery and volume up to select, when the triangle shows up press both volume keys and power.
9. select install update
10. select the update file. let it install it takes awhile
11. check to make sure you still have root
12. install and run bootstrap and rom manger
13. Delete unthrotlle folder on sd cards
14. do an nandroid back up
15. boot into cwr wipe dalvick, cache and format system
16. flash 2.0 and let it install
17. enjoy
Just in case something goes and you have .893 installed with no root.
http://rootzwiki.com/topic/7801-roo...ndows-get-root-after-893-ota-oops/#post189877