[Motorola Droid Bionic] open1your1eyes0:
If followed correctly, this a bulletproof method (reposted from our work at Rootzwiki) of returning any image to a true 5.5.886 stock and then applying the OTA update.

Commands/Screenshots

Moto-Fastboot Commands

Root Commands

Boot Mod Commands

***All the files you must have in one folder - Full Package from below***

Necessary Resources

Motorola Drivers v5.4.0 (32-bit) or Motorola Drivers v5.4.0 (64-bit)

5.5.886 Radios (radio.zip)

Full Package of All Other Files You Will Need: Link 1 or Link 2

Optional Resources

5.5.886 Boot Mod

5.5.886 FXZ Restore File

Motorola Fastboot

Root and Forever Root Files

ADB-Fastboot Files

5.5.893 OTA Update

RSDLite v5.6

Fastboot Mode

Make sure the phone is off

Hold down the Volume Down + Volume Up buttons and press the Power button

When the choices appears, press Volume Down twice, till "AP Fastboot" is selected

Press Volume Up to select

Recovery Mode

Make sure the phone is off

Hold down the Volume Down + Volume Up buttons and press the Power button

When the choices appears, press Volume Down once, till "Recovery" is selected

Press Volume Up to select

When the icon with the android and exclamation appear press both Volume Up and Volume Down at the same time to enter the recovery

Step-by-step Process

Download the 3 files under "Necessary Resources"

Install the appropriate Motorola drivers for your operating system

Place the radio.zip file on the root of your SD card (not internal storage)

Unpack the full package of files to one folder on your computer

Turn off your phone completely

Start into Fastboot Mode (listed above)

Connect your phone to your PC with the USB cable and let it install the drivers for your device

After the drivers are done installing, open a command prompt in the folder where you unzipped the full package to

Using the Moto-Fastboot Commands screenshot from above follow each one step by step until you are done

When you have finished, disconnect your USB cable and press the Power button once to turn it off

Start into Recovery Mode (listed above)

Highlight "wipe cache partition" and press the Power button to select it

When it has completed, pull the battery out of your phone and then put it back in

Start into Recovery Mode again

Highlight "apply update from sdcard" and press the Power button to select it

Highlight the "radio.zip" file on your SD card and press the Power button to select it

When it has completed, highlight "reboot system now" and press the Power button to select it

When the device reboots into the OS waited 1 minute for it to load everything in the background

Follow the prompt but don't sign into anything, just get to the homescreen

When at the homescreen, connect your USB cable and then from the pull down menu select "USB connection", then select "Charge Only" and hit OK

Go into Settings -> Applications and enable Unknown Sources and hit OK

Go into Development and enable USB Debugging and hit OK

Back out to Settings -> Battery & data manager -> Battery mode and select Performance mode

Power off your phone and then power it back on normally

Open a command prompt in the folder where you unzipped the full package to

Using the Root Commands screenshot from above follow each one step by step until you are done

Power off your phone and then power it back on normally

Open a command prompt in the folder where you unzipped the full package to

Using the Boot Mod Commands screenshot from above follow each one step by step until you are done

***When a Superuser prompt appears on your phone after the last command, quickly select Allow and make sure you do NOT reboot your phone***

When it has finished, connect your phone to your 3G/4G or a WiFi connection

Go into Settings -> About phone and select System updates

When the prompt comes up, press Setup

Place a check in "I agree to the Motorola Terms of Service" and then press Next

When the update prompt comes up, press Download

Wait for the update to download

When the update prompt comes up, press Install Now

Let update reboot to recovery and install itself

***Your phone may appear as if it is completely off for a little while but leave it be it will turn itself on and continue***

Let the update finish and then it will reboot back into your system

Congratulations! You now have the official 5.5.893 update installed and are back on the official OTA path and forever rooted :)

Credit to all developers of the zergRush exploit, to realbbb (from Rootswiki) for discovering the Boot Mod, and anyone else who participated in making this all possible.