It looks like Android 2.2.1 has leaked for the Motorola Droid X and if you’re looking to score this leaked update, be sure and follow the instructions below. The update brings the software version to 2.3.20.
*WARNING* – We DO NOT have an SBF file for this version of Blur.  What does that mean?  If something happens after you upgrade to this, you WILL NOT be able to do a complete wipe with an older SBF file.  This is NOT like the original Droid.  Should you choose to upgrade to this new version and attempt to wipe with an old SBF, you WILL brick your phone.
Download: Â Blur_2.3.320_System_2.2.1.zip (other mirrors at source link below)
Instructions:
*DROID X only.
*Have to be rooted. (Instructions)
*Should work with ANY 2.2 ROM.
*Will NOT wipe out all of your apps.
1. Â Download the file from above onto your SD card.
2.  Using Koush’s Droid X Bootstrap, bootstrap the recovery, then reboot into it.
3.  Navigate to “mounts and storage†and choose:– format system
– mount /system4.  Return 1-menu by tapping the power button once.  Choose “install zip from sdcard.â€
5.  Select “choose zip from sdcard†and select the Blur.zip file you downloaded from above.
6. Â Your phone will now upgrade to the newest Blur and Android version.
Be sure to hit up the source link for forum support from MyDroidWolrd and be sure to let us know what you think about the Android 2.2.1 update in the comments below.
Via: Droid-Life, MyDroidWorld