How to prepare for upgrade to Jelly Bean - Droid Bionic Motorola and Verizon have announced that the Bionic will be upgraded to Jelly Bean starting April 15.   Aside from backing up any data that isn't synced with a cloud service, are there any steps that should be taken in preparation?
You can use Carbon to backup your applications data. If your devices is rooted you can make a complete nandroid backup using CWM.