Why are y'all struggling so much with this.
1. You don't need to unroot.
2. You don't need to unfreeze anything.
3. RAZR_BLADE root method still works. You have to clear cache and data and force close Smart Actions before re-rooting.
I've done three Droid 4's already. All had different apps/services frozen via Titanium Backup and all were of course rooted. One (mine) got the SOAK at version .188 and the other two got the roll out at version .189.
Install update, clear Smart Actions and re-root with the razr_blade method .bat files.
Simple, works and reauthorizing Titanium Backup will refreeze all the apps you had frozen before the update.
Sent from my Nexus 10 using Tapatalk
confirm! razr_blade method still works on my phone