Now updated for 6.16.217!
good for ppl on earlier ics builds as well.
1 Download everything and put the 217 update on your sdcard (remember to uninstall safestrap before you start and to charge up your battery as well!)
2 Fastboot install 219 with restore tool or sbf file (erase data for best results... i know this sounds wrong)
3 use unstickics tool and fastboot install kernel with 217 (let it reboot once when done)
4 install 217 via sdcard and recovery (factory reset if you want to as well) to do this hold down power and both vol keys, when menu appears use vol- to scroll and vol+ to select
5 root with tool
6 in Google Play install superuser
Droid4 restore Utility with .219 sbf
Droid 4 Utility Updated
217 unsticics tool
ICS Leak 6.16.217 Update zip, boot.img and crc
Myfishbear's Rom Server ./tools
to enter fastboot hold down power and both vol keys, when menu appears use vol- to scroll and vol+ to select
to reset phone hold power and vol- for like 4 seconds