yes you can get rid of the reboot loop if you are ready to put your phone into open mode: http://wiki.meego.com/N950/Fixing_MALF_state

follow to step 7...once mounted you can edit the files which this system-extensions edited and voila you are done...


also before doing the above try the following on your PC:

run cmd as admin
cd c:/program files/nokia/flasher

now uninstall whatever you installed and you should be ok

also once you've managed to reverse it in cmd enter:


The commands are courtesy of MAG...