It basically enables Signal boost technology (UMA) for our Galaxy S II when in low signal areas.
This CMW zip works perfectly. This zip is tried and tested on AOKP (Hydrog3n ICS) using Siyah Kernel.
However Give me and others feedback on if this works for you on other Rom's.
Remember this is Orange Network only!
Find the zip attached.
Just flash in recovery.
Here's an emergency link in case the xda one becomes unresponsive....