Hi, i think i've got a solution for this on the Sprint Snap. first of all, i'm using PHM Registry editor smartphone edition. google for this cab: regedit.Stngr_ARM.CAB
second of all, here's how to re-provision the security on the snap so you can edit the registry.
http://www.microsoft.com/downloads/d...displaylang=en
install, and then install the tools.cab on your phone from the install directory, run the security configuration manager and connect your phone to your PC, then provision "security off", seems to work so far, and the values stick after a power cycle.
HOWEVER, here's the strange part. the rest of the registry tweaks seem to stick except for the ForceCellConnection value. Sprint must have installed some kind of start up script that checks for that particular key and replaces it if it's missing. is that possible?