Hello all,

After upgrading to FRF91 (using this guide.. http://www.nexusoneforum.net/forum/n...lds-frf91.html )

I am now getting an issue with signal strength. As soon as I go into a "no signal" area, the phone "latches" like this and says "emergency calls only", even though I move to a high signal area. I have to restart the phone, sometimes a couple of times, before it picks up the signal again.... this only started when I upgraded to FRF91...

I would like to revert back to EPF21B, so I can "hopefully" resolve this issue. Could someone please advise me on how I would go about reverting the firmware back to EPF21B?

Thank you