Originally Posted by Rawwr
do a clean install dude,
or try wipe data,
if that doesnt help
i suggest u to install CM9 u will get HWA on ur phone
Reinstalling is the last thing I will do, since I have found something that may be relevant. When the error appeared, *#*#4636#*#* testing mode -> phone information will show "preferred network type" as "WCDMA preferred". Since I only have a GSM SIM card without 3G function, that may be the cause. But that cannot be changed when the error occurs, i.e., change that to "GSM only", quit the setting, re-enter, and it have reverted to "WCDMA preferred" automatically. Before the error occurs, that setting can be switched normally.
In settings->wireless & networks->mobile network settings, I have always set "GSM only" in network preferences, and ticked "use only 2G networks". When the error occurs, "GSM only" in network preferences is still there, but "use only 2G networks" is unticked automatically, and cannot be changed either, i.e. tick it, quit the setting, re-enter, and it have reverted to unticked status automatically.
The error will not recover itself; only re-booting can solve the error (switch airplane mode do not help because airplane mode switching also do not work when error occurs). I also found that when that error occurs, battery drains very quickly ( lost 40% one night).
Is this a known bug of CM7 or android? I googled and see lots of similar complains.