I remember this coming up before, but cannot find it through the advanced search. I've noticed that when I reboot my phone, the ringtone I selected is no longer the default and have to reset it. I've also searched through the settings and can't ...
Those of you having weird display issues (including black screens), try this
adb shell "echo debug.sf.hw=0 > /data/local.prop"
Does this have any effect of the black screen for incoming calls? Thanks.
I just did the same ...