Flashed hboot to 7.00.1002 and radio to 20.76.30.0835U_3831.19.00.110 and restored CM11 by devil-kin.Everything goes without problems but then I found 1 new and 1 old error :
1. new one: in got 3G and 2G when I call my number voicemail answer telling I'm unavailable and when I hangup msg come in next 10 sec that I have voicemail from that number that called.Second call goes normal and ring.If I wait some time (i waited 10+min) and call again same thing happen.
2.old error: when I switch from 3G to 2G I get new error(1.new one) and if I reboot phone upon registering network get FC com.android.phone.Switching back in 3G is hard ( have to click 5 or more times) but when back it works fine just new error make problem.
I restored 10.2 by devil-kin and all problems gone (new and old).
So what we can see there hboot and radio didn't do anything with FC com.android.phone and new error Unavailable.
What can be problem? Maybe old simcard (2001 or before I didn't change my number long time
(maybe I really need new simcard)) or something with CM11 on Desire S.
My new vote is old simcard.Very old
(reason for my vote: what you can read above and information that just some phones are affected with FC com.android.phone).
Sorry for bad english.