It did the trick. Now the device connects to cell network almost instantly!
3) Signal - Acquiring the cell signal takes about 5 mins, if a wireless connection is present.!
Install recovery from serajr, create prerooted firmware with PRFCreator and supersu from this thread. Boot in recovery, wipe system, dalvik and cache. Install prerooted firmware, supersu, byeselinux and ricdefeat. Power off phone. Flash the same ...
I make now a clean backup with TWRP 126.96.36.199 from 3536. It´s only boot + system with out root or other modifications.
Download, unzip and copy to our phone. Boot into TWRP and restore. Please make a backup befor restore.
I can´t test it if...
Have you unlocked the bootloader?
There for i installed the DW Dialer from Market... Works fine and looks quite good!
There are smaller apps for that: Dialer One and exDialer(second one even has ICS theme) - both are free and works on ICS quite smooth....