A month ago my Samsung ACE Plus started behaving little bit differently in that I can't make calls or receive calls when on 2G (GSM) network. First I thought it was a network problem, but it is not. ...
I have this strange issue in Sony Xperia U. Currently I am using 6.1.1.B.1.100 bulid ICS 4.0.4. There is no option in mobile network to select 2g or 3g or 2g/3g. All I have is Use only 3g networks in ...