[Q] Galaxy Grand Duos Multitasking Problem (URGENT HELP PLEASE)
Hi everyone my name is Saif and I'm using Samsung Galaxy Grand Duos android version 4.2.2 JB (Official).
I'm using 2 Sim Card and both are always on. When I am talking on the phone and someone else is calling me, I cant receive the call.
For example i am talking to someone and my mom called, I slide the green button but when the option END CURRENT CALL OR PUT HOLD CURRENT CALL AND RECEIVE.. I cant choose any. Not only this.. when i am talking I cant write a message or use any other app except call options like mute hold add etc.
Is this common on every Grand? If no then please please please I beg of you help me. I have tried the factory rest from Settings.. didnt work and not even after updating my phone to 4.2.2,
Please please please help me.