Xperia SP

[AliveG]

Hey Guys,

i was really happy with my xperia z, until i lost it. 

about a week ago, i bought xperia SP. cheap, secondhand. everything worked like a charm, until i made OTA update. 

after it i can't make/recieve any calls while on 4g. it drops to H+ but call ends it self automaticaly. everything still works, when "use only 2g networks" selected. 

after restart the phone - same happens. 

tried to reflash, custom roms, all goes the same. what should i do, because i need data and calls on my phone. 

any suggestions?

[Thommo]

I'm not aware of any country that is able to use 4G and make calls at the same time as calls are made using the 3G network

[Uliwooly]

Here in the US some networks support calls over 4G but not data and calls.