Facetime not working
HI everybody
bought my Iphone 6 16 gb in UAE non-official store in December 31 2014, with facetime ENABLED IOS. using local sim card from DU www.du.ae
everything was perfect, facetime calls everyday, no issues.
during last 10 days can't use any facetime calls, audio and video. iphone recieves facetime call, shows "connection" on screen, and then disconnects. when i'm dialing, seems like other person don't answer my call.
tried everythng, soft reset, erase data settings, logout login to icloud - nothing helps.
please help
iPhone 6, iOS 8.2