Recently had my screen fixed on my samsung galaxy mega 6.3 and today the mobile data has just stopped working i can still make and reveive calls and texts though. tried turning it on an off doesnt work, reset my phone and still nothing, checked that I have an apn set up and reset it to default with no luck either tried everything but still its not turning on dont really want to factory reset but if it comes to I might have to any help would be very much appreciated