Hello team Sony, i have this M4 for a while now, it worked just fine, until a bit after the SW update, crom Lollipop to Marshmellow, i can't connect to my network, i can't vine or recente call, signal drops ale the time.
I did Factory reset, then SW repair ani stilul no fix.
Can you plase help us? I saw a lot of people here talking about this subiect, but not a viable solution.
Thanks a lot, have a good day!
