Post updating to 6.1 ,I can see lot of complaints regarding network issue..But looks like samsung is in complete denial mode..they are simply asking to contact network provider even if same network provider with same sim card is working perfectly fin...
This is useless steps..I did everything except device factory reset..still facing same issue...since almost 1.5 months.. Network doesn't even works in week signal zones.. network bar keep on showing just with message no signal or emergency services o...