I have purchased the mobile (Galaxy M30) from amazon india and it was working very good i travelled now to qatar from 3 months and was working also with qatari sim card no problems, suddenly yasterday the network stopped working ,
1- i tried the sim card in another mobile it is working.
2- i tried another sim card in this mobile just connect 10 second to the network and suddenly dissconect and not connecting again.
3-i tried to make factory reset to the mobile, still same problem.
mobile still in waranty and i am now in qatar what shall i do ?
I would suggest contacting the Samsung Support Forum for your location you can use the link below to find the site since this is for US models