Latest questions about "gsm network problem"

0 votes
1 answer 118 views
I have bought two UMI X2 smartphones and they were working perfect. Ten days later, one of them, which I use around my house, started to enter the 'no GSM service' mode.
asked Oct 29, 2013 by Perimenis Elias (120 points)
To see more, click for the full list of questions or popular tags.
...