M3s bad Connection, bad swich 3g, 2g, signal often 0

1691

7

2016-12-12 21:25

the data connection is malfunctioning. When i Moving the connection is slow, and many times the signal is 0. In preferd 3g where  3g signal is full swich 2g and not back  on 3g.  When the signal is little week go 0 and cant call. O send SMS...  Is this  a problem  hardware?  Software?  I open a thread in bug section but in a week nobody answer.Can i Have answer?  You can solve or only is send the devices back you...?