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vickybrown

New member
Aug 16, 2014
1
0
Hi guys,I have a problem with my
galaxy y duos-GT-S6102.i always get
'Connection problem or invalid MMI
code'.This issue arose after i flashed my phone with a stock rom.Ave tried a no. of ways to go about it like adding comma after the code and adding + (*+144#) with no success any solution pliz?
 

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Kobro

Senior Member
Nov 21, 2013
581
95
Hi guys,I have a problem with my
galaxy y duos-GT-S6102.i always get
'Connection problem or invalid MMI
code'.This issue arose after i flashed my phone with a stock rom.Ave tried a no. of ways to go about it like adding comma after the code and adding + (*+144#) with no success any solution pliz?

thats what happens on custom roms, usually they do not support mmi codes.
try flashing a totally stock rom, not a modified stock rom.