Service codes GStar: GM208 ( Chinese Nokea 6230+)
engineering menu: *#66 *#
Set language to English: *#0044#
Set language to Russian: *#0007#
Secret codes - GStar: GM208 ( Chinese Nokea 6230+)
engineering menu: *#66 *#
Set language to English: *#0044#
Set language to Russian: *#0007#
