1) service mode - *#197328640#
2) battery mod - *#0228#
3) factory format - *#2767*3855# (only use if ur phone is in warranty)
4) firmware version - *#4986*2650468#
a) sw & csc - *#1234#
b) fta & sw - *#1111#
c) fta & hw - *#2222#
5) wifi - *#526#
6) bluetooth - *#232337#
7) lcd test - *#0*#
8 ) melody test - *#0673#
9) vibrator - *#0847#
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