Samsung Galaxy S2 II secret codes
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S/W Version Check : *#1234# HW Version Check: *#197328640# -> Version information -> HW_VER,Rf_cal_date -> Read HW VER Factory Reset : ...
S/W Version Check : *#1234# HW Version Check: *#197328640# -> Version information -> HW_VER,Rf_cal_date -> Read HW VER Factory Reset : ...