Android 2.3 gingerbread secret codes
Android 2.3 Secret Codes (1) *#*#0*#*#*this code use screen test menu (2) *#0011#show to network mode/cell info/power info hidden menu (3) *#*#4636#*#*sow to battery and other general setttings like GSM/CDMA (4) *#*#8255#*#*for Gtalk service monitor (5) *#*#7780#*#*for factory data reset (6) *#*#34971539#*#*for information about phone camera (be very careful hitting options here) (7)*#*#7594#*#*change the "Power" button action in your phone. (8)*#*#197328640#*#*service mode (9)*#197238640#service mode (10)*#0*#testing mode (11)*#1234#display phones current firmware (12)*#*#1472365#*#*gps test (work on 2.2) (13)*#0011#network mode/cell info/power info (14)*#*#0*#*#*screen test menu (15)*#7465625#engineering mode (16)*#3214789650#gps service menu for JP3 fw (17) *#9900#Sysdump screen.. way to dump ram and other logs to sd card (18)*2767*3855#FACTORY DATA WIPE AND internal SD RESET as soon as you enter # use only if you want wipe your phone (19)*#*#2