Android 2.3 (Gingerbread) 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) *#*#273283*255*663282*#*#*
Opens a File copy screen where you can backup your media files

Note: We will not be responsible for any damage of your phone,no will be liable for any damage