Android has many secrets kept in which is been never noticed by us,there are many useful ways through these shortcuts or long cuts which saves hell of time and learning new codes in andi.
Here are some important codes which works almost on all the android devices
The codes should be typed in the dial pad of your phone
2.*#0*# - Enter the service menu in newer phones
3.*#*#4636#*#*- Phone info including usage,statistics nd battery
4.*#*#34971539#*#*- detailed camera info
5.*#*#273282*255*663282*#*#*- Immediate backup of all the media files
6.*#*#232339#*#*- WIRELESS LAN TESTS
7.*#*#2664#*#* -Test the touchscreen
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8.*#125*0*369# -Software and hardware info9.*#872564# -USB logging control
10.*#9900# -System dump mode
11.*#301279#- HSDPA/HSUPA control menu
12.*#7465625# -View phone lock status
13.*#*#7780#*#*- Reset the data partition to factory state
14.*2767*3855# -Format device to factory state
