HIDDEN SECRET CODES FOR ANDROID SMARTPHONES, ANDROID USEFUL CODES AND TIPS AND TRICKS, ANDROID ON SCREEN CODES PART - 2

1. Phone Information, Usage and Battery  *#*#4636#*#*

2. IMEI Number  *#06#

3. Enter Service Menu On Newer Phones  *#0*#

4. Detailed Camera Information *#*#34971539#*#*

5. Backup All Media Files *#*#273282*255*663282*#*#*

6. Wireless LAN Test *#*#232339#*#*

7. Enable Test Mode for Service *#*#197328640#*#*

8. Back-light Test  *#*#0842#*#*

9. Test the Touchscreen *#*#2664#*#*

10. Vibration Test *#*#0842#*#*

11. FTA Software Version *#*#1111#*#*

12. Complete Software and Hardware Info *#12580*369#

13. Diagnostic Configuration *#9090#

14. USB Logging Control *#872564#

15. System Dump Mode *#9900#

16. HSDPA/HSUPA Control Menu *#301279#

17. View Phone Lock Status *#7465625#

18. Reset the Data Partition to Factory State  *#*#7780#*#*