All engineering ebook(pdf)

Hie Bloggers , Today I Am Posting Some Codes
Which Are Really Helpful For Android Users ..
Some Of Them Are -
General
*#*#4636#*#* - Phone / Battery / USage
information
*#*#7780#*#* - factory data reset
*2767*3855# - factory format
*#*#34971539#*#* - information about phone
camera
*#*#7594#*#* - End Call / Power
*#*#197328640#*#* - Service mode.
WLAN, GPS and Bluetooth Test Codes:
*#*#232339#*#* - WLAN test
*#*#232338#*#* - Shows WiFi MAC address
*#*#1472365#*#* - GPS test
*#*#1575#*#* - Another GPS test
*#*#232331#*#* - Bluetooth test
*#*#232337#*# - Shows Bluetooth device
address
*#*#8255#*#* - This code can be used to
launch GTalk
GET FIRMWARE VERSION INFORMATION:
*#*#4986*2650468#*#* - PDA, Phone, H/W,
RFCallDate
*#*#1234#*#* - PDA and Phone
*#*#1111#*#* - FTA SW Version
*#*#2222#*#* - FTA HW Version
*#*#44336#*#* - PDA, Phone, CSC,
Build Time,
CODES TO LAUNCH VARIOUS FACTORY TESTS:
*#*#0283#*#* - Packet Loopback
*#*#0*#*#* - LCD test
*#*#0673#*#* - Melody test
*#*#0842#*#* - Device test (Vibration test
and BackLight test)
*#*#2663#*#* - Touch screen version
*#*#2664#*#* - Touch screen test
*#*#0588#*#* - Proximity sensor test
*#*#3264#*#* - RAM version
Enjoy...