this secret codes help you to know about your android phone features

1. 1 For IMEI Number: *#06#
2 For RAM Memory version: *#*#3264#*#*
3 For FTA SW version: *#*#1111#*#*
4 For FTA HW version: *#*#2222#*#*
5 For Touchscreen version: *#*#2663#*#*
6 To test Bluetooth: *#*#232331#*#*
7 To display Bluetooth Physic Address: #*#232337#*#
8 To test secret GPS: *#*#1472365#*#*
9 To test other GPS: *#*#1575#*#*
10 To test WiFi/Wireless LAN of phone: *#*#232339#*#* or *#*#528#*#* or
*#*#526#*#*
11 To display Wi-Fi MAC Address: *#*#232338#*#*
12 To test Vibration and Back-light of device: *#*#0842#*#*
13 To test Proximity/Distance Sensor: *#*#0588#*#*
14 To test Touchscreen: *#*#2663#*#*
15 For Audio Test: *#*#0289#*#* or *#*#0673#*#*
16 To launch Service Mode: *#*#197328640#*#*
17 Hidden Service Menu (Motorola Droid): ##7764726
18 Field Test: *#*#7262626#*#*
19 To format the phone: *2767*3855#
20 To Restore Factory Settings: *#*#7780#*#*
21 To create Immediate backup of your multimedia files:
*#*#273282*255*663282*#*#*
22 To display Phone Information: *#*#4636#*#*
23 To get detailed Camera Information: *#*#34971539#*#*
24 For Software & Hardware Information: *#12580*369#
25 To display HSDPA/HSUPA Control Menu: *#301279#
26 To start GTalk Monitoring: *#*#8255#*#*
27 To get PDA, Phone, H/W and RF Call Date: *#*#4986*2650468#*#*
28 Displays Build Time and Change List number: *#*#44336#*#*
29 Packet Loopback Test: *#*#0283#*#*
30 LCD Display Test: *#*#0*#*#*
31 Enter Service Menu (on New Phones): *#0*#
32 Diagnostic Configuration: *#9090#
33 USB Logging Control: *#872564#
34 System Dump Mode: *#9900#
35 View Phone Lock Status: *#7465625#
36 Executes Emergency Dial Screen to unlock PUK Code: **05**#

2. 37 Enables Voice Dialing Logging Mode: *#*#8351#*#*
38 Disables Voice Dialing Logging Mode: *#*#8350#*#*
39 Change behavior of Power button: *#*#7594#*#*