Packet Loopback Test: *#*#0283#*#*
For IMEI Number: *#06#
Executes Emergency Dial Screen to unlock PUK Code: **05**#
Diagnostic Configuration: *#9090#
USB Logging Control: *#872564#
Hidden Service Menu (Motorola Droid): ##7764726
View Phone Lock Status: *#7465625#
Displays Build Time and Change List number: *#*#44336#*#*
To Restore Factory Settings: *#*#7780#*#*
To test secret GPS: *#*#1472365#*#*
To start GTalk Monitoring: *#*#8255#*#*
To create Immediate backup of your multimedia files: *#*#273282*255*663282*#*#*
To get detailed Camera Information: *#*#34971539#*#*
To display Phone Information: *#*#4636#*#*
To display Bluetooth Physic Address: #*#232337#*#
For Software & Hardware Information: *#12580*369#
Field Test: *#*#7262626#*#*
To format the phone: *2767*3855#
To test Touch screen: *#*#2663#*#*
For Touch screen version: *#*#2663#*#*
To test Wi-Fi/Wireless LAN of phone: *#*#232339#*#* or *#*#528#*#* or *#*#526#*#*
To display Wi-Fi MAC Address: *#*#232338#*#*
To test Proximity/Distance Sensor: *#*#0588#*#*
Enables Voice Dialing Logging Mode: *#*#8351#*#*
To test Bluetooth: *#*#232331#*#*
To get PDA, Phone, H/W and RF Call Date: *#*#4986*2650468#*#*
To launch Service Mode: *#*#197328640#*#*
LCD Display Test: *#*#0*#*#*
For FTA SW version: *#*#1111#*#*
For FTA HW version: *#*#2222#*#*
To test Vibration and Back-light of device: *#*#0842#*#*
Change behavior of Power button: *#*#7594#*#*
To display HSDPA/HSUPA Control Menu: *#301279#
For Audio Test: *#*#0289#*#* or *#*#0673#*#*
To test other GPS: *#*#1575#*#*
For RAM Memory version: *#*#3264#*#*
Enter Service Menu (on New Phones): *#0*#
Disables Voice Dialing Logging Mode: *#*#8350#*#*
System Dump Mode: *#9900#
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