This post is only mean for those who are using mobile phone, here i am going to give you some useful codes of android & nokia phones which are the most common in todays market ,you can use these codes for knowing more about your device and customize your device, so share this post to all your friends those who are using mobile phone
Android secret codes
For IMEI Number: *#06#
For RAM Memory version: *#*#3264#*#*
For FTA SW version: *#*#1111#*#*
For FTA HW version: *#*#2222#*#*
For Touchscreen version: *#*#2663#*#*
View Phone Lock Status: *#7465625#
Executes Emergency Dial Screen to unlock PUK Code: **05**#
Enables Voice Dialing Logging Mode: *#*#8351#*#*
Disables Voice Dialing Logging Mode: *#*#8350#*#*
Change behavior of Power button: *#*#7594#*#*
To test Vibration and Back-light of device: *#*#0842#*#*
To test Proximity/Distance Sensor: *#*#0588#*#*
To test Touchscreen: *#*#2663#*#*
For Audio Test: *#*#0289#*#* or *#*#0673#*#*
To launch Service Mode: *#*#197328640#*#*
Hidden Service Menu (Motorola Droid): ##7764726
Field Test: *#*#7262626#*#*
To format the phone: *2767*3855#
To start GTalk Monitoring: *#*#8255#*#*
To get PDA, Phone, H/W and RF Call Date: *#*#4986*2650468#*#*
Displays Build Time and Change List number: *#*#44336#*#*
Packet Loopback Test: *#*#0283#*#*
LCD Display Test: *#*#0*#*#*
Enter Service Menu (on New Phones): *#0*#
Diagnostic Configuration: *#9090#
USB Logging Control: *#872564#
System Dump Mode: *#9900#
To test Bluetooth: *#*#232331#*#*
To display Bluetooth Physic Address: #*#232337#*#
To test secret GPS: *#*#1472365#*#*
To test other GPS: *#*#1575#*#*
To test WiFi/Wireless LAN of phone: *#*#232339#*#* or *#*#528#*#* or *#*#526#*#*
To display Wi-Fi MAC Address: *#*#232338#*#*
To Restore Factory Settings: *#*#7780#*#*
To create Immediate backup of your multimedia files: *#*#273282*255*663282*#*#*
To display Phone Information: *#*#4636#*#*
To get detailed Camera Information: *#*#34971539#*#*
For Software & Hardware Information: *#12580*369#
To display HSDPA/HSUPA Control Menu: *#301279#
Nokia secret codes
*#7780# :reset to factory settings.
*#67705646# :This will clear the LCD display (operator logo).
*#0000# :To view software version.
*#2820#: Blue tooth device address.
*#746025625# :Sim clock allowed status.
*#62209526# : Display the MAC address of the WLAN adapter. This is available only in the newer devices that support WLAN
#pw+1234567890+1#: Shows if sim have restrictions.
*#92702689# : takes you to a secret menu where you may find some of the information below:
1. Displays Serial Number.
2. Displays the Month and Year of Manufacture
3. Displays (if there) the date where the phone was purchased (MMYY)
4. Displays the date of the last repair – if found (0000)
5. Shows life timer of phone (time passes since last start)
*#7328748263373738# resets security code. Default security code is 12345
Warranty Codes * # 92702689 # [* # war0anty #]