Mobile Phone Tips and Tricks

Tips and Tricks For All Mobile Phone

Codes working with most of cell phones

These code should work with most cell phones. Some may not be usable depending on the provider.
Code Function
press 1 for longer than aone second Dial mailbox number (mailbox number must bve specified in the settings)
press # for longer than one seconds Activate/deactivate silent profile
*#06# Display the IMEI (International Mobile Equipment Identity)
#31#[number][dial] Dial with own number being not displayed (replace [number] with the number to dial)
*31#[number][dial] Dial with own number being dispalyed (replace [number] with the number to dial)
*#33*[dial] Show status call locks
*43#[dial] Turn on tall waiting
#43#[dial] Turn off call waiting
*#43#[dial] Show status of call waiting
*135#[dia] Request own number (often does not work)
**04*[old Pin]*[new Pin]*[new Pin]# Change Pin (do not enter [ and ])
**05*[PUK]*[neue Pin]*[neue Pin]# Unlock Pin (do not enter [ and ])
**042*[old Pin2]*[new Pin2]*[new Pin2]# Change Pin2 (do not enter [ and ])
**052*[PUK]*[new Pin2]*[new Pin2]# Unlock Pin2 (do not enter [ and ])
*#0000# Display Software Version (Nokia and Samsung devices)

Codes for charges:

Codes Function
*100#[Dial] Request number and balance (Prepaid)
*101#[Dial] Request number and balance (Prepaid)

Codes for Nokia phones

Code Function
*#0000# or *#999# Display software version
*#7780# Reset all settings, then enter the special code (12345 by default).
*#7370# or *#62209526# Hard reset: reset all settings and erase all data, then enter the special code (12345 by default).
*#92702689# Service Menu
*#746025625# Shows if the "sim clock stop allowed" mode is supported and activated. This is an energy saving feature.
*#67705646# erase provider logo
*#7370925538# erase suitcase (including password)
*#2820# display Bluetooth device address
*#62209526# display MAC device address (only for devices with WLAN/WiFi)
##634# Start diagnostic tool (windows phones)

press # long turn on/off profile silent
press * long turn on/off Bluetooth (only E models)

Codes for Samsung phones

Code Function
*#1111# Display software version
*#1234# Display firmware version
*#2222# Display hardware version
*2767*3855# Reset: delete all data and reset all settings
*#0*# Test/service mode, e.g. Galaxy S3 mini
*#*#4636'*'* Test/service mode, e.g. Galaxy S2

Call diversion

Call diversion when busy:

Code Funktion
**67*number# Divert to the given number
#67# deactivate call diversion
##67# Erase call diversion
*#67# Request status for call diversion

Call diversion in case the handset is turned off or has not coverage:

Code Function
**62*number# Divert to the given number
#62# deactivate call diversion
##62# Erase call diversion
*#62# Request status for call diversion

Call diversion for not responding

Code Function
**61*number**x# Divert to the given number aber x seconds (x=5,10,15,20,25,30)
#61# Deactivate call diversion
##61# Erase call diversion
*#61# Request status of call diversion

Call diversion for all conditions above:

Code Function
*#004*number# Divert to the given number
#004# Deactivate call diversion
##004# Erase call diversion
*#004# Request status for call diversion

Always divert:

Code Function
*#21*number# Always divert to given number
#21# Deactivate call diversion
##21# Erase call diversion
*#21# Request status for call diversion

Erase all call diversions:

Code Function
##002#[dial] Remove all call diversions

 

Hidden Secret Codes for Google Android Mobile Phones

 

*#*#4636#*#*
This code can be used to get some interesting information about your phone and battery. It shows following 5 menus on screen:
  • Phone information
  • Battery information
  • Battery history
  • Usage statistics
  • Wifi information
    *#*#7780#*#*
    This code can be used for a factory data reset. It'll remove following things:
  • Google account settings stored in your phone
  • System and application data and settings
  • Downloaded applications
It'll NOT remove:
  • Current system software and bundled applications
  • SD card files e.g. photos, music files, etc.
PS: Once you give this code, you get a prompt screen asking you to click on "Reset phone" button. So you get a chance to cancel your operation.
*2767*3855#
Think before you give this code. This code is used for factory format. It'll remove all files and settings including the internal memory storage. It'll also reinstall the phone firmware.
PS: Once you give this code, there is no way to cancel the operation unless you remove the battery from the phone. So think twice before giving this code.
*#*#34971539#*#*
This code is used to get information about phone camera. It shows following 4 menus:
  • Update camera firmware in image (Don't try this option)
  • Update camera firmware in SD card
  • Get camera firmware version
  • Get firmware update count
WARNING: Never use the first option otherwise your phone camera will stop working and you'll need to take your phone to service center to reinstall camera firmware.
*#*#7594#*#*
This one is my favorite one. This code can be used to change the "End Call / Power" button action in your phone. Be default, if you long press the button, it shows a screen asking you to select any option from Silent mode, Airplane mode and Power off.
You can change this action using this code. You can enable direct power off on this button so you don't need to waste your time in selecting the option.
*#*#273283*255*663282*#*#*
This code opens a File copy screen where you can backup your media files e.g. Images, Sound, Video and Voice memo.
*#*#197328640#*#*
This code can be used to enter into Service mode. You can run various tests and change settings in the service mode.
WLAN, GPS and Bluetooth Test Codes:
*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* - WLAN test (Use "Menu" button to start various tests)
*#*#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 Service Monitor.
Codes to 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, Changelist number
Codes to launch various Factory Tests:
*#*#0283#*#* - Packet Loopback
*#*#0*#*#* - LCD test
*#*#0673#*#* OR *#*#0289#*#* - 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
NOTE: All above codes have been checked on Google Android phone Samsung Galaxy I7500 only but they should also work in other Google Android phones.

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