Our smartphones are jam-packed with functionality, many of which extend beyond what we can access through the standard settings and apps. Did you know that your phone contains a hidden layer of functionality that may be accessed with specific codes? Whether you're troubleshooting your device, accessing hidden diagnostics, or simply curious about what else your phone can do, these codes provide direct access to sophisticated functionality.
Here is a list of 100 must-know phone codes to help you get the most out of your smartphone. These codes are compatible with the majority of Android, iOS, and GSM devices, including call forwarding, network settings, diagnostics, and security features. Use them with caution, as some might substantially alter the way your phone performs.
1. General Telephone Information
Discover hidden information about your phone.
To check the IMEI (International Mobile Equipment Identity), enter *#06#.
This shows your phone's unique identifying number.
Check the program version: *#*#1234#*#*.
Get information about your phone's software version.
To access the service menu (Android), enter *#*#4636#*#*. This will display phone metrics, battery info, and other system statistics.
View SIM card number (ICCID): *#*#776#*#*.
Check hardware and software details at *#12580*369#.
2. Call and Network Management.
Manage and customise your call forwarding, waiting, and barring settings.
Disable all call forwarding:
##21#
To forward calls when inaccessible, dial *62*[number]#.
Disable unreachable call forwarding:
##62#
To forward calls while busy, dial *67*[number]#.
Disable busy call forwarding:
##67#
To activate call waiting, dial *43#.
Deactivate call waiting at #43#.
Hide your number for outgoing calls.
#31#
Check call barring status by dialling *#33#.
To activate call barring for outbound calls, enter *33*PIN# (replace PIN with your call barring code, often 0000).
Manage and customise your call forwarding, waiting, and barring settings.
Disable all call forwarding:
##21#
To forward calls when inaccessible, dial *62*[number]#.
Disable unreachable call forwarding:
##62#
To forward calls while busy, dial *67*[number]#.
Disable busy call forwarding:
##67#
To activate call waiting, dial *43#.
Deactivate call waiting at #43#.
Hide your number for outgoing calls.
#31#
Check call barring status by dialling *#33#.
To activate call barring for outbound calls, enter *33*PIN# (replace PIN with your call barring code, often 0000).
3. Phone and Network Diagnostics
These diagnostic codes will allow you to test the performance and network connectivity of your device.
Check phone network status: *#*#197328640#*#*.
To test the proximity sensor, enter: *#*#0588#*#*.
To test a Bluetooth connection, enter: *#*#232331#*#*.
Check battery status with *#0228#.
To test GPS functionality, enter: *#*#1575#*#*.
4. Data and Internet Codes.
These handy codes allow you to simply manage your mobile data and internet settings.
To check your data balance (MTN), dial *131*4#.
To check your Airtel data balance, enter *140#.
Deactivate mobile data at #7764726.
To reset your mobile data settings, enter *#*#72786#*#*.
To check mobile data status, enter *#1234#.
These diagnostic codes will allow you to test the performance and network connectivity of your device.
Check phone network status: *#*#197328640#*#*.
To test the proximity sensor, enter: *#*#0588#*#*.
To test a Bluetooth connection, enter: *#*#232331#*#*.
Check battery status with *#0228#.
To test GPS functionality, enter: *#*#1575#*#*.
4. Data and Internet Codes.
These handy codes allow you to simply manage your mobile data and internet settings.
To check your data balance (MTN), dial *131*4#.
To check your Airtel data balance, enter *140#.
Deactivate mobile data at #7764726.
To reset your mobile data settings, enter *#*#72786#*#*.
To check mobile data status, enter *#1234#.
5. Battery and Power Management.
Improve your phone's battery life and track charging details.
To view battery health information on an Android device, enter *#*#4636#*#*.
Check charging status at *#*#0288#*#*.
To enable power-saving mode, enter: *#*#3849#*#*.
To disable quick charging (Samsung): *#872564#.
Enable wireless charging (if supported):
*#*#298*334#*#*
6. Messaging and Voicemail Control
These codes provide you control over your SMS and voicemail settings.
Check voicemail at *#*#4636#*#*.
Set your voicemail number by dialling *5005*86*[number]#.
Check the SMS service centre number: *#5005*7672#.
Enable SMS delivery reports: *#*#346#*#*.
To clear all text messages, enter: *#*#7594#*#*.
Improve your phone's battery life and track charging details.
To view battery health information on an Android device, enter *#*#4636#*#*.
Check charging status at *#*#0288#*#*.
To enable power-saving mode, enter: *#*#3849#*#*.
To disable quick charging (Samsung): *#872564#.
Enable wireless charging (if supported):
*#*#298*334#*#*
6. Messaging and Voicemail Control
These codes provide you control over your SMS and voicemail settings.
Check voicemail at *#*#4636#*#*.
Set your voicemail number by dialling *5005*86*[number]#.
Check the SMS service centre number: *#5005*7672#.
Enable SMS delivery reports: *#*#346#*#*.
To clear all text messages, enter: *#*#7594#*#*.
7. Security and Locks.
Protect your phone with these critical security codes.
To enable phone lock, enter: *33*PIN#.
To disable phone lock, enter: #33*PIN#.
To check SIM lock status, enter *#746#.
To unlock your phone (network unlock), enter *7465625*638*#.
To check if the phone is network locked, enter *#7465625#.
To enable SIM card pin lock, enter: *33*.
To disable SIM card pin lock, enter #33*.
8. Development and Testing Tools
For advanced users and developers, these codes provide more information about your phone's systems.
To enable developer mode (Android), enter *#*#2846579#*#*.
Check software version and kernel: *#1234#.
To enable USB debugging, enter: *#*#759#*#*.
To access developer mode on Samsung devices, enter *#7284#.
Check the debugging log: *#9900#.
Protect your phone with these critical security codes.
To enable phone lock, enter: *33*PIN#.
To disable phone lock, enter: #33*PIN#.
To check SIM lock status, enter *#746#.
To unlock your phone (network unlock), enter *7465625*638*#.
To check if the phone is network locked, enter *#7465625#.
To enable SIM card pin lock, enter: *33*.
To disable SIM card pin lock, enter #33*.
8. Development and Testing Tools
For advanced users and developers, these codes provide more information about your phone's systems.
To enable developer mode (Android), enter *#*#2846579#*#*.
Check software version and kernel: *#1234#.
To enable USB debugging, enter: *#*#759#*#*.
To access developer mode on Samsung devices, enter *#7284#.
Check the debugging log: *#9900#.
9. Reset and Maintenance.
With these codes, you may easily reset or restore your phone to factory settings.
To delete all data, use the factory reset code: *2767*3855#.
Warning: This will remove everything on your phone!
To clear cached data (Android), enter *#9900#.
To reset network settings, enter: *#*#72786#*#*.
More codes to explore.
Check the phone lock status: *#7465625#
With these codes, you may easily reset or restore your phone to factory settings.
To delete all data, use the factory reset code: *2767*3855#.
Warning: This will remove everything on your phone!
To clear cached data (Android), enter *#9900#.
To reset network settings, enter: *#*#72786#*#*.
More codes to explore.
Check the phone lock status: *#7465625#
Enable fixed dialling mode. *33*PIN#
To check text message storage status, enter *#*#2767*3855.#
Enable call forwarding if no response: *61*[number]#
Check mobile data use at *#3282#.
A word of caution
While these codes are really handy, some of them might also change your phone's essential settings. Always double-check before using any reset or lock codes. Always back up your data before attempting to use factory reset codes.
Mastering these codes will allow you to easily regulate the performance of your phone, safeguard it, and access hidden functions.
While these codes are really handy, some of them might also change your phone's essential settings. Always double-check before using any reset or lock codes. Always back up your data before attempting to use factory reset codes.
Mastering these codes will allow you to easily regulate the performance of your phone, safeguard it, and access hidden functions.
