USSD (Unstructured Supplementary Service Data) is usually known as quick codes or feature codes and are used for accessing or unlocking all the hidden features present there on your mobile phones. This is an extra-UI protocol that was basically created for the GSM phones but later on they were there available on CDMA devices as well.
These codes can easily help in unlocking the codes but there are few tricks that you should know before that if you want to have the different types of USSD codes then have a look at this article. We are going to provide each and every android phone information code for opening the hidden features of the mobile. Let’s start:
- FIELD MODE: *3001#12345#*
Type the above-mentioned android network settings code into your phone dialler and after that, you will have to call or press the green button for accessing the field mode on your phone. The field mode is a mode that gives access to all the local networks and cell towers. Probably there is no need of yours to find the local cell towers in your area but this can be fun to look around for a while.
- GENERAL TEST MODE:*#0*#
This is an android mobile testing code that works on android devices only. This helps out people by finding all the phone operations that can be operated just by a single push only. Some examples of these phone operations are vibration, sleep, front cam, and many others.
- DISPLAY YOUR IMEI: *#06#
To get access or to know the IMEI number of your phone, dial the above-mentioned number on your dialler and then press the green button. After doing this so, the IMEI number of your phone will prompt on the screen of yours, IMEI is unique to your device. Along with other things, this special code can easily help you out blacklisting all the stolen devices or help the customer care support.
- CHECK YOUR CALL FORWARDING:*#67#
This is one of the best code that helps you to find the number to which your phone is currently forwarding the calls when you are busy or reject any of the calls.
By default, this is a carrier voicemail service but you can easily change it to forward the call simply to a different number. If you are using iPhone, then also you can change it easily by going to Settings> Phone> Call Forwarding. On androids it can be done by going to Phone app> Hamburger icon> Settings> Call> More settings> Call forwarding. Try it out.
- MORE INFORMATION ON CALL FORWARDING: *#61#
This is a code that will help on a galaxy phone and will tell out the people how long the call is forwarded to the message center. But on the iPhone, this is a code that shows information similar to the above-mentioned code.
- CHECK YOUR AVAILABLE MINUTES: *646#
This is a code that only works on the postpaid plans. It usually works on galaxy phones and instead of promoting a new message this code send message to your message box.
- CHECK YOUR BILL BALANCE:*225#
This is a code that will help you out by telling the current balance on your phone.
- HIDE YOUR PHONE FROM CALLER ID: #31#
By entering this code, a message will prompt in front of you saying that the Caller ID has been disabled. If you want to re-instate the caller ID then you will have to dial *31#.
- CHECK YOUR BILING CYCLE: *3282#
This is a code that works on android and tells the people about billing info of their SIM.
- SMS MESSAGE CENTER: *5005*7672#
This is a code that will help you out in telling your SMS message center number.
- ACTIVATE CALL WAITING: *43#
This will help in activating the call waiting but if you want to deactivate it, you will have to type #43#.
- QUICK TEST MENU: *#7353#
This is a mobile screen test code that only works on Samsung galaxy models, this is similar to general test mode. While typing the code this will prompt a menu on the screen with one tap test.
- FIRMWARE:*#1234#
This is again a code that it there for Samsung galaxy only, type this code in the dialler and you will get to know the current firmware of your phone. Ergo, this will let you have fun and enjoyment.
- CODES WORKING WITH MOST OF THE CELL PHONES:
The codes mentioned in the table below are usually available on all the different types of phones. Some may not be used as it depends on the providers. Have a look to the android mmi code list:
| CODES | FUNCTION |
| Press 1 for one second | Dial mailbox number |
| Press # for longer than one second | Activate/ Deactivate the silent profile |
| *#0*# | You can easily get into the service menu on modern smartphones |
| *#06# | Display the IMEI |
| #31(Number)(Dial) | Display with own number being not displayed |
| *31# (Number)(Dial) | Dial with own number being not displayed |
| *#33*(Dial) | Show the status call locks |
| *43#(Dial) | Turn on the call waiting |
| #43#(Dial) | Turn of the call waiting |
| *135#(Dial) | Request the own number |
| *#43#(Dial) | Show the status on call waiting |
| **04*(Old pin)*(New pin)*(New pin)# | Change pin |
| **05*(PUK)*(Neue pin)*(Neue pin)# | Unlock pin |
| **42*(Old pin 2)*(New pin 2)*(New pin 2)# | Change pin 2 |
| **52* PUK)*(New pin 2)*(New pin 2)# | Unlock pin 2 |
| *#0000# | Display the software version |
- CODES THAT ARE AVAILABLE FOR CHARGES: *100# (Dial)
This will help in requesting the balance and number.
- SMS:
Send the SMS delayed: At the start of the SMS, you will have to type the text *Later (seconds) # after that replace the seconds with a number. For example, 10 for 10 seconds. Remember that you do not forget to give space between the later and the seconds. But this will not work with all the providers.
- TESTING MENU CODE: *#*#4636#*#*
This is an android mobile testing code that you will have to type and this is one of the most common codes used by people. Ergo, there is a bit of information that can be pulled up by you in the hidden menu.
- CALL DIVERSIONS:
**67*number# – This will divert the call to the given number
#67# – This will deactivate the call diversion
##67# – Helps in erasing the call diversion
*#67# – Request the status for call diversion
Therefore, this is all about how to check android phone code that will help you to unlock the special features or the hidden features of your phone. Try them out and let us know in the comments section were these codes effective or not.
