Quick Answer: What Is MMI Code?

What is a MMI code on my phone?

Every code that you enter over your phones keypad that contains asterisk (*) or hash (#) characters is an MMI code.

MMI stands for Man-Machine-Interface.

Why does my phone say invalid MMI code?

Solution: ‘Connection problem or invalid MMI code’ indicates problem with the network (i.e poor signal) or wrong MMI code have being entered by the user. Otherwise, if user is trying to recharge through the mobile which has two active sim connections. Then, there is a chance for this error.

How do I turn off MMI code?

Re: What is the MMI code to disable call forwarding?

  • Dial #21#.
  • Push the Call, Send, Talk, or Receiver icon.
  • Your wireless device displays a confirmation message when Call Forwarding deactivates.

How do I fix error problem or invalid MMI code?

Here are some methods you can try as they worked for me when i was facing this error:

  1. Restart your device.
  2. Add a comma at the end. Like if your code is *123#1 try *123#1,
  3. Check network settings. Go to network connection> Mobile networks> network operators and then select the wireless network provider.

What is the MMI code of Jio?

List of Reliance Jio USSD codes for Checking Balance & 4G Data. 1] *333# : Dial this code to check your main balance. 2] To receive the same via sms, you can text MBAL to 55333 which is toll free number.

What is USSD code in mobile?

Unstructured Supplementary Service Data (USSD), sometimes referred to as “Quick Codes” or “Feature codes”, is a communications protocol used by GSM cellular telephones to communicate with the mobile network operator’s computers.

What is the full meaning of MMI?

MMI. An acronym for Man Machine Interface. A MMI is a software application that present information to an operator or user about the state of a process, and to accept and implement the operators control instructions. Typically information is displayed in a graphic format (Graphical User Interface or GUI).

What causes invalid MMI code?

ou are getting “Connection problem or invalid MMI code”, this error mainly occurs because of the connection issues & sim card authorization. This issue mostly happen in dual sim smartphones. If it is working, then certainly there is an app which is causing the Invalid MMI Code error on your phone.

What is starting MMI sequence?

MMI, or “Man-Machine Interface,” refers to the numbers or text entered into your phone to perform specific actions. MMI codes typically start with an asterisk and end with the pound symbol. If you’re on a call, you cannot access MMI codes. Many of these codes are programmed into your phone by the phone company.

How do I turn off call forwarding code?

To turn off Call Forwarding (Immediate or Conditional), dial *73 then press Send. If you don’t have your device or *73 or *920 doesn’t work, Call Forwarding can be turned off via My Verizon. If *73 doesn’t work you may try *920 to turn off all Call Forwarding.

How do I turn off conditional call forwarding?

Select to forward incoming calls “When unreachable”, “When unanswered” or “When busy” Edit or enter the phone number you want to use.

Disable Call Forwarding:

  • Open “Phone”
  • Tap “Menu” > “Settings”
  • Go to “Call forwarding”
  • Select the forwarding option you want to turn off and tap “Disable”

How do I turn off call forwarding on my Android phone?

To cancel call forwarding on Android, just go back to the same settings and hit the ‘Disable’ option when selecting a forwarding number.

How do I find my Jio offer code?

[EXPIRED] Reliance Jio USSD Codes

  1. Check Your Jio Number – Dial *1#
  2. Check Daily Data Usage – SMS “MBAL” to 55333.
  3. Main Balance/Talktime – Dial *333#
  4. Check Call Rates – SMS “TARIFF” to 191.

What is a USSD code running?

An Unstructured Supplementary Service Data (USSD) code is a code that is programmed into your SIM card or your cell phone to make it easier to perform certain actions.

How do I know my Jio offer?

Using Jio.com:

  • Login with OTP.
  • Click on ‘My Plans’
  • If you are a Prepaid customer, you can view your active plans with your balance details & validity as well as your Queued Plans details. If you are a Postpaid customer, you can view details of your current plan.

How do I find my phone details?

Check your phone’s settings

The easiest way to check your phone’s model name and number is to use the phone itself. Go to the Settings or Options menu, scroll to the bottom of the list, and check ‘About phone’, ‘About device’ or similar. The device name and model number should be listed.

How do I find information about my phone?



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How To Check System Info On Android – YouTube


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What is the code to check Android phones?

Android Hidden Codes

Code Description
*#*#0673#*#* OR *#*#0289#*#* Audio test
*#*#0842#*#* Vibration and Backlight test
*#*#2663#*#* Displays touch-screen version
*#*#2664#*#* Touch-Screen test

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