Why Is My USSD Code Not Working?

What happens if you dial *# 21?

*#21# – Displays call forwarding status.

#31#phone-number + “Call” – Blocks caller ID for the current phone call.

*3370# + “Call” – Enables “Enhanced Full Rate” and improves voice quality on GSM networks (may impact battery life) *#5005*7672# + “Call” – Displays your carrier’s message center phone number..

What is starting MMI sequence?

An MMI Code is a sequence of digits that is entered into your phone to make it perform some special action. These codes start and end with a * or # so they don’t get confused with phone numbers you might want to dial.

What is USSD request?

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. … This makes USSD more responsive than services that use SMS.

What is my USSD code?

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. When you know the code for what you want to do, you can run it with a few simple taps.

How do I fix MMI connection?

Like if your code is *123#1 try *123#1, Check network settings. Go to network connection> Mobile networks> network operators and then select the wireless network provider. Try for 3–4 times and then try to attempt the same.

What is MMI code on cell 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. Even though most of these MMI codes look pretty similar, they fall into different groups with completely different actions.

What does Ussd stand for?

Unstructured supplementary service dataUnstructured supplementary service data (USSD), a communications service controlled by mobile network operators, is a critical piece of infrastructure used to provide mobile financial services on most phones, at low cost, and without requiring access to the user’s SIM card.

How do I fix USSD code running?

Here are the steps to be followed: dial *#*#4636#*#* in the dialer>navigate to Phone Information>click on ‘Run Ping Test’>Once the ping test is performed>click on ‘Turn Off Radio’>now click on ‘Turn on IMS over SMS’. Finally, Reboot your phone. This must solve your issue.

What is a USSD code running?

What is a USSD Code Anyway? A USSD code is entered into phones to perform actions. They are mainly used by network operators to provide customers with easy access to pre-configured services, including call-forwarding, balance inquiries and multiple SIM functions.

What does send USSD failed mean?

“Send USSD failed” while in roaming. … USSD is something like *123# that would be sent to check remaining minutes etc. When you’re roaming you’re connected to a company you’re not a customer with, and so they won’t be able to service your request for information.

How do I find my MMI code?

For example, entering *#06# on a GSM phone displays the model and serial number (see IMEI). “MMI code.” YourDictionary. LoveToKnow. www.yourdictionary.com/mmi-code.

What is the use of * * 4636 * *?

*#*#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.

How do I use USSD?

USSD is a technology platform through which information can be transmitted through a GSM network on a basic phone. This service will be available on all mobile phones with SMS facility. To use USSD mobile banking, users will have to simply dial *99# and use the interactive menu.

Why is my phone saying 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?

You can fix this error.Go to Dial Pad.Dial *#*#4636#*#* (No need to press the call button, it will automatically appear the service mode)Select the ‘Device Information or Phone Information’.Select ‘Run Ping Test’.Click on ‘Turn Radio Off’ Button.Then, click on ‘Turn on SMS over IMS’Reboot your phone & Check.More items…