What is Telstra invalid MMI code?
Re: “Connection problem or invalid MMI code” This can sometimes happen when the number you are trying to dial has an * at the beginning or a # at the end. Please try manually dialing the number or editing your contact if it has either of these characters within it.
How do I fix invalid MMI code?
Several different methods exist to fix the “Connection problem or invalid MMI code” on an Android device.
- Restart the Android Device. The first way to try to fix an invalid MMI code would be to restart the smartphone.
- Modify the Prefix Code.
- Activating Radio and Turning on IMS over SMS.
- Check Network Settings.
What is valid MMI code?
(Man Machine Interface code) A cellphone code that begins with a star/hash (*#) prefix. MMI codes are entered like telephone numbers to obtain a variety of information as well to enable and disable various actions. For example, entering *#06# on a GSM phone displays the model and serial number (see IMEI).
How do I cancel my MMI code?
Dial #21#. Push the Call, Send, Talk, or Receiver icon. Your wireless device displays a confirmation message when Call Forwarding deactivates.
What does USSD code running mean?
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. These shortcuts are also used by many manufacturers to control system functions.
How do I get my MMI code?
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 MMI code *# 21?
*#21# tells you the status of your unconditional (all calls) call forwarding feature. Basically, if your cell phone rings when someone calls you — this code will return no information to you (or tell you that call forwarding is off). That’s it.
What does MMI code *# 21 mean?
We rate the claim that dialing *#21# on an iPhone or Android device reveals if a phone has been tapped FALSE because it is not supported by our research.