How do you fix invalid 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 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 fix invalid MMI code on Samsung?
Another simple and effective way to fix Connection Problem or Invalid MMI Code on android phone is to add a comma at the end of the Prefix code. By adding the comma it forces the operation to execute and overlook any error that’s in the way.
What happens when you dial *# 21?
*#21# – Displays call forwarding status. ##002# + “Call” – Disables all call forwarding. *33*pin# – Enables call barring. … *#5005*7672# + “Call” – Displays your carrier’s message center phone number.
Why does it say my IMEI is invalid?
IMEI means International Mobile Equipment Identity. … However, the possible reason for invalid IMEI error could be a problem from the MTK setup of the Android device. It could also be as a result of after factory reset or flashing of the Android device without the removal of the mobile Sim network.
What is a 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…
What is an MMI code on a 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 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.