How To Fix MMI Code Error On Android Tablet [ Guide ]

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Yesterday we have posted about how to fix invalid MMI code error on Huawei devices, today i’ll tell how to fix MMI Code Error On Android Tablet. You can apply the following methods on all the Android tablets. Once you start getting MMI code error you cannot make any calls or send text messages. There are many reason that can cause invalid MMI code error on Android tablets. We have found all the possible method that will help you to fix MMI code error.

How To Fix MMI Code Error On Android Tablet:

How-To-Fix-Invalid-MMI-Code-Error-On-Huawei-Phone_1

Step#1: First boot your Huawei device into safe mod, now use the code which was not working.

Step#2: Uninstall all the recent apps you’ve installed before start facing this issue.

Step#3: Use (,) at the end of the code. ( *2904*7#, ) you can also use + after (*). *+2904*7#.

Step#4: dial *#*#4636#*#* from your dial pad.

Step#5: Tap on information/ Device.

Step#6: Tap on “Run Ping test”.

Step#7: Tap on “Turn off radio” after the ping test is done.

Step#8: Now tap on “turn on IMS over SMS”.

Step#9: Reboot your phone.

Step#10: Reboot your device 5-6 times, also re-install the OS.

Step#11: Go to Settings on your phone > Network connection > Mobile networks > Network Operators.

All Done… !!

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