iam facing the same problem…”connection problem invalid mmi code..and iam also not able to make call” i dont know the exact reason for it..but i think it may be due to some application which you installed..just do restore factory setting after that restart your phone once..it will ...
If you have entered an incorrect MMI code on your Huawei phone, you may face issues like an invalid MMI code, no provisioning, or any other related error. In this article, we will help you troubleshoot and fix these issues on your phone. Read on to learn more about fixing invalid MCID...
If it works, then there is an app causing the Invalid MMI Code error on your Android phone. Reboot your phone and remove any recently installed apps. 2.Prefix code Another simple and effective way to fix a connection problem orinvalid MMI codeon an Android phone is to add a comma at th...
Different Fixes for Connection Problem or Invalid MMI Code 1.Reboot your Android device. A mobile code that starts with a star/hash (*#) prefix is known as an MMI code. MMI codes are input in the same way that phone numbers are to get a range of information and to enable and disable...
If you input an incorrect code on your phone for a certain feature (such as call forwarding,) you'll receive an "Invalid MMI Code." You may also receive an "Invalid MMI Code" message after entering correct if you haven't subscribed to the service or feature with your carrier. For insta...
Every now and then, you may run into the Connection Problem or Invalid MMI Code pop up error on your Android device. This generally happens when a
Toggle the airplane mode:Turning airplane mode on and off is an effective way to refresh your phone’s network connections. If you are getting the “Connection problem or invalid MMI code” only due to a network glitch, toggling the airplane mode should help. ...
Hello everyone i'm stuck with "connection error or invalid mmi code" since weeks and i'm not able to recover from it i've wide data/cache and nearly done everything i even change roms to roms.Firstly when i was on stock rom then there were no problems but as soon as i flashed lea...
Call forwarding Connection problem or invalid MMI code. Typing the code to cancel call forwarding#21#& dial also returns the "invalid MMI code" error. I attached a logcat as well as a modem log. Edit:It's the same issue after upgrading to LineageOS 18.1 so added a new logcat & update...
MMI or Man Machine Interface codes are useful when you want to access information about your Android phone or enable or disable certain features. But why is your phone showing the "Connection Problem or Invalid MMI Code" error? This could happen due to a network glitch, SIM card malfunction,...