‎"Connection problem or invalid MMI code" | AT&T Community Forums

19 апр. 2022 г. ... All other functionality works fine: internet, text messaging, all apps. Phone is an HTC One M8. Already powered on and off, already sent new ...

"Invalid Connection or MMI Code Error" on HTC One and other ...

20 апр. 2013 г. ... Well-known member · 1. The code is *3282# so just try dialing that and you should get the text with no error. · 2. I believe pressing the menu ...

How to fix "connection problem or invalid mmi code" error on samsung galaxy a...

Solution for " Connection Problem or Invalid MMI Code " | XDA Forums

3 февр. 2012 г. ... just add an comma (,) at the end of the code. for example, if your code is *123*1# then you should dial it as *123*1#,

5 Ways to Fix "Connection Problem Or Invalid MMI Code" in Android Devices [Ho...

How to fix "Connection problem or invalid MMI code" on Android devices? | And...

How to Fix Connection Problem or Invalid MMI Code Error

Problem using my new Sim with HTC Phone - Community home

22 мая 2020 г. ... Edited to add. You mentioned " invalid MMI code ". From a Google Search there are many hits and YouTube videos. One is fix-connection-problem- ...

Invalid MMI Code Or Connection Problem : Ways How To Fix It

6 дек. 2021 г. ... 1.Reboot your Android device. A mobile code that starts with a star/hash (*#) prefix is known as an MMI code. MMI codes ...

Connection problem or invalid MMI code | Problem Solved 100% | XIAOMI PHONE -...

Connection problem or invalid MMI code solution for All android phone. In this video I use Xiaomi Phone. Directly found the location setting in dial pad...

Error Message Connection Problem or Invalid MMI Code « Android ...

24 июл. 2016 г. ... I have Metro Service, so I use the T-Mobile and the Universal code several times and I keep getting the above message.

How To Fix Connection Problem Or Invalid MMI Code On Android Device - YouTube

‎invalid mmi code error message | AT&T Community Forums

12 февр. 2017 г. ... HiI have HTC one m7 unlock one from overseas.Now I am in USA and have bought a SIM cannot connect to AT&A Cartier, it give me 'invalid mmi ...

How to Fix 'Connection problem or invalid MMI code' when Running USSD code in...

How to Fix 'Connection problem or invalid MMI code' error occurs in any mobile phone having any Network Providers (SIM). Are you getting the message...

Connection problem or invalid MMI code [36907316] - Issue Tracker

14 мар. 2009 г. ... Android code version you are running: Dev Phone with Android v1.0 or v1.1 (always had this problem I'm just lazy to report)

Getting HTC One to show own phone number — Digital Spy

Try *111*501# in the dialer. Doesn't work on my unlocked HTC One - I get "Connection problem or invalid MMI code". 0. Stiggles Posts ...

How to solve 'connection error or invalid mmi code' problem - Quora

Restart your device · Add a comma at the end. Like if your code is *123#1 try *123#1, · Check network settings. Go to network connection> Mobile networks> network ...

6 Ways How To Fix Connection Problem or Invalid MMI Code

Fix Connection problem or invalid MMI code Error in Android|Tablet - YouTube

How to fix Connection problem or invalid mmi code error on samsung galaxy and...

For instant recharge, i am dialing *120*16 digit pin number from the recharge coupon or voucher#. At this time ussd code starts running and displays...