longstep.blogg.se

CONNECTION PROBLEM OR INVALID MMI CODE ANDROID
CONNECTION PROBLEM OR INVALID MMI CODE CODE

If you have chosen one of these options and still encounter an invalid MMI code,.

Select a service provider (at&t or Verizon, etc.). You will then see the available networks.

CONNECTION PROBLEM OR INVALID MMI CODE CODE

Method 5B: Correct an invalid MMI code or connection issue on your Samsung Galaxy S4.īC method : Correct an invalid HMI code by restoring the IMEI number. Method 5A: Correcting an invalid HMI code : Insert the SIM card to access network services Please refer to these articles and follow the instructions carefully: Still, most of my users have found a solution by applying the same principle. On, there are always multiple ways to solve a problem, and here we have a collection of solutions, These links below are articles for different problems. Then press and hold the Power key and the Home key simultaneously until the phone turns off. Conclusion: Turn on the phone, open the network settings. Rebooting the phone a few times may help. If this setting is disabled, SMS messages are sent or received for a 1x(time), circuit-switched connection. Then click on the button Enable SMS via IMS.To resolve a connection problem or an invalid MMI code in the Samsung Galaxy, simply enter the device information mode and activate the radio to activate the IMS system via SMS. Please read: Secret codes for all Samsung Galaxy variants (S2/S3/S4/S5) You can use the + symbol after * such as *+2904*7#.Īdding a comma forces the operation to execute and ignores any errors that get in the way. If your prefix code is *2904*7#, just add a comma to the end,

CONNECTION PROBLEM OR INVALID MMI CODE ANDROID

Restart the phone and delete recently installed applications.Īnother simple and effective way to fix a connection problem or an invalid MMI code on an Android phone is to add a comma to the end of the prefix code.

If it works, there is an app called Invalid MMI Code on your Android phone.

Enter the same area code you tried before and see if it works, for example.

The Safe Mode logo will appear in the lower left corner of the screen.Hold down the power button and keep pressing the menu button this is the button to the left of the home button.An application like FX Camera is a treat in most cases. Basically, all preinstalled applications and services that came with the phone are temporarily disabled.įollow the instructions below to enter safe mode and find out if an intrusive application is interfering with your phone’s network. Safe mode is very similar to computer safe mode. In this guide, we will use the Samsung Galaxy. To find out if an application may have caused this error, go into safe mode on your phone. For most people, however, this is not necessarily the case. Disable the application – many users have found the solution by removing the application that may be causing the MMI error code. I mention this solution first because it has received less attention from users, but it is the simplest and most effective. To resolve a connection problem or an invalid HMI code. What causes connection problems or an invalid HMI code.Īlthough mobile phone operators vary from country to country, the invalid MMI code error usually occurs on smartphones with two SIM cards, such as. adding a receipt to activate a USSD code. This error usually appears when, for example, you want to check your balance, perform a reload or use a function of your mobile operator. I cannot send or receive calls or text messages, and I cannot charge for call time.

Hi,I’m having a communication problem or an invalid HMI code…. While there are many common bugs on the Samsung Galaxy, one of the issues that really caught our attention and proved to be the most difficult was a connectivity issue or an invalid MMI code. Samsung Galaxy options are very popular, and we have written down some of the simplest and most useful solutions to various problems. Here at, we have many solutions to the problems of almost every mobile phone.