Understanding Your  Phone’s MMI Code Error : Website2

Understanding Your  Phone’s MMI Code Error : Website2

Connection Problems or  Invalid MMI Code

When you try to contact theoperator number  using  a smartphone and then a pop up is seen writing connection problems or  invalid MMI code, of course, it’s quite confusing. Especially if at that time you really need special information  from your respective operator. Of course, there may be an error in the entered code due to  a special cause.

Of course, as a user,  you really need to understand first how an MMI code  can be considered inappropriate.   So indeed, it may actually be calmer and not confused because later this problem can be solved independently, then try to contact the operator according to their respective requirements.   Although indeed you have to pay attention to a few steps first.

The existence of this particular stage cannot be applied right away  when trying to reduce the connection problem factor or  invalid MMI codes.   So it is indeed necessary to wait a few seconds to see if then the operator can be contacted or not. There is no need to immediately worry that your smartphone is being damaged because this is related to the operator’s network.

So when this happens understand well and be patient in waiting.   If it is not solved when you try again, you can start trying to apply some steps, it can indeed be done as a solution to the error in the MMI code. You don’t have to come to the place of service, this condition can still be overcome on your own.

Understanding Your  Phone’s MMI Code Error

Man Machine Interface stands for MMI in code form. This code is a  special service created for you to be able to access various features on your phone. The special code consists of several combinations of symbols as well as numbers. Of course, it is easier when you need  to use special features  to their respective operators.

Using this special code is when you need to get information about the quota or credit of the internet, as well as  the IMEI, and other requirements.   However, there are still many possibilities for the emergence of connection problems or  invalid MMI codes are also quite annoying because they disrupt the process  when you need to  check certain information on your network according to their individual needs.


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Several things cause an error in the combination of these symbol numbers, for example because the network settings setting occurs incorrectly and there may still be many   unimportant  files  stored in the phone’s  memory.  The  code error  occurs because if  a temporary bug appears on the phone, as well as because the lack of support on the operator signal is decreasing.

So indeed, the existence of a connection problem or  invalid MMI code  on the phone is not something serious and even requires special handling.   Users can indeed apply alternative steps  based on these possible causes so that later it is easier to be able to fix errors.

Practical Tips to Minimize Special Codes Error

Most of the initial solutions  are actually quite easy  to use as solutions if there is a connection problem or the MMI code is invalid.   It is possible that the cause is a bug in your signal network so the solution is  to restart the phone, then wait a few seconds before trying to contact the operator. This step indeed helps in fixing  if there are bugs on the phone.

The next alternative  solution  may be easier for you to try turning on the plane mode on the smartphone, after waiting a while to return the  normal signal. This is  a very useful solution  to correct  your  signal  again and quickly get caught properly by the phone.

When you find a connection problem or  an  invalid MMI code, it may be because the less important storage  is indeed stored in memory . The habit of still leaving  documents less important to your memory certainly ends up interfering with its performance.    So it is important to try to get used to checking the file manager section and start diligently deleting   unimportant documents in memory.

Clearing cache and several unimportant files from your phone make more memory available for other purposes. In the settings section, of course, you can easily find the storage section that can indeed be cleaned. Doing this regularly is also very helpful in keeping smartphone performance and memory optimal.

Placing a Specific Mark on the Combination of Operator Numbers

If indeed the previous  quick trick  still can’t be sure it can change  the connection problem or the MMI code  is invalid and there are  still  problems, then try applying other steps.   Entering a special mark  in the operator code  when contacting the operator  can be an alternative so that the error  can be  resolved.

You can enter a +  sign  at the beginning of the typed code.   For example, the code you need is to call *123# then try writing *+123#. The + signal is obtained as you keep the zero number longer.   This method  can  sometimes  succeed in overcoming the problem of invalid code errors on your phone.

Another  special  sign can also be used is the comma. But unlike the previous character, you must enter this semicolon character  at the end of the code. For example, writing *123, #. The way to get a comma in dialing is to keep the * button  longer.

Inserting this character is indeed a step that is rarely known or made. If you did indeed do everything else, but failed, of course, inserting a character would be very helpful. But be careful and check again for connection problems or invalid MMI codes that you use in the right way.

The  occurrence of an error reading the special command code of the particular command can also be detected. Therefore, an important step can be made by applying a solution  by giving them these special characters.   Try applying it, for example, there is a connection problem or  an invalid MMI code  still persists.

Advanced Solutions How to Change Signal

Networkenis in smartphones with great signal strength widely used today is 4G LTE. However, this signal service  also often triggers errors such as connection problems or  invalid MMI code.   That obstacle exists due to the lack of support of this sign when the need to contact  as well as regular short messages. Of course, the priority of the network is because the main focus is on the internet network.

So to overcome this problem, you can try to temporarily change the 3G signal from using the 4G. Of course, just to meet the needs of short phone messages so that the network is more optimal. This reduces the occurrence of problems or errors in the special code  when contacting the operator.

To change it you can go to the phone settings section and then take the mobile network option . In that option , there will be options to set the network that will be used on your phone. It remains only to change it from 4G to 2G/3G, after saving the settings and trying to make an operator call like the starter.

This way your phone network will be stronger and there will be no problems reading the combination of mmi symbol numbers again  . Indeed, many developments have currently taken place  in  today’s smartphones . So at this hurdle, there are more  in older versions of smartphones so adjustments need to be made first.

Such network problems are indeed possible in various carriers as well as mobile phones. For this,   it is then not immediately shaken as everything can still  be solved properly. There are still so many solutions that  can be applied so that you do not have connection problems or  invalid MMI code, but indeed the latest smartphones will have minimal  errors.