When compared with the total population of Indonesia, which amounts to more than 260 million, of course the number of users is very high.
Discussion on How to Overcome Invalid MMI Code
Checking credit, quota, list of call packages, sms or others are closely related to the cellular network.
In order to be able to check, you must send a certain code. For example *123# or *888# and others.
An information message from the operator will appear if the code has been sent.
Sometimes a problem arises that causes the code to be invalid.
Although it sounds simple, many users experience this problem and it is a little annoying.
Usually these problems occur due to system problems, operator problems or network settings errors.
There are many questions related to how to solve an invalid MMI code on Telkomsel, how to solve an invalid MMI code in Indosat, how to solve an invalid MMI code on a smartfren card and connection problems or an invalid MMI code IM3.
To solve this problem, we have some tips on how to solve invalid MMI code which can be followed below.
How to Solve Invalid MMI Code
1. How to Overcome Invalid MMI Codes by Restarting Your Phone
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| How to Overcome Invalid MMI Codes by Restarting Your Phone |
The first way to solve the invalid MMI code is to restart the cellphone.
When a problem occurs when checking pulse, for example, but the MMI code is invalid or has a problem.
Then this can be overcome by restarting your cellphone, because this is related to the system.
Meanwhile, restarting itself is trying to get the system on your phone back to normal.
If it has been restarted and reactivated, try to re-send the dial code to check the pulse earlier.
The invalid MMI code message earlier will no longer appear.
2. How to Solve Invalid MMI Code With Clear Phone App Cache
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| How to Solve Invalid MMI Code With Clear Phone App Cache |
The second way to solve the invalid MMI code is by clearing the cache.
The phone application must be opened if you want to send a dial code to check quota, credit or other information.
So first clear the cache in the calling application (phone).
Here are the steps:
- Open the settings of your cellphone or cellphone;
- then the application menu is opened;
- Next open phone settings;
- Click the clear cache or data button.
Clearing the cache aims to eliminate errors that may be stored in the application.
This method is quite effective for dealing with errors that often occur.
3. How to Solve Invalid MMI Code By Setting Network to 3G
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| How to Solve Invalid MMI Code By Setting Network to 3G |
The third way to solve an invalid MMI code is to set up a 3G network.
You might be confused when activating the 4G network and checking your quota or credit, but an “invalid MMI code” appears.
LTE networks actually can not be used to make calls or send SMS and this is not known to many people.
The method :
- Go to settings;
- Mobile Network Settings is opened;
- Set or change network settings to 3G or 2G/3G/4G, then save;
- The position of the network settings is sometimes different, because it depends on the type of cellphone used.
But if your cellphone supports VoLTE, then this feature can be activated.
4. How to Solve Invalid MMI Code With Airplane Mode
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| How to Solve Invalid MMI Code With Airplane Mode |
The fourth way to solve the invalid MMI code is airplane mode.
To overcome an invalid MMI code, you can also activate airplane mode.
Also, the network can be refreshed when airplane mode is enabled.
How to activate airplane mode then wait for 10 seconds and turn it off again.
5. How to Overcome Invalid MMI Codes With HP Reset
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| How to Overcome Invalid MMI Codes With HP Reset |
The fifth way to solve the invalid MMI code is to reset the cellphone.
Reset HP aims to restore configuration errors or errors that were previously stored in the system.
If the methods above have not worked, then just use this method as another solution.
But first move your HP data before the reset process is carried out.
If that doesn’t work, it can be ascertained that the provider’s network is experiencing interference.
The final word
Troubleshooting invalid MMI codes is not really that difficult.
Because it can be overcome in ways that generally work as we have described above.
Try one by one, then the cellphone or network will return to normal.
Stay tuned for interesting info about how to solve problematic MMI codes, invalid MMI codes on vivo phones, connection problems or invalid MMI codes on Oppo and invalid MMI codes for Samsung J2 Prime on this site.




