Invalid IMEI Error: How I Fixed It With Simple Trick

Invalid IMEI or phone IMEI is invalid is a problem you will likely encounter when you upgraded your phone and there is an error in completing the upgrading. Invalid IMEI error can suffocate your phone and hinders it from making a phone call and recognizing your phone SIM card.

All phones have different IMEI number. This IMEI number is a unique phone identification number to track your phone when lost or when misplaced into a wring hand. However, when you have an invalid IMEI error popping up on your phone, then something is wrong with your phone.

Sometimes, invalid IMEI error has to do with your phone OS. When you phone OS requires upgrading and you upgraded it but due to network failure or distraction you could not complete the upgrading, then you are likely going to encounter the unusual invalid IMEI error on your phone.

You can also end up seeing invalid IMEI error on your phone when you tried to flash a customer ROM on it and it fails. This could be that your phone IMEI isn’t properly flashed while flashing your customer ROM on your phone.

This occurrence is common among Infinix and Tecno product. Meanwhile, it’s not a manufacturing issue rather a users problem who failed to upgrade their device OS via a reputable network and flashing a customer ROM with little or no knowledge of it.

How Do I Fix Invalid IMEI Error?

They’re two methods to fix Invalid IMEI error on Android phone. So, whenever you encounter Invalid IMEI error on your Android phone you can also refer to this tutorial on how to fix invalid IMEI on Android phone to solve the issue.

Meanwhile, to know whether your phone IMEI is invalid you need to check your phone IMEI first. Note that, your phone IMEI is unique to your phone. And that, it is only your phone that can have the same exact phone IMEI. No two phones can have the same IMEI number.

It’s one IMEI per phone but we can check for phone IMEIs using the same technique I’m about to reveal below.

How to Check Phone IMEI Number

They are three ways to check phone IMEI. You can check your phone IMEI in your phone settings, at the back of your phone when you remove the battery cover or under your phone battery close, and you can also check your phone IMEI using USSD codes.

The latter option is the fastest and popular way to check your phone IMEI number. No need to dig deep into your phone settings before you get to know your phone IMEI number.

1. Open your phone dialer and dial “*#06#

2. You phone IMEI number will be display

3. You don’t need a network or an internet connection to check your phone IMEI.

Meanwhile, if your phone is a dual SIM phone you will see two different IMEI numbers. The first IMEI number for SIM 1 and the second IMEI number for SIM 2. To fix Invalid IMEI I recommend you check your IMEI number first whether it is has disappeared or not.

If it was seen then you may need to remove the custom ROM you flashed on it but if it’s not displayed using the IMEI USSD revealer above then you need to follow this tutorial to fix the IMEI error issue.

Invalid IMEI Error: How I Fixed It With Simple Trick

I know two popular ways to fix IMEI error. The first approach requires your phone IMEI backup and do a restore of the IMEI number while the second approach only works for a rooted Android phone. If you don’t know what root means, it’s the same term used by iPhone users as Jailbreak. So, in iPhone term, you need to jailbreak your device to use the second approach.

Method 1 to Fix IMEI Error

1. Download and install  MTK Engineering Mode App (this will be used in this article) or Mobile Uncle tools

2. Launch the MTK Engineering Mode App and  select MTK settings from the options

CDS information. Under CDS information, select Radio information.

Invalid IMEI error

4. Select phone 1 if your phone is a dual SIM phone and type AT+EGMR=1,7,”Your IMEI Number”  in the column provided and press Send AT Command

5. Repeat the same process and type ” AT+EMGR=1,10,”Your IMEI Number”, in phone 2 and click send command.

6. Restart your Android phone.

When your phone has successfully restarted then dial the phone IMEI finder code and your phone IMEI will be fully back and restored. With this, you should be able to start making calls and do other things with your phone having a correct IMEI number.

MTK is a play store Android app while mobile uncle tools is not a play store app. But you can find it in order stores like APK store. Meanwhile, you need to know how to install APK app on Android phone. To do that, go to your phone settings—>security—unknown source and toggle to enable it so you can install APK files like Mobile uncle.

Method 1 to Fix IMEI Error

This method requires a root access. For an Android phone without a root access, you should consider using the above steps. However, if you have rooted your phone or you can afford to grant a root access to your phone in order to reset your phone invalid IMEI to bring your phone back to life follow this procedure.

To make sure this works you must have your phone IMEI number written somewhere. Or you must have an access to your phone IMEI number so you can restore it.

1.  Download and install the Forum.XDA Mobile MTK write Tool zip

2. Launch the Mobile MTK write tool zip and enter  “Y” without a quote as a command and hits the enter button.

3. Enter your phone IMEI number and click the enter button. Repeat the IMEI number again in the popup and click enter as required.

4. In your mobile MTK create IMEI.bak file and copy the file to your device storage

5. Open Mobile Uncle APK app and import the IMEI.bak you stored on your phone device from the previous step.

6. Finally, restart your phone and the invalid IMEI error problem should disappear and your phone will start working fine again.

Meanwhile, Gadgetswright advises you not to utter anything in the MTK app as the app is very sensitive. However, if you are scared to edit the app and follow the simple instruction provided in this post, we advise you see a phone technician or an engineering to help you solve the phone problem.

We don’t take responsibility any further damage your level of novice may cause your phone as a result of finding a solution to Invalid IMEI error on your phone.

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About the Author: Adesanmi Franklyn

Don't get too busy looking at others achievement.... Start to build your own empire now! I love what I do for people know what I do, I do it for a reason. Killing boredom with music and racking my brain on what to write next.

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