How to Fix Invalid IMEI Permanently.


IMEI simply means International Mobile Equipment Identity. It is the unique serial number of every GSM mobile cell phone. Its serial number is usually 15 digits and it is used by networks to identify valid phones and block stolen or blacklisted phones from accessing the network.

After doing a hard reset or factory reset on your phone, your phone starts showing invalid IMEI without even dialing the *#06# code.

The next thing on your mind is how to fix your IMEI cos without it, you can’t make any call but can receive calls and also you’ll be having problem of sending SMS to your family and friends.

How to Fix Invalid IMEI
There are different methods of fixing Invalid IMEI but I’m going to show you the easiest method so far.

How to Fix Invalid IMEI Using Mobile MTK Engineering Mode
1) Download Mobile MTK Engineering mode here

2) If you don't know or can't find your phone's IMEI, you need to install BB IMEI Generator to enable you generate one for you. If your phone has dual sim support, you'll need two IMEIs. Also note the generated BB IMEI.

Note: You can also get your IMEI by checking your battery (the label at the bottom right hand corner).
The first IMEI is for Phone 1 and the Second IMEI is for phone 2

3) Open the Mobile MTK Engineering Mode app, click on MTK Settings Connectivity CDS Information Radio Information Phone 1.


   
4) At the AT+ line:
Enter AT+EGMR=1,7,"ENTER-IMEI-HERE", then tap on 'Send AT Command'. If you have a dual SIM phone, enter AT+EGMR=1,10,"ENTER-IMEI-HERE" then tap on 'Send AT Command' again.
If not allowed, Use
AT +EGMR=1,7,"ENTER-IMEI-HERE", then tap on 'Send AT Command'. If you have a dual SIM phone, enter AT +EGMR=1,10,"ENTER-IMEI-HERE" then tap on 'Send AT Command' again.


Note: The quotes are included and there should be a space after AT.
You should get a notification that the AT Command(s) were successfully sent. Restart your device, this will help fix the 'Invalid IMEI' notification .

This solution works even without getting notification and also copy and paste causes Mobile MTK Engineering Mode crash.

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