HOW TO REPAIR INVALID IMEI/CHANGE IMEI ON MTK DEVICES USING MTK ENGINEERING MOD

1.Copy both M_IMEI And S_IMEI numbers and write it on notepad or anywhere.

2.DOWNLOAD and install MTK ENGR MOD apk.

3.Open and select MTK Settings.

4.Go to connectivity then CDS information.

5.Go to Radio information then phone 1.

6.You will see AT+ and at bottom send command

 
7.Click on AT+ and retype AT+ automatically u will see AT+EGMR=1,7"" and other options.

8.Select AT+EGMR=1,7"" and type M_IMEI number in inverted comma's.Like this AT+EGMR=1,7"3577xxxxxxx"

9.Click on send command
 It will show (command is msent).

10.For Sim 2 select AT+EGMR=1,10"".

11.Type S_IMEI then send command.

12.If command is msent reboot your phone.