Fix IMEI

This file is hosed on irisbuddies.blogspot.com

To fix Invalid IMEI

1.  flash back stock or any rom which works fine to restore IMEI.
    then in your ported rom take below folders form working rom and replace them in port rom.
    just copy and paste the folders in ported ROM and replace any existing files dont delete folder or any file.
    and flash again.
     1.Replace "system\etc\firmware\"  (folder)
     2.Replace "system\etc\wifi\"  (folder)


2.  Restore IMEI with MTK Droid Tools


3.  Third is not professional way but it works anyway (USE FX File Explorer to do this it will be easier with that.)

     1. Restore stock or any rom which is working perfectly

     2. Root your device.

     3. go to root\data and find NVRAM folder. Copy this folder and keep it somewhere safe on your SD card.

     4. then flash the ported rom, in which imei is not working, root it.

     5. Copy the NVRAM folder which you have saved previously.

     6. Again go to root\data  then paste the NVRAM folder copied previously. overwrite any file if it says file already exist

     7. Wait few seconds and your SIM card should be detected altogether with your baseband.

     8. Restart your phone to confirm SIM card is working.