CHANGE - REPAIR - RESTORE IMEI OF MTK DEVICES

People often face a problem with no network detection on their device which might be due to loss of imei on their device. Some just want to change it for a different purpose. So if you fall in any of this category this tutorial is for you.
To check your imei, dial *#06#.
The following easy steps below will teach you how to RESTORE or CHANGE your imei using your pc.

Note. 

Changing of imei is prohibited in some countries.

This Works only on MTK Devices.

Your phone must be rooted before you can do this. learn how to root your device from here

Download Android ADB Drivers here
Download MTK Droid Tools from here.
Extract the file and launch MTKdroidTools

Now turn on USB Debugging by going to Settings > Developer Options > Turn on USB Debugging. On new models goto Settings > About - hit build Number 7 times. you will see you are now a Developer. Go back and select Developers Option then turn on USB Debugging mode.

Connect your phone to your PC with a USB.
MTKdroidTools will dectect the phone.

Now press the ROOT button present in lower right corner. When it asks Supersu grant in your mobile click allow. After MTKdroidTools gets access to the phone should see a green colour box appearing in the lower left corner.

Now Click IMEI/NVRAM

A new dialogue box appears. Input the new imei inside the boxes. imei 1 for Sim 1 and imei 2 for Sim 2. Now click Replace IMEI.

Congrats! you have successfully change/replace your imei.

This same thing can be achieved using Mobile Uncle tools on your Device. I will post a tutorial about that soon.