How to make IMEI backup file with Mobileuncle MTK IMEI Write Tool

Suppose you forgot to take a backup of your IMEI number with Mobile Uncle Tools before flashing your android ROM. How will you make a "IMEI.bac" file to restore your IMEI number. Don't worry there is a software called Mobileuncle MTK IMEI Write Tool which you can use on your computer to make a backup file of your IMEI number manually. That is you have to put the IMEI number in the software with specific command. The whole process is fairly easy except the software language is in Chinese. So, today I am going to show you how you can use Mobileuncle MTK IMEI Write Tool to make "IMEI.bac" file. Download link is at the end of this post. 

How to use Mobileuncle MTK IMEI Write Tool to take backup of IMEI number

First of all run the program as administrator, otherwise it won't work. So, be careful about this. You will get the following interface.  It is quite impossible to understand its interface. Just press "Y" on your keyboard and hit enter.

 It is quite impossible to understand its interface. Just press "Y" on your keyboard and hit enter.

Now write your fist IMEI number without any space and hit enter. Then it will ask for your second IMEI number.

Type your second IMEI without any space and hit enter. The software interface will be like this: 

Again press enter and your desired backup file will be created in the software directory folder as "IMEI.bac". Copy this file in your phones SD card, don't rename it and don't put this file in any folder. 

Now launch mobile uncle tools and backup your IMEI number. See this post for how to restore IMEI number. Your Invalid IMEI problem is now solved.

If you need this software comment below, I will give you download link.

See my You-tube video for step by step tutorial :-

Click here to download Mobileuncle MTK IMEI Write Tool