MTK based cpu devices Unknown baseband, Invalid imei, null imei, network service solution here

MTK based cpu devices Unknown baseband, Invalid imei, null imei, network service solution here

Download Link

MTK droid root & tool download here

NVRAM file for MTK 6572 CPU download here

NVRAM file for MTK 6575 CPU download here

NVRAM file for Walton primo c3 download here

About this Tutorial:

This tutorial tested by gsm mithun roy and also this tutorial by him. This tutorial you can use when your device baseband unknown, your device Invalid imei, your device in null imei, your device in network service then you can following this tutorial it's very is you to do here also step by step still image picture tutorial or also put here video tutorial but must first read carefully tutorial after following because this is not done mostly technician who working in software related, and also must remember your device enable usb debugging, also your device rooted, must installed adb driver in your computer or laptop now let's go how to repair baseband to above link cpu devices.

Required:

1. MTK droid root & tool
2. NVRAM file for repair
3. Must device rooted
4. Installed adb driver
5. Micro USB cable
6. Computer or Laptop

Procedure:

1. Download above required file from above link
2. Download tool from above link
3. Open MTK droid tool
4. Attach device
5. Wait until read device in MTK droid tool
6. After read device then your device baseband unknown, imei null see below image

7. Now click on IMEI/NVRAM fill legally imei number and click on Restore button see below image

8. Choose nvram folder and choose current file you want to repair baseband
9. You are done

Baseband unknown or imei repair done screenshot:

Tutorial by : gsm mithun roy
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