How to Repair Null IMEI number on Redmi 9 (Lancelot)

Are you a Xiaomi Redmi 9 device user and facing issues with the invalid IMEI or unknown IMEI baseband? Then don’t worry. We got you covered. Here in this guide, we’ve provided the full guide on how to repair unknown IMEI baseband on the Redmi 9 (Lancelot) device easily.

Now, talking about the IMEI (International Mobile Equipment Identity) number, it’s a unique 15-digit code that precisely identifies the device model whether you’ve used a SIM card or not. It’s worth mentioning that each and every IMEI number is unique and individually assigned to each and every mobile phone worldwide. You can also check the IMEI number on any phone by typing the *#06# on the dialer or Phone app.

We all know that a SIM card can be changed easily from a mobile phone. Therefore, the IMEI number comes in handy to track any particular device across the globe. Now, if you want to use a mobile device to use a SIM then it’s necessary to work the IMEI number properly. Meanwhile, the IMEI number can get corrupted or invalid, or null while flashing any third-party firmware or any custom file on your device. Therefore, you should fix that issue for your Redmi 9 model.

Redmi 9: Device Overview

Redmi 9 features a 6.53-inch full-HD+ display with 1,080 x 2,340 pixels resolution. it’s a waterdrop style notch, a 19.5:9 aspect ratio, and a 394ppi pixel density. The phone has 400nits brightness and comes with Corning Gorilla Glass 3 to guard it against scratches.

The phone is powered by a MediaTek Helio G80 octa-core 2 GHz SoC, paired with Mali-G52 GPU and up to 4 GB of RAM. The Redmi 9 supports AI Face Unlock, alongside a rear fingerprint sensor for security and straightforward access. Sensors included are distance sensor, vibration motor, ambient light sensor, accelerometer, and electronic compass. It runs on an Android-based company’s proprietary MIUI.

In the camera department, the Xiaomi Redmi 9 on the rear packs a 13-megapixel primary camera with an f/2.2 aperture; a second 8-megapixel camera with an f/2.2 aperture; a 3rd 5-megapixel camera with an f/2.4 aperture and a fourth 2-megapixel camera. It sports an 8-megapixel camera on the front for selfies, with an f/2.0 aperture.

It has a 5,020mAh battery with 18W Quick Charge 3.0 fast charging support. The smartphone ships with a 10W charger inside the box. The phone is out there in 32 GB and 64 GB of internal storage options which are expandable via a fanatical MicroSD card slot.

Connectivity options included on the phone are Wi-Fi, Wi-Fi Direct, FM Radio, Bluetooth v5, NFC, GPS, AGPS, 3.5mm audio jack, USB Type-C port, and infrared sensor. The dual-sim smartphone supports nano-sim and 4G Volte connectivity.

Steps to Repair and Fix IMEI number on Redmi 9 (Lancelot)

Here you will get an easy guide to repair and restore the IMEI number on your Redmi 9 device by using the QCN Rebuilder Tool. This tool is free of cost and easy to use even if you’re new to this process. Now, before heading over to the guide, let’s follow all the requirements and download links below.

Now, let’s check out the download links and requirements below.

Pre-Requirements:

• This guide and QCN file are for the Redmi 9 model only.
• Your device should be charged up to 50% at least.
• A PC/Laptop and a USB cable are required.
• Keep a full backup of the device data before doing anything.
• Enable USB Debugging. Check the video guide.
• Download all the files and tools from above.

IMEI Rebuilding and Restore Guide

• After downloading, install and run the QCN Rebuilder tool on your PC.
• Click on Open file and select the Redmi 9 QCN file.
• Now, replace the IMEI with the original IMEI number.
• Click on Rebuild.
• Next, connect your phone to a PC using a USB cable.
• Open dial pad on your device and type this code *#*#717717#*#* to enable diagnostic mode.
• If the above code doesn’t work, use CMD on your PC by following the commands below.

adb shell
su
setprop sys.usb.config rndis,diag,adb

• Then run the QPST tool on your computer.
• Click on the Restore tab > select the rebuilt QCN file > click on Restore.
• You’re done.

That’s it, guys. We hope you’ve found this guide useful for your Redmi 9. If you’re facing any issues, feel free to ask in the comments below.