How to Repair and Fix IMEI number on Redmi Note 9 Pro

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Are you a Xiaomi Redmi Note 9 Pro 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 Note 9 Pro (curtana) device easily. Redmi Note 9 Pro smartphone was launched in the year 2020. The phone comes with a 6.67-inch touchscreen, Snapdragon 720G chipset, 5020 mAh battery, 64/128 GB storage, and 6 GB RAM.

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 Note 9 Pro model.

Redmi Note 9 Pro

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Redmi Note 9 Pro: Device Overview

The Xiaomi Redmi Note 9 Pro sports a 6.67 inch IPS LCD display with a Full HD+ resolution. It has a screen to body ratio of 84.5 percent, it can blow up to 450 nits, an aspect ratio of 20:9, a pixel density of 395 Pixel Per Inch ( PPI ). It is protected by Corning Gorilla Glass 5 to the front and rear of the device. Further, it also has splash resistance and a plastic frame.

Underneath the new Note 9 Pro, it sports the latest Qualcomm Snapdragon 720G with 4GB and 6GB of RAM variants. It is also available in 64GB and 128GB of UFS 2.1 internal storage. Talking about optics, the Redmi Note 9 Pro has a quad rear camera set up with a primary 48MP sensor, 8MP secondary ultra-wide-angle sensor, 5MP tertiary macro sensor, and finally another 2MP depth sensor. To the front, it has a 16MP unit with an f/2.0 aperture value. This front camera sits inside the punch hole which the brand calls as the DotDisplay.

This new device from Xiaomi comes with a 5020 mAh battery and this charges over the USB type c port. This massive battery also supports 18W fast charging tech i.e. the QC 3.0 tech. The device is running on MiUi 11 which is based on the latest Android 10. It has a physical fingerprint scanner to the side and also has support for face unlock. Redmi still retains the headphone jack in this device and comes with a single speaker setup. Connectivity options include Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot. Bluetooth 5.0, A2DP, LE. GPS with A-GPS, GLONASS, GALILEO, BDS, NavIC, infrared port, FM radio. USB 2.0, Type-C 1.0 reversible connector. Other sensors include accelerometer, gyro, proximity, and compass.

Steps to Repair and Fix IMEI number on Redmi Note 9 Pro (curtana)

Here you will get the easy guide to repair and restore the IMEI number on your Redmi Note 9 Pro 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.

Download Files:

Pre-Requirements:

  • This guide and QCN file are for the Redmi Note 9 Pro 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.

Disclaimer:

Flashing IMEI manually is not legal in some of the regions. You should check with the law of your region about it. GetDroidTips only provides guides. You will be solely responsible if you proceed.

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 Note 9 Pro 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 Note 9 Pro. If you’re facing any issues, feel free to ask in the comments below.

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