How to Fix WiFi and Bluetooth Issues on Redmi Note 11 Pro 5G (Veux) with QCN File
How to Fix WiFi and Bluetooth Issues on Redmi Note 11 Pro 5G (Veux) with QCN File
The Redmi Note 11 Pro 5G is a powerful smartphone that offers a stunning 120Hz AMOLED display, a Snapdragon 888 processor, a 108MP main camera, and a 5000mAh battery with 67W fast charging. However, some users have reported facing WiFi and Bluetooth issues on their devices, such as not being able to connect to networks, low signal strength, or frequent disconnections. These issues can be caused by various factors, such as software bugs, hardware defects, or corrupted QCN files.
QCN stands for Qualcomm Calibration Network, and it is a file format that contains network-related data of a device, such as IMEI number, baseband version, MAC address, serial number, etc. These data are essential for the proper functioning of the cellular and wireless connectivity of the device. If the QCN file gets corrupted or modified, it can lead to network problems, such as invalid IMEI, unknown baseband, or no service.
Fortunately, there is a way to fix these issues by restoring the QCN file on the Redmi Note 11 Pro 5G using some tools and steps. In this article, we will guide you through the process of backing up, editing, and restoring the QCN file on your device, and repairing the IMEI number if needed.
Disclaimer
Before proceeding, please note that flashing or changing the IMEI number is illegal in some countries. Check with the laws of your country before doing anything else. Also, this guide is intended for educational purposes only. We are not responsible for any damage or data loss that may occur on your device. Proceed at your own risk.
Requirements
To fix the WiFi and Bluetooth issues on your Redmi Note 11 Pro 5G, you will need the following:
- A Windows PC with QPST Tool and Qualcomm QCN Rebuilder Tool installed. You can download them from respectively.
- A USB cable to connect your device to the PC.
- A backup of your data, as this process may wipe your device.
- A QCN file for your device. You can either use the one that we have provided, or you can backup your own QCN file using the QPST Tool.
- Enable USB debugging and OEM unlocking on your device. To do this, go to Settings > About phone and tap on MIUI version seven times to enable developer options. Then, go to Settings > Additional settings > Developer options and enable USB debugging and OEM unlocking.
Download: QCN FILE REDMI NOTE 11 PRO 5G
Steps to Fix WiFi and Bluetooth Issues on Redmi Note 11 Pro 5G
Once you have met all the requirements, you can follow these steps to fix the WiFi and Bluetooth issues on your device:
1. Flash the engineering ROM on your device. This is a special firmware that allows you to access the diagnostic mode and the QCN file on your device. You can download the engineering ROM from [here](^3^) and flash it using the QFIL Tool. You can follow the instructions from [here](^1^) to flash the ROM.
2. Run the QCN Rebuilder Tool on your PC and select the QCN file that you want to use. If you are using the one that we have provided, you can skip this step. If you are using your own QCN file, you can edit the IMEI number and other details according to your device. Then, click on Rebuild and save the new QCN file.
3. Connect your device to the PC using the USB cable and reboot it into the bootloader mode. To do this, open a command prompt on your PC and type the following commands:
adb reboot bootloader
4. Erase the modemst1, modemst2, fsc partitions on your device. These partitions store the QCN file and other network-related data. To do this, type the following commands in the command prompt:
fastboot erase modemst1
fastboot erase modemst2
fastboot erase fsc
5. Flash the modemst1, modemst2, fsg, and fsc partitions on your device using the files from the engineering ROM. To do this, type the following commands in the command prompt:
fastboot flash modemst1 modemst1.img
fastboot flash modemst2 modemst2.img
fastboot flash fsg fsg.img
fastboot flash fsc fsc.img
6. Reboot your device normally and enable the diagnostic mode. To do this, open a command prompt on your PC and type the following commands:
adb shell
su
setprop sys.usb.config rndis,diag,adb
7. Run the QPST Tool on your PC and go to the Restore tab. Select the new QCN file that you have created and click on Restore. This will restore the QCN file on your device and fix the WiFi and Bluetooth issues.
8. Reboot your device and check if the WiFi and Bluetooth are working properly. You can also check the IMEI number by dialing *#06# on the dialer app. If everything is fine, you can flash the stock ROM on your device using the QFIL Tool.
Conclusion
This is how you can fix the WiFi and Bluetooth issues on your Redmi Note 11 Pro 5G using the QCN file. We hope this article was helpful for you. If you have any questions or suggestions, feel free to leave a comment below.
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