Nvram Huawei Tag L32

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How to backup and restore NVRAM on Huawei GR3 TAG-L32

NVRAM (Non-Volatile Random Access Memory) is a type of memory that stores important data such as IMEI, WiFi and Bluetooth MAC address, serial number, and other calibration settings on your Huawei GR3 TAG-L32. If you lose or corrupt your NVRAM data, you may face problems such as invalid IMEI, network issues, or bootloop. Therefore, it is advisable to backup your NVRAM data before flashing any custom ROM or firmware on your device.

In this article, we will show you how to backup and restore NVRAM on Huawei GR3 TAG-L32 using SP Flash Tool. SP Flash Tool is a software that can flash firmware, recovery, and other files on MediaTek devices. You will need a Windows PC, a USB cable, and some drivers and files to perform this process.

Prerequisites

Download and install SP Flash Tool on your PC.

Download and install MTK USB Drivers on your PC.

Download Huawei GR3 TAG-L32 official firmware and extract it on your PC.

Enable USB Debugging and OEM Unlocking on your device. To do this, go to Settings > About phone > Tap on Build number 7 times > Go back to Settings > Developer options > Enable USB Debugging and OEM Unlocking.

Backup your personal data on your device as this process will erase everything.

How to backup NVRAM on Huawei GR3 TAG-L32

Launch SP Flash Tool on your PC and click on the Download tab.

Click on the Scatter-loading button and browse to the folder where you extracted the firmware. Select the MT6753_Android_scatter.txt file and click Open.

Uncheck all the boxes except NVRAM under the Download section.

Click on the Download button and connect your device to the PC via USB cable while it is powered off.

The tool will detect your device and start backing up your NVRAM data. You will see a green circle with a check mark when it is done.

Disconnect your device and close the tool. You have successfully backed up your NVRAM data. You can find it in the same folder as the scatter file with the name NVRAM.bin.

How to restore NVRAM on Huawei GR3 TAG-L32

Launch SP Flash Tool on your PC and click on the Download tab.

Click on the Scatter-loading button and browse to the folder where you extracted the firmware. Select the MT6753_Android_scatter.txt file and click Open.

Uncheck all the boxes except NVRAM under the Download section.

Click on the Location column of NVRAM and browse to the folder where you saved your NVRAM backup. Select the NVRAM.bin file and click Open.

Click on the Download button and connect your device to the PC via USB cable while it is powered off.

The tool will detect your device and start restoring your NVRAM data. You will see a green circle with a check mark when it is done.

Disconnect your device and close the tool. You have successfully restored your NVRAM data. Reboot your device and check if everything is working fine. a474f39169