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How to Restore IMEI/ NVRAM data using ADB Fastboot Now open your File Explorer and navigate to C: – nvbackup – and you should find the NVRAM.img file here.Enter the following command on your Command Prompt Window to backup IMEI/ NVRAM.ĪDB.exe shell su -c “dd if=/dev/nvram of=/data/local/tmp/nvram.img bs=5242880c count=1?ĪDB shell su -c “chmod 0777 /data/local/tmp/nvram.img”ĪDB.exe pull /data/local/tmp/nvram.img c:\nvbackup\nvram.img.How to Backup IMEI/ NVRAM data using ADB Fastboot Now go back to the Settings and tap on Developer Options and enable USB Debugging. You can enable it by simply going to your Settings > About Phone > tap on the Build Number 7 times. Make sure you have the USB Debugging enabled on your Device.Now, on your PC, open the Command Prompt Window by pressing Win + R key and entering cmd.First of all, connect your Android Device to your PC via a USB Cable.Note: You need to have ADB Fastboot Installed on your Device, you can follow our guide on How to Install ADB and Fastboot on Windows. Now, let us take a look at our next method to Backup and Restore IMEI/ NVRAM data on Mediatek Chipset Android Device, should we? That’s it! You have successfully restored your IMEI/ NVRAM Backup.Once the flashing process is completed, disconnect your Android Device and turn it back on.Now, turn off your Android Device and connect it to your PC via a USB Cable.Select the Scatter file for your Device.Rename the file from none to NVRAM.img and is_download: as from False to True.How to Restore IMEI/ NVRAM data using SP Flash Tool Once the process has been completed, you’ll get the Backup File, NVRAM.img in the selected folder.Wait for the reADBack process to get completed.Now, Connect your Android Device to your PC via a USB Cable.

Click on OK button and then click on the Read Back.

Now, enter the previously noted down “physical_start_addr:” and the “partition_size:” values into the Start Address and the Length text fields respectively.

Here, choose any folder where you like to have your Backup File and click on save.

Now, click on Add and double-click on the created file.

Select the Scatter file for your Device and click on ReADBack.

Now, note down the values of “physical_start_addr:” and the “partition_size:”.

Open your Scatter File and search for NVRAM.

How to Backup IMEI/ NVRAM data using SP Flash Tool

Now, make sure you have the drivers for your Android Device installed on your PC.

If you don’t have an SP Flash tool, then you can take a look at our post on Download SP Flash Tool (SmartPhone Flash Tool) For MediaTek Device

First of all, you need to have the SP Flash Tool on your Windows PC.