You can perform a backup using specialized professional tools:
When your IMEI is null ( *#06# shows blank) or Wi-Fi is dead, follow this recovery process. Redmi Note 8 Pro Nvdata Nvram Backup File
To appreciate the backup file’s importance, one must first understand the roles of Nvdata and Nvram. You can perform a backup using specialized professional
⚠️ Using another phone’s NVData backup is considered IMEI cloning, which is a criminal offense in most countries. This guide assumes you are backing up or restoring your own data. This guide assumes you are backing up or
: Necessary to bypass the MediaTek authentication (Auth) when using SP Flash Tool on the Redmi Note 8 Pro Method 1: Using SP Flash Tool (No Root Required)
NVData is a partition on MediaTek devices (like the Helio G90T) that stores:
This method uses the "Readback" feature to pull the raw partitions directly from the MediaTek chipset. Load Firmware SP Flash Tool and load the official Scatter file from a fastboot ROM for your device. Find Partition Addresses : Open the scatter file in a text editor. Look for to find their Linear Start Address Partition Size Readback Setup tab and click Double-click the new row to name the file (e.g., Enter the specific Start Address (Partition Size) found in step 2. Repeat this for the partition. Bypass Auth MCT Bypass Tool . Power off your phone, then hold Volume Up + Volume Down while connecting it to the PC via USB. Start Backup