: Ensure the file name matches your board's chipset (often MediaTek or MSTAR in IRIS SAT models).
Once you have the merged file from the RAR parts, follow these steps using your programmer software: How to reprogram EMMC memory Download IRIS SAT 42E790S EMMC Backup part2 rar
: Use a tool like WinRAR or 7-Zip to extract the files. You only need to right-click on Part 1 and select "Extract Here"; the software will automatically pull data from Part 2 and subsequent parts to recreate the original large image. 2. Required Hardware Tools : Ensure the file name matches your board's