: 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
: If you choose to desolder the chip, you will need a BGA153/169 adapter. 3. Restoration Procedure Download IRIS SAT 42E790S EMMC Backup part2 rar
: Ensure the file name matches your board's chipset (often MediaTek or MSTAR in IRIS SAT models). : Use a tool like WinRAR or 7-Zip to extract the files