Right-click on ( part01.rar ) using a tool like WinRAR or 7-Zip .
: Verify the filename matches what is expected for your board; some versions require renaming the file to allupgrade_5522_sos.pkg to trigger a recovery. 3. Installation Procedure Download MT5522S PC822 3840x2160 Telefunken part04 rar
: Use a high-quality USB flash drive and format it to FAT32 . Right-click on ( part01
Select . The software will automatically pull data from all other parts (including part04 ) to create a single usable file, typically ending in .pkg or .bin . 2. Prepare the USB Drive part01.rar through part04.rar ).
Large firmware files are often split into multiple parts (e.g., part01.rar through part04.rar ).