Libretech-flash-tool [top]

Depending on your comfort level with the command line, you can choose between the Graphical User Interface (GUI) method or the Command Line Interface (CLI) method.

sudo ./flash_spi.sh -r backup_spi.bin

: It enables you to use an MBR partition layout or completely separate your boot partition from the OS drive. You can keep a small MicroSD card loaded solely with the bootloader to run heavy operating system configurations out of an external USB hard drive or NVMe SSD. libretech-flash-tool

Using the command line, the bootloader must be written to explicit sectors at the beginning of the drive, leaving the primary data partitions intact: Depending on your comfort level with the command