While the exact contents can vary by version, a standard .tgz archive for this platform typically includes:
: The "sd" in the filename indicates that this archive is designed to create a bootable recovery SD card. When a device's internal eMMC memory is corrupted or blank (a "bricked" state), the processor can be forced to boot from an SD card containing these specific files. recovery_sd_s410.tgz
: It contains the bootloader components (such as sbl1 , aboot , tz , and rpm ) and the partition table necessary to re-initialize the device hardware. While the exact contents can vary by version, a standard
: A configuration file that tells the flashing tool how to divide the internal storage. : A configuration file that tells the flashing
: Inserting the card into the device and setting the onboard DIP switches (on boards like the DragonBoard 410c) to "SD Boot" mode.