Ten64 Recovery Build "v0.8.8/391492492_2021-10-20"

To update your recovery firmware, boot into your existing recovery firmware,
copy or download recovery.itb and run:

mtd erase recovery && mtd write recovery.itb recovery

For more information on the recovery firmware, please see
https://ten64doc.traverse.com.au/software/recovery/
and
https://gitlab.com/traversetech/ls1088firmware/recovery-ramdisk