[5e92cb50239222b]

Modern Samsung SSDs support online updates. Here's SMART from mine:

  Firmware Updates (0x16): 3 Slots, no Reset required

Same thing as BIOS flashback in modern motherboards. Flash it and reboot, if anything is broken it'll roll back (hopefully).

[ajb]

Ok that makes more sense. TBH I would still boot from a USB stick though. But it makes sense they would implement that, why make ordinary users need to do that. After all, you might need to deploy a security patch these days without user intervention.