firebreak

firebreak unlocks an Echo Dot (2nd Generation) over USB, moves it between amonet targets, or returns it to stock. Run it again with another target to move the device. A stopped run picks up where it left off.

Unlocking a stock Dot needs amonet-biscuit-v2.0.1.zip, which amonet publishes only on its XDA thread. A run downloads it unattended. If that fails, the run says so and opens your browser for the thread instead, because the thread itself refuses an unattended download. Either way the zip is checked against a pinned hash. Moving an already-unlocked Dot between targets needs that zip too, because the run checks the bootloader against the copy in it, and so do the runs that go through the Dot’s bootrom: firebreak bootrom, a resume after boot0 was erased, and stock 5.5.0.3.