FIRMWARE STOCK BITMAIN

Bitmain has closed the ability to install third-party firmware starting from March 2024,
you need to downgrade the factory firmware to an earlier version in order to install the
VNISH firmware

Write SD image bitmain.

ATTENTION: For series 21 we use the file unlock_2024, for L9 the file UNLOCK L9

Download firmware for your model and control board.

1. You must use a flash drive or SD card with a capacity of up to 16GB and must
format it in FAT32 format. It is not recommended to use an SD card with an OTG
adapter for AMLOGIC control boards instead of a flash drive .
2. Unpack the archive for your type of control board into the root of the flash drive (
SD card).
3. Connect an SD card or OTG adapter with a flash drive to the turned off miner .
4. Turn on the power of the miner and wait for the green LED on the front panel to
light up (and remain constantly lit) miner This will mean that the firmware process
was completed successfully. This process takes no more than one minute.
5. Turn off the power of the miner and remove the SD card or OTG adapter with a
flash drive from the control board.
6. Turn on the power of the miner and wait for it to load, then use HASHCORE TOOLKIT  install Vnish firmware.