Antminer S21e Hydro — VNISH Firmware
Antminer S21e Hydro runs custom VNISH firmware from Miners Tools, built per control board for stable performance and advanced tuning. This page lists every VNISH build we host for Antminer S21e Hydro — one download per control board (aml (Amlogic), xil (Xilinx)) at version 1.3.4. Files are served directly from our CDN; pick the build matching your board and flash via the miner web interface.
Firmware downloads
| Control board | Version | Size | |
|---|---|---|---|
| xil Xilinx | 1.3.4 | 15.4 MB | ⬇ Download |
| aml Amlogic | 1.3.4 | 20.6 MB | ⬇ Download |
Which control board do I have?
VNISH firmware is built per control board. Pick the download matching the board inside your miner (aml — Amlogic, bb — BeagleBone, xil — Xilinx, cv — CVITEK). If unsure, open the miner and read the label on the control board, or check the stock firmware version in the miner web UI.
Miners Tools — open ASIC miner firmware archive.
Subscribe to our Telegram — archive updates, new firmware and teardowns.
Open Telegram