Whatsminer M21 Firmware Download - 9 versions
Whatsminer M21 is a Whatsminer ASIC miner from the M20 series, manufactured by MicroBT for SHA-256 (Bitcoin) mining. Our archive holds 9 firmware versions for this model, with the most recent release dated 2022-09-19 and the oldest dating back to 2020-06-11.
Overview (latest) REL 2
★ Recommended for Whatsminer M21
Whatsminer-M2x-all-20220919.15.bin
REL normal h3 · v20220919.15.REL · 2022-09-19 · 18.2 MB
⬇ Download 18.2 MB Recent releases (showing 6 of 9)
20220919.15.REL REL normal h3
2022-09-19 · 18.2 MB
20220422.17.REL REL normal h3
2022-04-22 · 18.2 MB
20210602.22 full
2021-06-02 · 20.9 MB
20210520.22 full
2021-05-20 · 20.9 MB
20210520.22 full h3
2021-05-20 · 20.7 MB
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Other miners in the M20 series:
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