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Antminer T21 firmware compatibility check

Check firmware source, version, rollback plan and pool compatibility for Antminer T21.

Updated: 2026-07-24 · Source-checked

Quick answer

Record the current version and export settings before any change.

Safe sequence

  1. Verify source
  2. Export settings
  3. Test one unit
  4. Watch temperatures

Check

Never install an unknown image on an entire fleet.

Questions

Stock and custom firmware differ by model.

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Sources and review date

Checked 2026-07-24. Always verify current values in official documentation.

https://support.bitmain.com/hc/en-us/articles/18237912339097-Troubleshooting-and-solutions-for-ANTMINER-failureshttps://support.viabtc.com/hc/en-us/articles/7207443757967-Start-Mining