Custom Firmware ANTMINER S9, S9i, S9j

custom FIRMWARE (
no Fee from mining!) for download

Donation first, Download firmware after
Antminer S9, S9i, Sj Custom Firmware DOWNLOAD

  • Custom Firmware for: Antminer S9, S9i, S9j (all versions)
  • Bitmain Antminer S9 (12.5-13-13.5-14Th/s)
    Bitmain Antminer S9i (14-14.5TH/s)
    Bitmain Antminer S9j (14-14.5TH/s)
  • Version 2.02 - 2019-05-12!! (BigMiner Firmware without Fee from Mining!)
  • Efficiency: 40-45% (Better then Blissz firmware! Better then


  • UnOfficial Bitmain Firmware for Antminer S9, S9i, S9j noFee (From BigMiner)
  • Recommended, at your current firmware, set the miner frequency at 400mhz and set your fan speed manual at 25% before flashing.
  • Download the custom firmware. (dont unpack it)
  • Flash by going to "System" -> "Upgrade" -> "Flash new firmware image" and select the custom firmware.
  • After flashing, check the advanced settings page and start at the lowest voltage setting and 400mhz. From there increase your frequency to see how high you can go at the lowest voltage setting.
  • Start tweaking some more. See the profile suggestions below.


  • Please Donate: you can pay in BTC, BCH, LTC, ETH
  • You pay once - no additional charges (No Fee from mining!)
  • It can be applied to as many machines as you need.