Firmware & documentation library

Restore stock Bitmain firmware & manuals.

This selector is also embedded in the Install section on the home page. Pick your Z-series miner for the exact factory files and step-by-step flashing instructions.

Your miner

All stock firmware archives (SHA-256 verified)

Every file under 25 MiB

File	Models	Size	SHA-256
`Z-Series-SD-NAND-Flasher-Root-20180824.zip`	Z15, Z15j, Z15e, Z11, Z9, Z9 Mini	14.89 MB	`0c85759140a72767…`	Download
`Z11-Z15-Step1B-NAND-Payload-bin-20190305.zip`	Z15, Z15j, Z15e, Z11	16.87 MB	`eb82e95b3f3e6316…`	Download
`Z15-user-800M-202007031139_6134.tar.gz`	Z15, Z15j, Z15e	17.10 MB	`c13e1b68376e6ef1…`	Download
`Z9-Step1B-NAND-Payload-bin-20190517.zip`	Z9	16.01 MB	`3743c278048e2233…`	Download
`Z9-Mini-Step1B-NAND-Payload-bin-20180526.zip`	Z9 Mini	19.06 MB	`4f7561ecd94e0e4b…`	Download
`Z15-C55-C52-Stock-4Files-20200703.zip`	Z15, Z15j, Z15e	17.12 MB	`dfa7fe60f0c2849e…`	Download
`Z11-C43-Stock-4Files-20190305.zip`	Z11	16.90 MB	`f1185aa8b10a0b3c…`	Download
`Z9-C43-Stock-4Files-20190517.zip`	Z9	16.02 MB	`546756879be2515e…`	Download
`Z9-Mini-C43-Stock-4Files-20180526.zip`	Z9 Mini	18.44 MB	`d44d39d18e376ff4…`	Download

Complete 1-file factory SD recovery card mirror (31.8 MB): Google Drive ↗

Manuals & bench verification reports (PDF)

12 documents