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Welcome to 123Miners

Thank you for visiting our E-commerce experience. We are looking forward to serve you as a valued client. We suggest that you get to know the Team and study “Read before buying“.  Still have questions? Don’t hesitate to contact Support.

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Whether you are new to crypto mining or have some experience, we have the best crypto mining experts & industry partners to help you on your way Talk to an Expert or download the Beginners guide.

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*NOTE: Ensure your miner is operating with the latest Bitmain official firmware


  • The hashrate shown on the miner status is normal but low hashrate shown in the pool.

Solution: upgrade the latest firmware:

https://service.bitmain.com/support/download?product=ANTMINER%20Z11

How to reload or upgrade firmware>

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  • High Rejected Rate

Solution: Upgrade the latest firmware. If the fault persists, check whether the bandwidth is insufficient. You can also check whether the LAN switch device is normal.

  • Asic Status Shows X

Solution: Replace with a good known PSU to test. Please use Bitmain PSU and we recommend APW7.

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  • Frequency is Lower Than Normal

Solution: Z11 is auto-frequency miner and the frequency should be above 700. If you come across lower frequency, please reset the miner and return to the factory setting. Wait for about 20mins.

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