Antminer S21 Imm.

	What's new?
	Specifications >

	Buying a S21 Imm.
	How to purchase >
	How to make payment >
	Use Coupon for Your Order >
	Shipping >

	Receiving my S21 Imm.
	Certificate of Conformity >
	Customs Clearance >

	Using my S21 Imm.
	Product Manual >
	Dos and Don'ts of a New Miner >
	How to set up >
	Maintain and Clean My Miner >
	Normal Operating Temperature >
	How to reset miner to factory settings >

	Troubleshooting
	Cannot be Powered on >
	Cannot Connect to Internet >
	Cannot Detect IP of Miner >
	Cannot Connect Mining Pools >
	Miner has no mining program >
	Reloading Firmware >
	Reset Miner to Factory Settings >
	Fan Speed Low or Not Spinning >
	Temperature Lower or Higher Than Normal >
	Shutting Down the Miner >
	All Other Technical Questions >

	Repair my S21 Imm.
	Check Your Warranty >
	Read Our Repair Guide >
	FAQ about Preparing for RMA >

If you have any questions, please feel free to contact BITMAIN Customer Support.

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