One for all means one tester can test S9 T9+ S9K S9 SE S11 S15 T15 S17 T17 S19 T19 S19 pro all of them.
We will provide English repair guide for free.
（Important notice: Once flashed 19 series firmware, the board will be locked, can`t switch to test other models any more）
This is a special product, please note that there is no after sale service of this device, no refund or return. Please think carefully before buy.
Here to orderpower supply.
Refit heat sinks of Antminer S17 series miners to save repair cost
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