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how to recover after Failure of firmware upgrade

cws234

By cws234
in Other Accessories

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cws234

cws234

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Posted

Hi, 

 i need to help to solve my problem with SKR mini e3 v1.2 board.

 at the first, my printer is ender 3 with the board.

 i can't sense wrong compile enviroments when i was trying to upgrade firmware from 2.0.x to 2.1.2.

 Now, my ender is not operated. it is totally blocked... 

 Old firmwares, i used, can not help. perhaps, i need to reboot using Aduino Uno

 anyone give me a help to recover or upgrade my board?

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