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I figured out what I was doing wrong with checksum, I was using MD5 instead of SHA256. The checksum on the IMG matches. I've tried to create an ISO on the micro SD using Etcher but it doesn't seem to be working. I've tried on a sandisk 8gb and a Kingston 16gb with no luck. There doesn't seem to be any settings in Etcher to change. I read that I have to make sure the image is on the whole disk not sure how to do that.

hi

i had same issue as wttbs miner went off line, the reboot option i dont think works, does not reboot device, had to do power cycle
was working ok for two day's and seems ok now to litecoinpool