Is a firmware upgrade necessary? Bella September 19, 2022 09:30 Updated No. If your miner is working normally, the firmware upgrade isn’t necessary. Related articles Is my firmware the latest version? Where can I find the history versions of firmware? Can I update the firmware of MINI DOGE to MINI DOGE PRO and make it work like a MINI DOGE PRO? After an upgrade, if the miner doesn't work normally, what should I do? My Reject rate is so high/higher than 5%, what should I do? Comments 0 comments Please sign in to leave a comment.