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Forums/ 5G/4G Routers
By Linklenious 2025-10-11 12:00:20

TL-MR6400 v5.30 can't upload TP-Link's official firmware

So yesterday I made the same mistake the "red text" told me not to make before updating my firmware, ended up with a wrong version and the constant "Internal error: Code 1". Basically I think I instal