RedMagic 8S Pro(NX729J)– Cannot relock bootloader (fastboot “unknown command”)

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I’m trying to relock the bootloader on my RedMagic 8S Pro (NX729J) after unrooting and returning to full stock firmware, but I’m stuck.Right now my bootloader is unlocked, and I’m on the latest update (RedMagicOS 10.0.9 EU). I tried using:fastboot flashing lockfastboot oem lockbut both commands return “unknown command” in fastboot.I followed ChatGPT and some youtube video, but nothing worked. I also saw some YouTube videos where people were able to relock the...Read more