(each letter shifted one key to the left on QWERTY):
: Use an online “keyboard shift cipher decoder,” try left shift, then adjust obvious typos (e.g., m→y, n→b) manually until you get an English phrase. thmyl brnamj kalboard
I’ll instead decode by shifting on QWERTY: (each letter shifted one key to the left
Given the complexity, I’d say the intended phrase is likely or "the new brown keyboard" depending on a consistent shift pattern plus a couple of manual corrections. ” try left shift