Mi Home has launched the most unsuccessful翻wall man in history...
(Note: "翻墙" can refer to bypassing internet censorship, but in this context, it might be a playful or specific term that may need clarification. If it's a creative or humorous expression, more context could help refine the translation.)
If "翻墙" is meant humorously or creatively, an alternative could be:
"Mi Home presents the most clumsy wall-scaler ever..."