If you want to stay within the Xiaomi ecosystem, these are your best options:
You have uninstalled the old Mi PC Suite, but your Mac still doesn’t see your phone. Try these fixes: Mi Pc Suite For Mac Download
Let’s address the elephant in the room. Officially, If you want to stay within the Xiaomi
Xiaomi and Google recommend this for basic file management. It is the closest direct replacement for Mi PC Suite’s file explorer. Mi Pc Suite For Mac Download
If you fear losing data during a HyperOS update, dr.fone is the most reliable paid tool.