If I purchase an unlocked phone from somewhere else would Metro pcs be able to turn it on so I can use it? Even if it's an unlocked iPhone?

If I purchase an unlocked phone from somewhere else would Metro pcs be able to turn it on so I can use it? Even if it's an unlocked iPhone?

Unlocked phones can generally be used on any network.

Only potential issue could be getting a phone that's not compatible with the bands the network uses, in particular if importing from abroad or if your network uses bands not common in your country.