What do I do when my iPhone apps arent updating, or if I want to download something, I can't

What do I do when my iPhone apps arent updating, or if I want to download something, I can't

Switch to android

It depends what iPhone you are using and what version of IOS you have and how much space you have left. What sort of things are you wanting to download? Normally most downloads are done through iTunes (videos, music etc), iOS tends to be fairly restrictive otherwise.

Try turning off/on your Wi-Fi/data.