A:AnswerJust plug your phone to the laptop. If you are using a older iPhone like the Xr or later or an Android you will need and adapter. They are about 80$
A:AnswerHey I recently ordered a case off of amazon and wasn’t paying close attention so I overestimate a case for a MBP instead of an MBA. When ordering just make sure it says Air and not Pro.
A:AnswerNot much of a difference. One is tested the other isn’t. It could be a manual missing or something simple. You can use their faq page for detailed info