1. Choose a Community:
I don't know what any of these are - I just want a simple answer !
2. iPhone: I can't even find the place that I can find "about my MAC" ? ? ? ?
3. iphone: and I need to find that page in order to find my serial nuimber.
4. so I'm totally lost !
Open your iPhone's Settings/General/About. Scroll down towards the bottom for the Serial Number.
This question really should have been asked in the iPhone Community.
I'm confused, do you want the serial no for a Mac ('About this Mac') or about your iPhone? If the former, the answer is on the page you came from:
Retrieving data ...