I bought a new Iphone on ebay and want to know how to activate it
Can I just put my Telstra sim card in and use the phone just as a phone?
iPhone XS
Question marked as
Yes, as long as the previous owner reset it properly→What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support
If when you first turn it on if it does not display “Hello” in multiple languages the phone is not new, and the chances are pretty good that you have been scammed, and the phone will be unusable→The All Too Common SAD Reality of Buying a Used iPad/iPhone