After more than 15 years covering everything Apple, it’s with a heavy heart we announce that we will no longer be publishing new content on iMore and the iMore forums will be closing as of November 1st, 2024.
i would order through verizon and do the transfer upgrade, if you order through her line it would add a data plan if she doesnt have one already and would be more of a hassle to fix, but you could do that and just activate on your line
no unlocked version up for pre-order, you could buy your respective carrier's version full price and afterwards ask for an unlock which they should do since it was purchased unsubsidized