'Give One, Get one' buy one get one free upgrade program
So currently I see all the BOGO deals on phones, and there seems to be a discrepancy in the descriptions. In most places, I'm seeing 'Give one, get one' as either buying or upgrading phones via ATT Next, which require you to add a line to obtain the free phone. I have 2 existing lines that have the 'Give one, get one' promo, and these do NOT specify that you have to add a line. I'd be willing to ATT Next both lines up with current models to get that deal, but by the time I get to checkout, it does seem to indicate that you have to add a line to get the deal, at least by the path of clicks I got there.
SO I assume the BOGO is ONLY if you add a new line, but wanted to be 100% sure before I go about any upgrading and accidentally leaving up to like $1k of hardware cost on the table..