Users who accept the free line will have to Bring Your Own Device (BYOD) and note that promotional limitations will apply to that free line. Redditors mention that the free line that you take will never qualify for a free phone, an upgrade, or other promo. And if you were wondering, no, you cannot replace an existing paid line with this new free line. You can cancel a paid line after a year, though, so it may be worth accepting the free line now and taking action on the paid line a year later (you were going to pay for it anyway), presuming you can stomach the taxes on the free line until then. How to verify that the free line you accepted is indeed free If you are trying your luck with representatives, it is important to verify that the line you received is indeed free, as representatives have been mistaken about free line promos in the past.