: Both lines had to be on a qualifying postpaid wireless plan, typically an Unlimited Plan .
: The credits were spread out over the entire length of the installment agreement (24 or 30 months). att buy one get one iphone x
: While the first iPhone could be an upgrade or a new line, the second "free" unit required activating a new line of service . : Both lines had to be on a
: Both lines had to be on a qualifying postpaid wireless plan, typically an Unlimited Plan .
: The credits were spread out over the entire length of the installment agreement (24 or 30 months).
: While the first iPhone could be an upgrade or a new line, the second "free" unit required activating a new line of service .