Purchase, financing, other limits, and restrictions apply. Price for iPhone 16 and iPhone 16 Plus includes $30 AT&T connectivity discount. Activation required. AT&T iPhone 15 Special Deal: Buy an iPhone 15 128 GB and get $334.36 in bill credits applied over 36 months. Buy an iPhone 15 256 GB and get $254.36 in bill credits applied over 36 months.