Home Slickdeals Sprint: Trade in select smartphones in ANY condition for $525 (18 monthly... Slickdeals Sprint: Trade in select smartphones in ANY condition for $525 (18 monthly credit) off of iPhone 11, iPhone 11 Pro, or iPhone 11 Pro Max with new line or upgrade By ARCOM - 14 September 2019 103 0 SHARE Facebook Twitter Go to the deal page: Sprint: Trade in select smartphones in ANY condition for $525 (18 monthly credit) off of iPhone 11, iPhone 11 Pro, or iPhone 11 Pro Max with new line or upgrade