At Target retail stores and with a 2-year contract, trade in your Apple iPhone 4, 4s, or 5, 5s, or 5c for the purchase of an Apple iPhone 5s or iPhone 5C to receive up to a $300 Target Gift Card. That beats Best Buy's offer of up to $200 in trade-in credit from six days ago. Your used item must be in working condition and without any broken parts or cracks to be eligible for this offer. Some exclusions apply.