New Verizon customers as well as existing customers who want to add a new smartphone line can get $300 for their old smartphone. Add a new smartphone with monthly device payments to your cart. Complete your trade-in appraisal during checkout. When prompted, click “trade in old device.” You will be taken to the device trade-in page to appraise your old smartphone. Within 5 days, you’ll receive a box to send in your trade-in. Trade-in must be in good working condition. New Verizon customers will receive a VZW electronic gift card within 2 weeks and existing Verizon customers will receive an account credit in 1-2 billing cycles.