Get $150 toward a Lumia 950 or 950 XL when you trade in your Lumia 920, 925, or 1020.

Valid from April 12, 2016 until June 30, 2016.  Available on Microsoft online store in the United States (including Puerto Rico) only and Canada. Exclusions may apply. To receive full store credit towards the purchase of a new Lumia 950 and 950XL, customer must trade-in qualifying Lumia 920, 925 or 1020 device,subject to these terms. To be eligible for trade-in, you must own the qualifying device, device must power on battery must hold charge and not be required to be plugged in to operate, and be in fully functional, working condition without broken/missing components, cracked display/housing, liquid damage, modification(s) or have device warranty seal broken to be considered working. Cannot be password protected, and include original chargers/accessories. Must contain hard drive. Any appraised value will be determined at trade-in and provided as a Microsoft online store redemption code and is valid online only. The online redemption code will be sent via email once CExchange receives and appraises your trade in. The redemption code will be valid until July 30, 2016. All trade-ins are subject to Microsoft’s discretion and approval. All trade-ins are final. Recycle for Rewards program provided by CExchange, LLC., and other terms and conditions may apply. Not valid on prior orders or purchases; cannot be transferred or otherwise redeemed for cash or gift cards. May not be combinable with other offers. Void where prohibited or restricted by law. Microsoft reserves the right to modify or discontinue offers at any time. Limit 1 trade-in per purchase, per customer, 3 purchases per household. Refunds will not include the $150 Trade-in bonus. Device being traded in must be shipped within 1 week of getting the online quote.

Source: Windows phone Trade in - Microsoft Store