Verizon Wireless has launched another one of its trade-in promotion offers. Customers can bring in their older phone and get up to $300 in credit toward the purchase of a new phone.

The offer is for customers who are switching to Verizon, or current ones who are either upgrading or adding a new line to their service. The deal even includes older phones that have a cracked screen. Verizon says:

Trading in your phone is simple. The fastest way to score these savings is by visiting a Verizon store with on-the-spot credit for your trade-in. At Verizon stores, you can receive the immediate value when you trade in your smartphone in good, working condition and apply that value immediately as a down payment toward your new smartphone. Or you can also enjoy a Verizon account credit or gift card.

The trade-in can also be completed online at Verizon's website. The new phones that are eligible to be purchased with the trade in credit include the iPhone 6s and iPhone 6s Plus. The offer will be available for a "limited time" but no specific deadline was revealed.

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