If you don’t plan on getting the iPhone 8, you could get up to $400 off the iPhone 7 at T-Mobile. The company launched a two-part promotion for the iPhone 7 and iPhone 7 Plus Friday.

Customers who trade in their iPhone 6, iPhone 6 Plus, iPhone 6s or iPhone 6s Plus can save $300 when upgrading to the iPhone 7 or iPhone 7 Plus at T-Mobile.

Read: Best Buy Launches Early Access To July Black Friday Sale: iPad, iPhone 7, And Beats Discounts

The company is also offering a memory upgrade, which cuts the price of a 256GB Phone 7 or iPhone 7 Plus. The devices are sold for the price of the 128GB version, allowing customers to save a total of $400.

To save a few hundred on the iPhone 7, go to a T-Mobile store and trade in your iPhone 6, iPhone 6 Plus, iPhone 6s or iPhone 6s Plus. You’ll then get an instant store credit for the amount of your trade-in, which you can use to buy the iPhone 7 or iPhone 7 Plus. After that, you can register on the T-Mobile Promotions Hub to get a prepaid MasterCard for the remainder of the money.

The device must be purchased with T-Mobile’s Equipment Installment Plan, the company said. All colors and memory versions of the iPhone 7 and iPhone 7 Plus are available for the deal. The promotion is available only in stores and for a limited-time.

If you take advantage of the deal and end up canceling your wireless service, your remaining balance at full price becomes due, T-Mobile said. Also, the offer cannot be combined with other promotions, like Carrier Freedom.

You can check out the deal here and find a store near you.

Read: Apple Back To School Sales 2017: Macs, iPads and Beats Headphones Deals

Best Buy iPhone 7 and iPhone 7 Plus Sale

The iPhone 7 and iPhone 7 Plus are also on sale at Best Buy this week for its Black Friday in July event. Those who buy an iPhone 7 or iPhone 7 Plus and activate it with a monthly installment plan can save up to $200.

Minimum savings on the iPhone is $50, Best Buy’s site says. Customers must agree to a 24-month Sprint plan to get the discount. The $200 is taken off the full price of the iPhone and is reduced through the monthly payments. Those who want to take advantage of the deal must have their credit approved.

Best Buy’s Black Friday summer sale also includes a promotion on the 32GB iPhone 6s. The retailer is offering the device for $12.99 a month when activated with a 24-month plan, a $238 discount on the iPhone.

Customers can also save up to $200 on select iPad Pro devices, $125 on iPad Mini models and up to $350 on select MacBook Air versions.