iPhone 15 deals — the biggest discounts I've seen so far

iPhone 15: free w/ trade-in + unlimited @ AT&T
New and existing AT&T members can pick up an iPhone 15 for free with trade-in. You'll need to be signed up to one of AT&T's qualifying unlimited plans to get this deal. 

iPhone 15: free w/ new line + unlimited @ Verizon
Verizon's iPhone 15 deals are valid for new and returning customers. Additionally, you can trade-in any iPhone for a credit toward the purchase of a new iPhone 15. Note that you'll need to activate a Verizon unlimited plan. You'll get up to $1,000 off on the Unlimited Ultimate plan, up to $830 off on the Unlimited Plus plan, and up to $415 off on the Unlimited Welcome plan. In our iPhone 15 review, we said its charming design, excellent main camera performance, and long lasting battery life (11 hours and 5 minutes) make it a formidable phone worthy of your attention. It features a 6.1-inch 2556 x 1179 OLED display, A16 Bionic chip, 48MP main camera, 12MP ultrawide camera, 12MP front camera, and USB-C connectivity. 

Boost Infinite: free or up to $1,000 off + unlimited for $60/month
Boost Infinite is a membership plan for iPhone users. For $60/month, you get unlimited talk, text, and data. Plus, you'll get a free iPhone 15. After 12 consecutive monthly payments, members can upgrade to the latest iPhone model at no extra cost. There is no trade-in requirement to join, which means you can keep your current iPhone or sell it to a third party. 

Boost Infinite: free or up to $1,000 off + unlimited for $60/month @ Amazon
You can purchase your iPhone 15 on Boost Infinite via Amazon. Boost Infinite is a membership plan for iPhone users. For $60/month, you get unlimited talk, text, and data. Plus, you'll get a free iPhone 15. After 12 consecutive monthly payments, members can upgrade to the latest iPhone model at no extra cost. There is no trade-in requirement to join, which means you can keep your current iPhone or sell it to a third party. 

iPhone 15: up to $830 off w/ new line @ Xfinity Mobile
New and existing Xfinity Mobile customers can take up to $830 off any iPhone 15 after adding a new line or upgrading your current device. You'll also need to purchase your new phone via a 24-month installment plan. Note: You'll also get a $100 Visa prepaid card when you activate a new phone line.

iPhone 15: up to $830 off w/ trade-in @ Best Buy
Best Buy's iPhone 15 deals will offer a credit of up to $830 with trade-in of an older phone. Otherwise, the retailer has the new iPhone 15 family from $799. 

iPhone 15: up to $650 w/ trade-in @ Apple Store
The Apple Store is offering up to a $650 credit when you trade-in your old smartphone for one of the new iPhone 15 models. An iPhone X will get you up to a $120 credit, whereas an iPhone 12 Pro will get you up to a $360 credit. 

iPhone 15: free w/ trade-in + unlimited @ T-Mobile
The Magenta network is offering the iPhone 15 for free (up  to $1,000 off) when you trade-in an old device and sign up for a qualifying Go5G Plus or Go5G Next plan. 

iPhone 15 Plus: up to $930 off w/ trade-in @ Verizon
New and existing Verizon customers adding a new line on the Unlimited Ultimate plan can get up to $930 off the iPhone 15 Plus when you trade in any old iPhone in any condition. Note that you'll need to activate a Verizon unlimited plan. You'll get up to $1,000 off on the Unlimited Ultimate plan, up to $830 off on the Unlimited Plus plan, and up to $415 off on the Unlimited Welcome plan.

iPhone 15 Plus: up to $830 off w/ trade-in + unlimited @ AT&T
New and existing AT&T customers can get up to $830 off the iPhone 15 Plus with trade-in. You'll also need to be signed up to one of AT&T's qualifying unlimited data plans. In our iPhone 15 Plus review, we said it offers the best battery life of any iPhone we've ever tested at 14 hours and 14 minutes. The addition of pro-level features in the iPhone 15 Plus also makes it a much more satisfying successor. It features a 6.7-inch 2796 x 1290 OLED display, A16 Bionic chip, 48MP main camera, 12MP ultrawide camera, 12MP front camera, and USB-C connectivity.

Boost Infinite: free or up to $1,000 off + unlimited for $60/month
Boost Infinite is a membership plan for iPhone users. For $60/month, you get unlimited talk, text, and data. Plus, you'll get a free iPhone 15. After 12 consecutive monthly payments, members can upgrade to the latest iPhone model at no extra cost. There is no trade-in requirement to join, which means you can keep your current iPhone or sell it to a third party. 

iPhone 15 Plus: up to $830 off w/ new line @ Xfinity Mobile
New and existing Xfinity Mobile customers can take up  to $830 off any iPhone 15 Plus after adding a new line or upgrading your current device. You'll also need to purchase your new phone via a 24-month installment plan. 

iPhone 15 Plus: free w/ trade-in + unlimited @ T-Mobile
The Magenta network is offering the iPhone 15 Plus for free (up  to $1,000 off) when you trade-in an old device and sign up for a qualifying Go5G Plus or Go5G Next plan. 

iPhone 15 Pro: free w/ trade-in + unlimited @ AT&T
New and existing AT&T customers can get the iPhone 15 Pro for free with trade-in. You'll also need be signed up to one of AT&T's qualifying 5G unlimited data plans. In our iPhone 15 Pro review, we called the Editor's Choice phone a compact powerhouse. It features a 6.1-inch 2556 x 1179 OLED 120Hz display, A17 Pro chip, 48MP main camera, 12MP ultrawide camera, 12MP telephoto, 12MP front camera, and USB-C connectivity.

iPhone 15 Pro: free w/ trade-in + unlimited @ Verizon
New and existing Verizon customers adding a new line on the Unlimited Ultimate plan can get the iPhone 15 Pro for free (up to $1,000 off) when you trade in any old iPhone in any condition. Note that you'll need to activate a Verizon unlimited plan. You'll get up to $1,000 off on the Unlimited Ultimate plan, up to $830 off on the Unlimited Plus plan, and up to $415 off on the Unlimited Welcome plan.

Boost Infinite: free or up to $1,000 off + unlimited for $60/month
Boost Infinite is a membership plan for iPhone users. For $60/month, you get unlimited talk, text, and data. Plus, you'll get a free iPhone 15. After 12 consecutive monthly payments, members can upgrade to the latest iPhone model at no extra cost. There is no trade-in requirement to join, which means you can keep your current iPhone or sell it to a third party. 

iPhone 15 Pro: $830 off @ Xfinity Mobile
New and existing Xfinity Mobile customers can take up to $830 off any iPhone 15 Pro. New customers must activate a new Xfinity Mobile line within 30 days of purchase, whereas existing customers can upgrade one of their existing lines to receive the deal.

iPhone 15 Pro: free w/ trade-in + unlimited @ T-Mobile
The Magenta network is offering the iPhone 15 Pro for free when you trade-in an old device and sign up for a qualifying Go5G Plus or Go5G Next plan. 

iPhone 15 Pro Max: up to $1,000 off w/ trade-in + unlimited @ Verizon
New and existing Verizon customers adding a new line on the Unlimited Ultimate plan can knock up to $1,000 off the iPhone 15 Pro Max when you trade in any old iPhone in any condition. Note that you'll need to activate a Verizon unlimited plan. You'll get up to $1,000 off on the Unlimited Ultimate plan, up to $830 off on the Unlimited Plus plan, and up to $415 off on the Unlimited Welcome plan. In our iPhone 15 Pro Max review, we said the Editor's Choice phone sports a stronger/lighter titanium design that makes a big difference in everyday use. Add in the powerful A17 Pro chip for next-gen gaming, USB-C port, and super-long battery life (14 hours and 2 minutes) and you have the best iPhone money can buy. It features a 6.7-inch 2796 x 1290 OLED 120Hz display, A17 Pro chip, 48MP main camera, 12MP ultrawide camera, 12MP telephoto, 12MP front camera, and USB-C connectivity.

iPhone 15 Pro Max: up to $1,000 off w/ trade-in + unlimited @ AT&T
New and existing AT&T customers can get up to $1,000 off the iPhone 15 Pro Max with trade-in. You'll also need be signed up to one of AT&T's qualifying 5G unlimited data plans. Note that the base model now comes standard with 256GB and costs $1,199 (which is a $100 increase from last year's base model with 128GB). 

iPhone 15 Pro Max: $830 off @ Xfinity Mobile
New and existing Xfinity Mobile customers can take up  to $830 off any iPhone 15 Pro Max. New customers must activate a new Xfinity Mobile line within 30 days of purchase, whereas existing customers can upgrade one of their existing lines to receive the deal.

Boost Infinite: free or up to $1,000 off + unlimited for $60/month
Boost Infinite is a membership plan for iPhone users. For $60/month, you get unlimited talk, text, and data. Plus, you'll get a free iPhone 15. After 12 consecutive monthly payments, members can upgrade to the latest iPhone model at no extra cost. There is no trade-in requirement to join, which means you can keep your current iPhone or sell it to a third party.