I am looking to get the iPhone 14 Pro Max or iPhones 15 pro max

Thank 

Go to a store or online and buy one.  If you want to trade the iPhone 11 in for credits on the new phone, it’s best to go to a corporate store and do the trade in there so you can get a receipt for the trade.  It’s best to research the deals and plans online first, even if you don’t end up buying online, so you can see what the offers are.

Hello @Amandjean55, 

We understand your interest in Trade-in, let's get all the help you need. 

To answer your question, AT&T Trade-in program allows you to trade in qualifying phones to receive credit for the value of the phone, or you may be eligible for promotional bill credits as part of an AT&T device offer. You can easily check the Trade -in value of the old device by refer to this : https://tradein.att.com/start-trade/find/devices. 

For more information on the Trade - in program you can check this out https://www.att.com/wireless/how-to-check-phone-trade-in-value/. 

To start trading your device, please use the link https://www.att.com/deals/phone-trade-in/. 

Hope this helps! Feel free to contact us for any further questions. 

Thank you for contacting AT&T Community Forums.
Veronica, AT&T Community Specialist.