Do you get free year of appletv with purchase of a new phone

The current offer from Apple is for 3 months with the purchase of a new device. Third parties (e.g., cellular carriers, etc) may have other offers. See the following from Apple TV+ - Apple

Buy an Apple device

3 months free.

Apple TV+ is included for 3 months when you purchase an Apple device and redeem the offer within 90 days.2

footnote 2 - New and qualified returning subscribers only. $6.99/month after free trial. Only one offer per Apple ID and only one offer per family if you’re part of a Family Sharing group, regardless of the number of devices you or your family purchases. This offer is not available if you or your Family have previously accepted an Apple TV+ three months free or one year free offer. Offer good for 3 months after eligible device activation. Plan automatically renews until cancelled. Restrictions and other terms apply.

Click on the link and read it, including the FAQ at the end. Check your eligibility. --> https://offers.appletvapp.apple/