Reuters:

Sprint Corp said on Monday it will offer Apple Inc’s new iPhone 8 for free with a qualifying phone trade-in, following AT&T Inc’s buy one, get one free promotion on Friday for DirecTV and U-verse TV customers.

And:

Both new and existing customers who enroll in the Sprint Flex leasing program will get a free 64GB iPhone 8 if they trade in newer iPhone and Samsung models, Sprint said on Monday.

AT&T’s video customers could buy a new iPhone 8 or 8 Plus, add a line and receive a $699 credit for a second device beginning with pre-orders on Friday.

Carrier wars. Competition that is good for consumers.