Wireless carriers are competing for your business with iPhone Duo incentives offering up to $1,200 in bill credits.

Get up to $1,200 off an iPhone Duo – Image credit: Apple

Get up to $1,200 off an iPhone Duo – Image credit: Apple
Apple’s first foldable iPhone, the iPhone Duo, is finally available for preorder, and wireless carriers AT&T and T-Mobile are already offering up to $1,200 off via bill credits.