Comcast (CMCSA -0.8%) says its wireless service, Xfinity Mobile, is now available in all its markets nationwide.

The offering combines MVNO service via Verizon's 4G LTE network with 18M Wi-Fi hotspots, and features top devices from Apple (including the iPhone 7 and iPhone 7 Plus) and Samsung (Galaxy S8, Galaxy S8+, Galaxy S7, and Galaxy S7 Edge).

Comcast says its customers can save 30% on wireless bills with the help of unlimited or by-the-gigabyte data plans.

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