The HTC Radar 4G is on offer at T-Mobile USA until the 27th December 2011.
The handset qualifies for an extra web-only discount which brings the handset to completely free on contract.
To qualify for the instant and Web-only discounts, you must activate the handset on a new line of service with an Even Moreâ„¢ rate plan on a two-year service agreement. Even Moreâ„¢ Family Plans may qualify for up to five instant discounts.
Read more on the terms and conditions of the offer at T-Mobile here.
Thanks Jay for the tip.