Fort Worth, Texas - RadioShack is offering discounts on iPhones and other mobile products through a combination of trade-ins and third-party promotions.
Under the chain's Trade & Save program, customers can get $75 toward a new iPhone 4 or 3G S when they trade in their current 3G or 3G S model and sign up for a two-year subscription and data plan.
The offer, good through March 19, reduces the price of a 32GB iPhone 4 to $$225 and the 16GB version to $125.
Participants can also get an 8GB 3G S at no cost, plus receive a $25 RadioShack gift card.
Elsewhere, RadioShack is offering Android users m-commerce discounts of 10 percent to 20 percent through the Foursquare and Google Places apps (not applicable to iPhone), and will offer the Samsung Epic 4G for $100, a $100 savings.