Walmart has the Apple iPhone 4 16GB Smartphone for AT&T or Verizon for $147 (contract-free: 699.99, carrier subsidized: 199 – 52 instant savings) with two service agreement for a limited time. This offer is not available online and is only available in Walmart’s retail stores. Sales tax is added where applicable. Deal is good till June 30, 2011. [Store Locator]

The iPhone 4 features an Apple A4 processor, 326-ppi (pixel per inch) Retina 3.5″ display running at 960×640, gyroscope, front- and rear-facing cameras, 5-megapixel camera with LED flash, 720p video capture at 30 fps, 802.11n wireless networking, dual microphones, access to hundreds of thousand apps and much more.