With activation of new voice and data plans, Walmart stores offer the Apple iPhone 4 16GB Smartphone for AT&T Wireless or Verizon Wireless in White or Black for $147, according to CNET. (It's not currently available online, however, several online news outlets have reported the new price.) That's a $50 drop and the lowest total price we've seen for a new AT&T iPhone 4 by $2. (It's a price low for the Verizon iPhone 4 model by $50.) Sales tax is added where applicable. It features an Apple A4 processor, 326-ppi (pixel per inch) Retina 3.5" display running at 960x640, gyroscope, front- and rear-facing cameras, 5-megapixel camera with LED flash, 720p video capture at 30 fps, 802.11n wireless networking, dual microphones, and more. Deal ends June 30.