AT&T has lowered its pricing on refurbished iPhone 4 units. Previously priced at $149 for 16GB units and $249 for 32GB models, the U.S. iPhone carrier is now offering both at $50 discounts, or $99 and $199, respectively. In addition, AT&T is offering “cosmetic blemish” units, with 16GB models going for $79 and 32GB models selling for $179. Similar discounts are being offered on 8GB iPhone 3GS units, with standard refurbished models…
