iPhone 5 release date to reveal HSPA+? Sprint, Verizon slower?

The iPhone 5, Apple’s next iOS-based smartphone, may include the faster HSPA+ data speed to compete against Google Android-based smartphones. the information is from the leaked advertisement of China Unicom, reportedly set to promoted the iPhone 5 as “4G.” According to Apple Insider, the China-based wireless carrier revealed the iPhone 5′s data connectivity feature in …