According to the Japanese language Macotakara, the iPhone 5 will support HSPA+, enabling maximum download speeds of 21Mbps.
In Macworld Asia 2011, China Unicom’sDeputy Director of Research Huang Wenliang, says that the iPhone 5 will support the high-speed HSPA+ (21Mbps) network standard, reports Japanese blog macotakara. As evident from the slide, the next generation iPhone 5, corresponding to the HSPA +, with a maximum downlink speed of 21Mbps is indeed coming to China Unicom.
The carrier started selling ‘EDGE’ based original iPhone in 2007 with the maximum speed of 480kbps. However, iPhone 3G, iPhone 3GS and iPhone 4 all supported WCDMA network standard with downlink speed of 7.2Mbps.