Apple has asked Foxconn to begin shipping new high-end and low-end iPhones in early September, claims The Wall Street Journal. The report echoes previous rumors that Apple will release a new iPhone 5S and a lower-cost iPhone 5C that comes with a plastic back available in numerous colors. Rendering of low-cost iPhoneApple Inc. has asked assembler Hon Hai Precision Industry Co. to begin shipping both a new high-end and low-end iPhone in early September, people familiar with the matter said. Apple's suppliers in Asia started mass-prod