Apple is close to launch the next generation of iPhones in an attempt to stay on top of their rivals from Samsung, says WSJ.

The company has ordered some important components for a new iPhone in order to launch the next generation in late September, according to several people close to the matter. Sources say that the new iPhone is expected to be much like the current iPhone 4, but thinner and lighter, plus an 8-megapixel camera.

One source claims that the new iPhone will run on Qualcomm chips. iPhone 4 uses chips from a former division of the German company Infineon Technologies AG, which is now owned by Intel. Apple officials declined to comment on the data.

The rumors on the appearance of the new iPhone version, the product that brought the most revenues for Apple, have increased after the company chose not to reveal a new model of smartphone at the CNDC held in early June, as they did in the past.

Apple said at that time that the new version of iOS 5 will be available in this fall. This has fueled the speculations that the latest generation of iPhones will be introduced at the same time. A well- informed person said the American company initially planned the launch this summer, but the device was not finished on time.

iPhone businesses have generated almost half of company’s revenues of 24.7 billion dollars in the quarter ended on March 26. The rivalry between Apple and Samsung has intensified in recent years, both companies being directly involved in a legal battle, both Samsung and Apple being accused of violating intellectual property.

Tuesday, Apple filed a complaint against Samsung at the Commission on International Trade in the United States by trying to stop the importation of Samsung smartphones and tablets after the Koreans have asked the Commission to de-market certain models of iPhone and iPad in the United States.

Wall Street projections for the new iPhone are relatively conservative because the analysts are not expecting the device to have major improvements and design changes to convince the current iPhone owners to buy the new version.

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