How many next-gen iPhones do you think Apple plans on selling by the end of this year? The magical number that’s now floating on the web is 25 million. This “iPhone 5” is rumoured to start shipping in September and according to a report in the Wall Street Journal one of Apple’s suppliers said “Apple’s sales estimates of the new iPhone is quite aggressive. It told us to prepare to help the company meet its goal of 25 million units by the end of the year. The initial production volume will be a few million units”. In addition, two people familiar with the plans said that the new iPhone is “complicated and difficult to assemble”. It’s expected the upcoming iPhone will be thinner, lighter, more powerful and come with an 8-megapixel camera. No other details were given.