Apple iPhone 5
Apple Pre-orders Open on Sep 14: Buy iPhone 5 at Price of iPhone 4S?Courtesy

Apple has not made any official announcement on its much-awaited next generation iPhone but rumours and speculations around it keep coming. The latest we hear is that Apple's iPhone 5 engineering sample photos have been leaked.

Claiming that a trusted source inside the Apple supply chain in China gave the information, tech site GottaBeMobile carried the metal iPhone 5 design sample, thus revealing some of its specifications.

iPhone 5 is slightly taller and slimmer than iPhone 4 thought the width is same, reported GottaBeMobile. According to the site, iPhone 5 is 120mm tall compared iPhone 4S' 115.2mm, which means it has bigger screen display.

The upcoming iPhone reportedly has a 4-inch edge-to-edge display according to Chinese blog MyDrivers. The engineering sample doesn't show metal back though rumours have it that iPhone 5 would come with one.

Apple has not made any official announment on its much-awaited iphone but a source close to Foxconn that assembles iPhone and other Apple products had earlier claimed that iPhone 5 would put Samsung Galaxy S3 to shame.

Speaking at Foxconn parent company, Hon Hai's annual shareholders meeting, CEO Terry Gou reportedly said that Apple will overtake Samsung in a few years' time.

"Consumers should wait for the iPhone 5 because it will put the Samsung Galaxy S III to shame," Focus Taiwan quoted Foxconn CEO Terry Gou as saying in China Times. "With (Foxconn's) marketing and manufacturing strengths and Sharp's key technologies, the two will be able to defeat their arch-rival Samsung," the report added.

According to rumours, iPhone 5 has features like - 4-inch Retina display, an A5X Variant chip, 1GB RAM, iOS 6, 4G LTE technology, Near Field Communication (NFC) technology, improved Siri, liquidmetal casing, an 8 megapixel (or even higher) rear camera, a 2 megapixel front-facing camera for video chatting and a much-improved battery life.

Apple has not revealed iPhone 5 release date but rumours are doing the rounds that it will be released in the later half of 2012.