The leak came from former Taiwanese pop star Jimmy Lin who also leaked the iPhone 5 and the iPad Mini ahead of their releases.
They appear to confirm the handset will has a larger 4.7inch screen, and that Apple has moved the power button to allow the handset to be operated easily with one hand.
The iPhone 6 shown next to the current 5s. It has a 4.7inch screen, it is claimed, and is likely to be announced in September.
The iPhone 6 (left) has the same fingerprint sensor as the 5S (right). However, it has a larger 4.7inch screen
According to Lin, the iPhone 6 comes with a 4.7-inch display, more rounded than the previous models.
He described the device as being 'very grippy' in the hand.
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The device also has a headphone socket - despite recent rumours Apple could abandon a dedicated socket and instead use the lightning connector currently used for charging.
The leaks are the latest to hit Apple, all showing an identical, slimline design.
However, Apple has not commented on the pictures.
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