Apple’s next-gen iPhone could be unchanged in physical design but include changes relating to speed, memory and the camera.

At least that’s according an unnamed employee at Apple’s manufacturing partner Foxconn, who claims to have used prototypes of the handset.

The main changes are increases in clock speed and memory: the roughly 400MHz Samsung ARM processor used in the current iPhone 3G will be upgraded to a 600MHz part, according to a post on a Chinese site

Writing anonomously, the commentator also said that system RAM will be doubled to 256MB and the handset will ship in 16GB and 32GB configurations.

It is also said to have a 3.2-megapixel camera with autofocus.

While the information is unsubstantiated, if true there could be some disappointment.

Among the improvements being sought are an improved battery, a better GPU, a more elegant housing and – ideally – an OLED display.

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