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Will manufacturing be a problem?
According to the website, the phone's new casing is being produced by manufacturer and Apple supplier Moumontai.
Separately, sources at Foxconn, one of Apple's major component suppliers, have said the firm's factories have been producing parts for the smartphones since June. The premium-model will have a metal case, whereas the rumoured budget iPhone may not.
However, maintaining a steady supply of champagne gold iPhones may not be such an easy task due to manufacturing concerns.