Alleged photos of an alleged “iPhone 6c” rear shell have been posted on Future Supplier. The housing — which Future Supplier claims to have found but neglects to disclose from where — is similar to that of the iPhone 5c, but with an oval-shaped opening for the rear camera’s flash, matching the iPhone 5s flash instead of the round opening on the iPhone 5c. The purported iPhone 6c images also show two speaker grilles on the bottom…