Citing unnamed sources inside Apple manufacturing partner Foxconn, Chinese site TechWeb claims a new 4” iPhone 6c will be announced in January and hit stores in February. The alleged insider said the new phone will have a metal body—flying in the face of previous reports that the 6c would have a plastic case similar to the 5c—but will still come in a variety of colorful options like the 5c. The new phone is expected to cost $400-$500…