Recent iPhone 6 mockups feature a basically accurate design, but the antenna breaks will differ from what’s been seen thus far, Nikkei reports. Numerous pictures have shown white stripes connecting the antennas in the iPhone 6 — as seen in the above graphic from Nikkei — but color-contrasting stripes will reportedly not be part of the final design. The stripes are likely a placeholder for another material, potentially glass, but quite possibly…