Apple late last week updated its official guidelines for third-party case makers wanting to produce products for the new iPhone 5s and iPhone 5c, offering detailed schematics (PDF) and revealing additional information about the construction for each gadget.

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iPhone 5c dimensional drawing (click for larger)

As noted by AppleInsider, the plastic iPhone 5c requires case makers to develop radio-friendly transparent windows at the top of bottom of the gadget, indicating that the radio innovation design inside of the iPhone 5c is similar in positioning to that found the iPhone 5, which incorporated cellular and other antennas in the upper and lower areas of the gadget.
iphone_5s_dimensional_drawingiPhone Fives dimensional drawing (click for larger)

Meanwhile, the metal and aluminum iPhone 5s now needs case makers to compensate for the brand-new Touch ID finger print sensor, with the restricted area for cases surrounding the house button a little larger than that of the iPhone 5c and the previous generation. iPhone 5. The paper likewise keeps in mind that no metal must be available in contact with the iPhone 5s framework, mentioning unwanted disturbance with the device’s antennas and signal degradation.

Apple will begin selling the iPhone Fives and lower-cost iPhone 5c this Friday, September 20. The company began taking pre-orders for the iPhone 5c in 10 countries on September 13, with online orders for the iPhone Fives readied to begin early in the morning local time on Friday prior to the in-store accessibility later on in the early morning.