138.3 x 67.1 x 7.1mm
Likewise, is the 6 and 6S the same size?
The iPhone 6s has the same form factor as its predecessor the iPhone 6, except that it is 0.01 inches thicker and wider. … For example, Speck announced on its Facebook page that all its iPhone 6 and iPhone 6 Plus cases fit the next generation s-devices.