Apple is expected to announce a new succeeding lineup of iPhones sometime in September. Thanks to a CAD drawing that leaked on micro-blogging network Weibo, the iPhone 13 mini’s design is identical to the current iPhone 12 mini, save for the camera cluster, which may be slightly updated.
As we can see on the pic, the camera layout in the iPhone 13 mini remains square, but the arrangement of the dual cameras changes from vertically stacked to a diagonal placement. It also looks like the microphone port on the camera square has moved somewhere else.
The iPhone 13 mini will continue to use a 5.4-inch display and it will have the exact same dimensions as the iPhone 12 mini. As per reports, the iPhone 13 mini will use new technology to increase battery capacity and update battery life over the iPhone 12 mini, which did poorly in our battery endurance tests.
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Sean Lee 
Sara Sara