Is Touch ID making a comeback on iPhones?

With its unique design, the foldable iPhone could use Touch ID as its primary security method instead of Face ID.

Apple's foldable iPhone could use Touch ID. Photo: Bob Obba/YouTube .

According to numerous leaks, Apple's first foldable iPhone will appear in September. One of the most intriguing aspects is the potential return of Touch ID after years of absence from iPhones. Apple's foldable phone may be called the iPhone Ultra. With a dual-screen design, one on the outside and one on the inside that can be folded, the screen cutout is predicted to be a punch-hole design instead of Dynamic Island.

Notably, based on numerous news reports over the past few months, 9to5mac suggests that Touch ID will replace Face ID. For a revolutionary product like foldable phones, Apple's decision to revert to an older security method seems strange. However, there's a valid reason for this choice.

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More specifically, analyst Ming-Chi Kuo suggests that Apple was forced to use Touch ID due to "the thickness and internal space limitations of the device."

There are at least two reasons why the iPhone Ultra cannot use Face ID. First, the device is thinner than even the iPhone Air, and second, if Apple were to use facial recognition technology, it would need to equip it with two separate Face ID components. The iPhone Ultra is expected to have a thickness of around 4.5-4.8 mm, significantly thinner than the 5.6 mm (excluding the camera module) of the iPhone Air.

Even if Apple could integrate Face ID into a thinner frame, the overall space would double because each screen on the iPhone Ultra requires a separate Face ID unit. Even if they solve the technical problem, they would still have to sacrifice valuable internal space, which could be used for a larger battery, vapor chamber cooling, and other components.

With Touch ID integrated into the iPhone Ultra's power button, Apple doesn't need to duplicate the component. Therefore, 9to5mac suggests this is the solution the company chose for this launch.

Source: https://znews.vn/touch-id-sap-quay-lai-iphone-post1657569.html