Why Apple's Foldable iPhone Chooses Side Touch ID Now

Leakers suggest Apple’s upcoming wide foldable iPhone will skip Face ID and use a side-mounted Touch ID to keep the device thin. Rumored specs include a 7.58-inch inner display, under-screen camera, and a reinforced hinge.

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Why Apple's Foldable iPhone Chooses Side Touch ID Now

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Rumors about Apple’s long-teased foldable iPhone are gaining momentum. Recent leaks suggest the device could skip Face ID in favor of a side-mounted Touch ID sensor — a choice driven by design priorities and the need to keep the handset slim.

Why Face ID might not make the cut

3D face-scanning hardware takes up valuable internal space. According to tipster Digital Chat Station (DCS), Apple appears to be prioritizing thinness and a cleaner internal layout for its wide foldable prototype, which is why the company is reportedly moving away from Face ID. The same space constraint reportedly rules out 3D ultrasonic under-display fingerprint modules, pushing Apple toward a side-mounted capacitive Touch ID instead.

Leaked hardware details: a tablet-like foldable

Leaks describe a large, tablet-like inner display and a compact outer screen. Key details include:

  • 7.58-inch foldable inner display with an under-display front camera
  • 5.25-inch external screen using a punch-hole camera
  • 48MP dual-camera setup on the rear
  • A hinge described by DCS as "very strong" — a critical spec for foldables
  • Side-mounted Touch ID rather than 3D Face ID or ultrasonic under-display scanners

The “wide” form factor is meant to feel closer to a small tablet when unfolded — a format that could differentiate Apple’s approach from the narrow, phone-like foldables already on the market.

What this means for users and the market

Choosing side Touch ID has practical implications:

  • Thinner hardware: Removing bulky Face ID components helps keep the device slim when folded.
  • Reliable unlocking: Side-mounted sensors are familiar and fast in daily use, even if they trade some convenience for modern under-display aesthetics.
  • Camera trade-offs: The prototype reportedly puts the front camera under the inner screen, while the external display retains a punch hole — a sign Apple is balancing design and image quality.
  • Stronger hinge design: A “very strong” hinge would address one of the biggest concerns for foldable buyers: durability over time.

Competition and timing

Apple isn’t the only company exploring wide foldables. DCS says Samsung is evaluating similar dimensions, but notes that a Chinese brand could ship the first large horizontal foldable. The device is expected sometime next year if testing and refinement stay on schedule — though Apple hasn’t confirmed anything.

Imagine unfolding a device that feels like a compact tablet yet fits in your pocket when closed. If the leaks hold up, Apple’s decision to prioritize thinness and a robust hinge over Face ID could reshape expectations for what a premium foldable should be.

Source: gizmochina

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