Apple Tests Solid-State Buttons and Under-Display Tech for 20th Anniversary iPhone

By: Harsh Vardhan

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Updated on: 06-May-2026 01:00 PM

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​Apple is reportedly testing solid-state buttons for its upcoming 20th anniversary iPhone model. This follows earlier plans to introduce the technology in the iPhone 15 Pro series, which did not materialize. The new iPhone is expected to launch next year as a special anniversary edition, featuring a display that merges seamlessly with the device's sides.

Key Highlights

• Apple is testing solid-state buttons for its 20th anniversary iPhone model.
• Solid-state buttons passed tests for use with gloves, wet hands, and extreme temperatures.
• The device may feature under-display Face ID, selfie camera, and sound technology.
• Next-gen Ceramic Shield protection is expected to improve scratch resistance.
• A 6,000mAh battery with reverse wireless charging is rumored for the new iPhone.

Solid-State Buttons Under Development

According to a Chinese tipster, Apple has completed rigorous testing of the solid-state buttons. Tests included scenarios where users wore gloves, pressed buttons with wet hands, and used the device in extreme temperatures. The buttons use a dedicated low-power chip. This chip registers button presses and provides haptic feedback, even when the phone is completely powered off.

Display and Design Innovations

The 20th anniversary iPhone will reportedly feature under-display Face ID and a selfie camera. These components will be integrated into a dual-layer OLED display. The display and the device's sides are expected to use next-generation Ceramic Shield protection, which aims to improve scratch resistance.

Apple may also remove the physical earpiece from this model. Instead, the device will use under-display sound technology. This feature is expected to function similarly to under-display ear speakers, but specific details remain unconfirmed.

Battery and Charging Features

The upcoming iPhone is rumored to include a 6,000mAh battery. It will also support reverse wireless charging, allowing the device to charge other compatible devices wirelessly.