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Apple's iPhone 18 Pro Expected to Be Thicker Than Predecessor

WireByte Staff · July 7, 2026

Apple's upcoming iPhone 18 Pro is expected to have a thicker aluminum frame and camera housing than its predecessor, the iPhone 17 Pro, with a reported 2mm increase in overall thickness. This development has sparked concerns about the device's heat dissipation and durability.

Key points

  • Apple's iPhone 18 Pro is expected to feature a thicker aluminum frame and camera housing than the iPhone 17 Pro, with a reported 2mm increase in overall thickness.
  • The thicker design may affect the device's heat dissipation and durability, according to leaker Fixed Focus Digital.
  • The iPhone 18 Pro lineup will still feature an aluminum alloy build with 'indeed excellent' heat dissipation, but buyers should be cautious about new color options.
  • Supply chain feedback has confirmed the iPhone 18 Pro's main camera upgrade and indicated a 2mm increase in the aluminum alloy back panel thickness.
  • The final thickness figure for the iPhone 18 Pro is expected to be around 9.9-10.9mm, according to leaker Fixed Focus Digital.

Apple's upcoming iPhone 18 Pro is expected to have a thicker design than its predecessor, the iPhone 17 Pro. According to leaker Fixed Focus Digital, the iPhone 18 Pro's aluminum frame and camera housing will be thicker than the iPhone 17 Pro's, with a reported 2mm increase in overall thickness.

This development has sparked concerns about the device's heat dissipation and durability. Fixed Focus Digital has warned that buyers should be cautious about the new color options, as some iPhone 17 Pro units have experienced discoloration and surface chipping.

Despite the thicker design, the iPhone 18 Pro lineup will still feature an aluminum alloy build with 'indeed excellent' heat dissipation, according to Fixed Focus Digital. The leaker has also confirmed that the iPhone 18 Pro's main camera upgrade will be included.

The final thickness figure for the iPhone 18 Pro is expected to be around 9.9-10.9mm, according to Fixed Focus Digital. This information is based on leaked materials from Tata and supply chain feedback.

The iPhone 18 Pro's thicker design may affect its performance and user experience. However, it remains to be seen how the device will perform in real-world usage. Apple has not officially confirmed the iPhone 18 Pro's design or specifications.

The iPhone 18 Pro is expected to be released in the coming months. However, the exact release date and pricing have not been announced. As more information becomes available, we will provide updates on the iPhone 18 Pro's design and specifications.

Sources

WireByte Staff — Editorial Team

The WireByte editorial team synthesises technology news from multiple primary sources, verifies the facts, and links every source. Articles are produced with AI assistance and reviewed under our editorial policy.