iPhone Fold forces Apple into display rethink
The upcoming iPhone Fold display has forced Apple to adjust its approach to screen technology. According to Bloomberg’s Power On newsletter, Apple shifted from an on-cell sensor design to an in-cell screen layout to minimize creasing on the foldable inner display. This rethink highlights how challenging it is to design a foldable iPhone while balancing durability, usability, and performance.
On-cell vs in-cell technology
Apple initially planned to use on-cell displays for the iPhone Fold display. This method places touch sensors just below the front glass, which improves touch sensitivity and makes manufacturing easier. However, tests revealed that the design could create air gaps, worsening the appearance of creases along the fold.
To address this issue, Apple decided to adopt in-cell technology instead. In this design, the sensor layer sits deeper in the screen sandwich, below the color filter substrate but above the polarizer. The move aligns the iPhone Fold with Apple’s other models, which already rely on in-cell displays.
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Apple’s modem strategy
Another major component of the iPhone Fold will be its C2 modem, an upgrade from the C1. The new chip is expected to approach the performance levels of Qualcomm’s leading cellular modems. Apple intends to integrate the C2 modem into both the iPhone Fold and the iPhone 18 Pro lineup.
Johny Srouji, Apple’s SVP of hardware technologies, emphasized earlier this year that the company’s modem work is a “platform for generations.” The modem project aims to give Apple greater control over connectivity while differentiating its products from competitors.
Additional design details
Rumors suggest that the iPhone Fold display device will launch in 2026, tested in black and white finishes. Unlike traditional models, it will reportedly ship without a SIM card slot and rely on Touch ID for authentication instead of Face ID. These changes highlight Apple’s focus on rethinking not only hardware design but also how users interact with foldable iPhones.
What this means for Apple
Apple’s move from on-cell to in-cell tech shows its determination to avoid visible flaws that could hurt the Fold’s appeal. While foldable phones remain challenging to engineer, Apple appears committed to making durability a priority. Pairing this with its in-house modem strategy suggests the company is preparing to launch a foldable that delivers both sleek design and reliable performance.
The iPhone Fold display may become one of Apple’s most important innovations since the iPhone X. If successful, it will prove Apple can adapt display technology and connectivity hardware to meet the demands of a new era in mobile design.

