Apple Mocked Foldables for Black Bars. Its Own iPhone Duo Has the Same One.

Apple faced criticism for its foldable iPhone, the iPhone Duo, which was mocked for similar issues encountered in other foldable devices. The iPhone Duo's unfolded display is close to A4 paper size, making it ideal for documents and web browsing, but less suited for standard 16:9 video content. This is because a 16:9 video only occupies about 80% of the screen, leaving the remaining 20% black, a problem Apple had previously criticized Android manufacturers for.

The issue stemmed from Apple's decision to finalize the screen's physical shape before providing developers with the tools to optimize the content layout for this unique form factor. The necessary software development kit (SDK) for developers to design apps for the Duo's screen only became available after the phone's announcement to the public, leaving developers with a very limited timeframe to adjust their apps for the new device.

Consequently, when the iPhone Duo launched, apps did not automatically adapt to the new screen aspect ratio, resulting in a visible black bar consuming a fifth of the display. This issue mirrors the criticism Apple had leveled at Android foldable devices, but in Apple's case, it arose from a scheduling problem rather than a hardware limitation.

The software needed to correct this issue, iOS 27.1, was released later, requiring apps to be updated to take full advantage of the Duo's screen. This situation highlights a broader challenge across the foldable market: the hardware is released prior to the software being fully optimized, leading to a scenario where the software catches up with the hardware, resulting in visible screen areas that are not utilized.

This dependency order issue is not unique to foldable devices but is a common challenge faced by manufacturers, emphasizing the importance of synchronizing hardware and software development timelines to ensure a seamless user experience.