One of the most talked-about features of the new Samsung Galaxy S26 Ultra is 'Privacy Display'—a clever screen technology that severely restricts viewing angles to keep prying eyes away from your content. Naturally, this has led to a burning question among users: will Samsung bring this nifty feature to older devices, like the Galaxy S25, in the upcoming One UI 8.5 update?

The short answer is no. And the limitation isn't about software; it comes down to a brand-new, bespoke hardware component built exclusively into the S26 Ultra's display. In fact, even the standard Galaxy S26 and S26+ missed out on the upgrade.

While Privacy Display does leverage AI to identify which areas of the screen to blur or manage, its core functionality relies on a unique panel architecture dubbed "Flex Magic Pixel."

This tech is baked directly into the S26 Ultra’s next-generation AMOLED display. Unlike traditional AMOLED panels, the Flex Magic Pixel structure houses two distinct types of physical pixels: Wide pixels and Narrow pixels.

Here is how it works under the hood: when Privacy Display is disabled, both sets of pixels fire simultaneously, delivering the vibrant, wide viewing angles we’re used to.

However, flip the feature on, and the Wide pixels shut down, leaving only the Narrow group to do the heavy lifting. Thanks to their microscopic physical structure and a surrounding light-restricting layer, these Narrow pixels funnel light straight forward. The result? The screen becomes nearly illegible to anyone trying to peek from the sides.

Simply put, this privacy shield is forged from micro-level hardware engineering, not just clever coding.

This explains exactly why older Galaxy models—despite boasting highly capable AMOLED panels with individual pixel control—cannot just download a Privacy Display update. They physically lack that specialized Narrow pixel layer.

It is easy to see why users hoped One UI 8.5 would deliver the goods. Over the last few years, Samsung has consistently blurred the lines between hardware and software by rolling out powerful new features via AI updates.

However, with Privacy Display, Samsung opted for a physical hardware investment. If you want to keep your screen to yourself, you'll need to shell out for the Galaxy S26 Ultra—or wait to see if the tech makes its way to future generations.