After weeks of anticipation, Nothing has finally rolled out the Nothing OS 4.0 Open Beta for its Phone (3a) and Phone (3a) Pro, bringing Android 16 features and a handful of design refinements to the brand’s mid-range lineup.
The update arrives as build Asteroids-V3.2-251013-1406, and follows earlier betas released for the Phone (3), Phone (2), and Phone (2a) models. The delay for the 3a series appears to have been deliberate, giving Nothing time to tune performance for the phones’ Snapdragon 7s Gen 3 chip and 6.77-inch display.
Like other Open Betas, this one comes with a few cautions. Nothing advises users to back up data before installing, since early builds can bring the usual mix of bugs, app crashes, and the occasional “glyph glitch.” Enrollment closes on November 7, and sign-ups can be done through Settings → System → Nothing Beta Hub → Join Beta.
What’s New in Nothing OS 4.0
While much of Nothing OS 4.0 builds on the features already seen in earlier betas—like AI-powered dashboards, faster multitasking, and overall performance tweaks—the 3a update also introduces some notable additions.
A refreshed Nothing icon pack gives the interface a lighter, more refined look, still rooted in the brand’s dot-matrix aesthetic. The Camera app gets a creative upgrade too, thanks to a new “Stretch” preset developed in collaboration with filmmaker Jordan Hemingway. The feature enhances contrast and tone for a cinematic, moody look straight out of the sensor—ideal for the 3a’s dual-lens setup.
Another highlight is Lock Glimpse, a customizable lock-screen feed that rotates through curated wallpapers and quick-view widgets like weather or reminders. Nothing says future updates will allow personal photo integration while keeping data encrypted locally—no cloud snooping here.
Beta users should expect some rough edges, but for those willing to trade a bit of stability for early access, the 4.0 beta offers a lively glimpse of Nothing’s next big step in software design.
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(Source: Nothing)
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