Nothing OS 4.0 Rolls Out to CMF Phone 1 — What’s Next

Nothing has started pushing the stable, Android 16-based Nothing OS 4.0 to CMF Phone 1 users. The update promises a visual refresh, expanded system-wide customization, and quality-of-life improvements designed to make daily use smoother and more personal.

Fresh visuals and deeper customization

At the heart of Nothing OS 4.0 is a refined look and feel. Expect updated UI elements, cleaner animations, and expanded theme controls so you can tailor the interface more closely to your taste. The company highlights deeper customisation across the system, which includes new options for home screens, widgets, and subtle visual tweaks that aim to make the phone feel more uniquely yours.

Performance and everyday improvements

Under the hood, Nothing OS 4.0 is built on Android 16 and focuses on stability and smoother everyday interactions. Improvements target responsiveness, power efficiency, and system polish — small changes that add up to a more comfortable daily experience. Think fewer micro-stutters, crisper transitions, and more predictable battery behavior.

Rollout timeline: who gets it and when

• CMF Phone 1: Stable Android 16-based Nothing OS 4.0 is rolling out now in phased waves via OTA.
• CMF Phone 2 Pro: Nothing says the update will arrive in the coming weeks, so expect a staged rollout soon.
• Nothing Phone (3a) Lite: Users should see the update begin at the beginning of January.

Updates are being distributed in phases, so availability may vary by region and carrier. If you don’t see it immediately, check again over the next few days.

How to check and prepare for the update

Want to install Nothing OS 4.0 as soon as it's available? Follow these quick steps:

• Open Settings > System > Software update to check for the OTA manually.
• Connect to a stable Wi-Fi network and ensure your battery is charged or plug in during the update.
• Back up important data before installing, just in case you need to restore settings or files.

If you prefer, you can also consult Nothing's official release notes or support pages for more details and any device-specific instructions.

Why this matters

System updates like Nothing OS 4.0 do more than add new visuals. They define how a device feels day to day and can significantly extend usability and satisfaction. For CMF Phone 1 owners, this release brings the benefits of Android 16 plus Nothing's own design touches — and the promise that other models will follow soon.

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