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CMF Phone 1 Update History
The newest software for the CMF Phone 1 is Nothing OS B4.1-260928-1140, released on 10 Oct 2026, running Android 16 and includes the October 2026 security patch. Open any version below to read its full changelog.
Nothing OS B4.1-260928-1140Latest10 Oct 2026

What's New in This Update
General Improvements and Bug Fixes
- ๐ Enhanced Bluetooth transfer stability and performance.
- โ๏ธ Enhanced overall system stability.
- ๐ก๏ธ Updated to October 2026 security patch.
Notes:
Your device may use more power and feel warmer during installation. Performance will return to normal after the update is complete.
Nothing OS B4.1-260812-172612 Aug 2026

What's New in This Update
General Improvements and Bug Fixes
- ๐ฑ Improved lock screen stability for a more reliable unlocking experience.
- ๐ฌ Fixed an issue where third-party notifications could crash unexpectedly in certain scenarios.
- โ๏ธ Enhanced overall system stability.
- ๐ก๏ธ Updated to August 2026 security patch.
Notes:
Your device may use more power and feel warmer during installation. Performance will return to normal after the update is complete.
Nothing OS B4.1-260415-170915 Apr 2026

Nothing OS 4.1
Hi there. Youโre now upgrading to Nothing OS 4.1, powered by Android 16. We'll be rolling out even more features for Nothing OS 4.1 in the future, so please stay tuned.
Take a look at what's included in this update:
New Features
- โฒ๏ธ Introduced the lock screen clock face from Phone (3a) Community Edition, co-created with the community member Jad Zock, featuring an exclusive typeface style and unique waking-up effect.
- ๐ก Live Updates now work across various scenes, such as Always-on display, notification panel, and the status bar, tracking real-time progress from apps, like Google Maps, just at a glance.
- ๐ฎ The Games app is now live, integrating various tap-to-play mini-games for relaxing. Discover it in the app drawer or on the homescreen.
Notes:
Live Updates compatibility with apps depends on local availability and specific app integration.
General Improvements and Bug Fixes
- ๐ท Improved overall camera stability.
- ๐ Improved wired charging compatibility with certain vehicle models.
- ๐ฑ Fixed some display errors in the notification panel and Quick Settings.
- โ๏ธ Enhanced overall system stability and performance.
- ๐ก๏ธ Updated to April 2026 security patch.
Notes:
Your device may use more power and feel warmer during installation. Performance will return to normal after the update is complete.
Nothing OS V3.2-250925-184325 Sep 2025

What's New in This Update
General Improvements and Bug Fixes
- ๐ผ๏ธ Photo widget now fills the space when resized to 4ร2.
- ๐ฟ Fixed album cover and song info display errors in the Media Player and widget.
- โ๏ธ Enhanced overall system stability and smoothness.
- ๐ก๏ธ Updated to September security patch.
Notes:
Your device may use more power and feel warmer during installation. Performance will return to normal after the update is complete.
Nothing OS V3.2-250723-180023 Jul 2025

What's New in This Update
Widgets
- ๐ฑ Shared widgets now support more sticker types.
- โณ Countdown widget is upgraded with a new Recurring option and additional shape choices.
- ๐ถโโ๏ธ Pedometer and Screentime now support sharing.
General Improvements and Bug Fixes
- โ๏ธ Added default gallery selection for previewing photos in Camera settings.
- ๐ท Enhanced stability of the Camera.
- ๐ Resolved Bluetooth call issues in Telegram when connected to some watches and earbuds.
- ๐ค Fixed Inter font display issues in Instagram, Subito and other apps.
- ๐ก๏ธ Updated August security patch.
- โ๏ธ Enhanced system stability and optimised system performance.
Notes:
The device may experience temporary overheating and increased power consumption during the upgrade and will quickly return to normal after the upgrade is complete.
Nothing OS V3.2-250609-21119 Jun 2025

What's new in this update
New Features
- ๐ Introducing Privacy space: Swipe right in the app drawer for quick and easy access to your secure zone.
- ๐ You can now set a separate privacy password for both App Locker and Privacy space.
- ๐ถ Hotspot Manager: Easily manage devices connected to your hotspot.
General improvements and bug fixes
- ๐ง Fixed incorrect volume display for Bluetooth headphones in some cases.
- ๐ท Fixed incorrect zoom bar display in the camera in some cases.
- ๐ ๏ธ Fixed accessibility issues in Launcher, Gallery and other apps.
- ๐ Improved reliability of face and fingerprint unlocking.
- ๐ก๏ธ Updated to June security patch .
- โ๏ธ Enhanced system stability.
Notes:
The device may experience temporary overheating and increased power consumption during the upgrade and will quickly return to normal after the upgrade is complete.
CMF Phone 1 Update FAQ
How do I install a Nothing OS update?
Open Settings, go to System, then System update and tap Check for update. Keep the phone on Wi-Fi with at least 30% battery. Rollouts are staged, so the update can reach your device days after it appears here.
Why has my phone not received the update yet?
Nothing releases updates in phases by region and carrier. A build listed on this page means it has been published, not that it is live for every user. Waiting a few days is normal.
Is it safe to update to a new Nothing OS version?
Yes, official OTA updates are safe, but back up photos, contacts and call logs first, especially before a major upgrade. Your phone may feel warm and use more power right after installing.
What do the build numbers mean?
A build such as B4.1-260415-1709 reads as branch B4.1, build date 26-04-15 (15 April 2026) and build time 17:09. Builds starting with V belong to Nothing OS 3.x, B to 4.x and C to 5.x.
Is this site official?
No. Nothing Firmware is an independent community project and is not affiliated with Nothing Technology Limited.