Nothing OS 4.0 | Open Beta

Rob ⚡️ · 2025-09-30T12:00:00+00:00

### Nothing OS 4.0 Open Beta ![](https://cdn.nothing.community/2025-09-30/1759227558-662750-os4-beta-phone3-16x9-large.jpg "banner") [**Update**: OS4 Beta downloads have now ended for all devices. Enrolled testers are encouraged to continue sharing feedback!] We’re excited to bring you the **Nothing OS 4.0 Open Beta**. This is your chance to try out the newest features from Nothing OS alongside Android 16 before the official release. **Here’s what you can expect with Nothing OS 4.0 Beta:** ‎ **📱 Phone (3)** Phone (3) introduces the AI usage dashboard in Essential Space, giving you greater transparency over large model activity. This update also includes general improvements and bug fixes, with better lock screen and AOD performance, optimised brightness behaviour, enhanced camera stability, improved Bluetooth stability and compatibility, stronger Wi-Fi connectivity and network stability, and overall system stability enhancements. ‎ **📱 Phone (2), (2a) & (2a) Plus** These devices now include the “Stretch” Camera preset, created with photographer [Jordan Hemingway](https://nothing.community/d/37673), which enhances photos with rich shadows and extended highlights for a more distinctive look directly from the Camera app. In addition, this update brings system-level app optimisation to improve startup speed, available under ***Settings > Apps > App optimisation***. ‎ **Other new features** 🟢 Pop-up View with two floating icons for faster switching ⏱️ Two new lock screen clock faces ↔️ 2×2 Quick Settings tile support 🌑 Extra Dark Mode *(**Settings > Display > Dark theme > Extra dark mode**)* ### ***‎-*** ### **✨ Essential Apps & Playground** Essential Apps are now live. You can create widgets with AI and share them in Playground alongside Camera Presets and EQ Profiles. With Nothing OS 4.0, Phone (3) supports up to 6 widgets and other models up to 2, a temporary limit set to keep performance smooth.[ Learn more in our Essential post.](https://nothing.community/d/43142) ### - ### **Notes** * Please back up your data (photos, call logs, contacts, etc.) before installing any of our Betas. * Your device may temporarily heat up and consume more power after updating. This will return to normal shortly after installation. **How to join:** * Make sure your device is on the latest stable build, go to ***About phone*** **> *banner.*** You need to have the following versions installed to take part: * **Phone (3):** Metroid-V3.5-250911-2112 * **Phone (3a):** Asteroids-V3.2-251013-1406 * **Phone (3a)** **Pro:** Asteroids-V3.2-251013-1406 * **Phone (2)**: Pong-V3.2-250917-1451 * **Phone (2a)**: Pacman-V3.2-250904-1648 * **Phone** **(2a) Plus**: PacmanPro-V3.2-250904-1704 > **⚠️ Disclaimer:** Our Open Beta OTA servers have **now closed** for Phone (2), (2a), (2a)+ and (3). (3a) and (3a) Pro downloads are still available [here](https://nothing.community/d/45141-nothing-os-40-phone-3a-series-open-beta "(3a) Series downloads"). **Then:** 1. Download our [Beta Updates Hub .apk ](https://d2j3l8bo7dc01w.cloudfront.net/NothingOfflineOtaUpdate_signed_I8b71f630b74e3dcb939d33d99815d63507c48298.apk?Expires=2017212322&Signature=0ZSGSzoDMAAgBSkxkDIBiLIFsnxsod0jHYr2IH3wYUhANZmSNBjlghmxgrFikEJSrigIqd708z0JxSWy28~~2nS3qoNnXGChY90xZt0c0htScM4DPfPW~vDk2nZiO8IZfOneeXODuf5MQ3sjytJD45oF5yDPaJ0MKG24j4wBfs~V5GA4kf-GFRotIuUjkzA1GaCwA4NyUs-1L5jx~ZTlBJLCaxAMWDRYTN9-Ve9gPVrm-9bmLf1~ouM3bQM3zZHMIXO0Fu74S4XnxhZH4iXNWPVfHHBQe3cM~Iq0zbVRaSWPZpPFZaY-rbA~YDEi524CKxzC1mvyFmpjyMlTQHVX3w__&Key-Pair-Id=K1EOR8HYJKSWP1) and install it from your **Downloads** folder. 2. Go to ***Settings > System > Nothing Beta Hub***. 3. Tap "***Join Beta***" to sign up. After successful registration, Tap "***Go to Update***" to upgrade. **Tip:** * If tapping "***Go to Update***" fails, check manually by heading to ***Settings > System > System updates*** and check for updates. **Once installed:** * We encourage you to share your feedback to help us continue to refine the experience. * Your feedback can be shared via ***Settings > System > Feedback***, or join the discussion here on[ ](https://nothing.community)nothing.community via our [dedicated threads](https://nothing.community/d/43340-nothing-os-40-open-beta-feedback "Feedback threads"). > **⚠️ Disclaimer:** This is Beta software and may interfere with your data. It could also require a factory reset. Please back up your data before updating. ### - ### **Rolling back to Stable** If you need to return to Nothing OS 3.5 for any reason, follow these steps: 1. Download the relevant rollback package: [Phone (3)](https://d2j3l8bo7dc01w.cloudfront.net/ota_diff_20250917_121804_20250911_211219.zip?Expires=2017398416&Signature=cPqO57520XONBQMau-1d9tL1d~4mU1Iy2ulJ7FmmKXkLSLDaJ1mJzMo~SJrou677VRNMVf8Twttzp~d21x-9RHJWbCwwjJ1mqlJ154qAzZVpT8HNVxTIJ5nCDtNj0ED3x02Tcu01hWPIjS4xl9C4Ay2U~qzSCuXTA4Hma5UEXWblyVRftEczDZsxlACrU4k5ksaI6lAMBvDkTk-n7ahHD00gF1Rt7s18xi0HWamAim0AQXQQeXh6ocqtPXtWME~yw8hoWTcu3YeXV8aX0fTRMCla3-ET9ClUuLiWUqLf0Qdps4YCwxsepOwVsAU5zgm4iJiFyc3bOze1-LOZde1pHA__&Key-Pair-Id=K1EOR8HYJKSWP1) [Phone (3a)](https://d2j3l8bo7dc01w.cloudfront.net/ota_diff_20251021_153926_20251013_140655.zip?Expires=2020301093&Signature=eQRpvjndBp9OAvanVEuR8yUlM-4wLe9Ce7HDuvGOAnDP0HHc8Tjg2oaevNBY-gqxMXgDTCIhH--HCl9AxxSFEIW5PsDpugN9Yg7TZL-e4x7Uj5n~uDudHuA1Yup4~kTflSRIG5-MqpwLd0gd6SUt5kjzI1tknuU0Hp50DqVXl4GVJx44f-wz5~pkJMPfgIaKebkq29p0ocozH9rWJ-FKZvS4yQX83GBKBm23wvRc2bDv60bxu1a4i08Y37y61RPaBvjvtm1bsmEAEhYNNchxPWnqC1qhuhEWp1~-aNaxPnuuCxdIPlzLFNiKGGzEc8vs3ostYqKGXbvI3abRhFOTsw__&Key-Pair-Id=K1EOR8HYJKSWP1 "(3a) rollback") [Phone (3a) Pro](https://d2j3l8bo7dc01w.cloudfront.net/ota_diff_20251021_153926_20251013_140655.zip?Expires=2020301093&Signature=eQRpvjndBp9OAvanVEuR8yUlM-4wLe9Ce7HDuvGOAnDP0HHc8Tjg2oaevNBY-gqxMXgDTCIhH--HCl9AxxSFEIW5PsDpugN9Yg7TZL-e4x7Uj5n~uDudHuA1Yup4~kTflSRIG5-MqpwLd0gd6SUt5kjzI1tknuU0Hp50DqVXl4GVJx44f-wz5~pkJMPfgIaKebkq29p0ocozH9rWJ-FKZvS4yQX83GBKBm23wvRc2bDv60bxu1a4i08Y37y61RPaBvjvtm1bsmEAEhYNNchxPWnqC1qhuhEWp1~-aNaxPnuuCxdIPlzLFNiKGGzEc8vs3ostYqKGXbvI3abRhFOTsw__&Key-Pair-Id=K1EOR8HYJKSWP1 "(3a) Pro Rollback") [Phone (2)](https://d2j3l8bo7dc01w.cloudfront.net/ota_diff_20250928_200323_20250917_145149.zip?Expires=2018335440&Signature=GZuT4DGrgRMUM60NovPwPmd5gssakJHj538gn~kOE6EsMTi1b~htyfa4g5YwPYFxxhkALlf3pogaosONT2Fm5dHvzt1wHkENMxsf5bc7Xdl1NF3zUFgBNFnIudS4-iHhmmtrehIx33~TQyjz1zQO1ztyrW6WGvgbpNmIIbu61ie14BhMO3g9W9GLbns4rmvsZgiD9x8HBtBtR~sBdupTs3W38uTMRlSq7TCX3V6h8bpyB~TWAAr89R8ndrPilxYMalmX6UTn084RH9xZC7NjYtRtgabsQx0X85Pi2UrXkPvhdBf5~Nwu5JVoiC2tCoMUwcHfoTfX~46b~aKpif1wuQ__&Key-Pair-Id=K1EOR8HYJKSWP1 "Phone (2) Beta") [Phone (2a)](https://d2j3l8bo7dc01w.cloudfront.net/ota_full_downgrade_20250904_164803.zip?Expires=2017994852&Signature=LOcKk6t56-FCKmQQEu0VHnuxQDB423J7cwUqTtepzhteamm0QkzjLW1S7rEUIb1quaRk09p6HC7awjvhWrr7j8g4OgoB77aBXRfHnf9zvyHHTSLQfPyRNrFAhUNt8YEt4aFwYpUGMrls-73RJH89ZqHF5Zf35TyaXd076iQ2K0-pbwUcWMX5InZbbMeMnNcxfxZifVVATF-nZdIxaM4P8uZJQEd8sPvHDUXYoQM6RNAvHiXkrHxi7EeUa0eqakpSbxqg3C6U2qh6neSRLF3f-WLHoqhpSwyQUeHS1uz6ND869-db95p-Zj8nILEmMfbkjLiS~et22-g17KI14AKCdg__&Key-Pair-Id=K1EOR8HYJKSWP1 "Phone (2a) Beta") [Phone (2a) Plus](https://d2j3l8bo7dc01w.cloudfront.net/ota_full_downgrade_20250904_170416.zip?Expires=2017994875&Signature=LILS4QXiVgBAbS5Och1r4sGviY-GHAd6fgdlbT8DU7dhDomspEA1xZmYPgnnDJyxPFasjZODsRvRg~nVxQOFjyUlsgJGrszXQeei8cgK~KsIfDtR0UirTpaCIooamIRy69rjmnM2Tbkoy3tqzJjhR2LY3ymqwNEAQnqWJCCqlGLgMYdIbwtvKBCAOXa1rnrHh~~ShGRE6sLUGRuGNHWoSOubbJADoR-eg4DJ3qnYApeHsBiVJM-orYL3IPDlO1eyw~V~8aXy8sO~GHeB7OLoSMmvEvRN5Bq5eEfyOp1QPf2K7cp0crdxU-FobhqKY0lZC~1~EKJ1dzRVTURVcbBqag__&Key-Pair-Id=K1EOR8HYJKSWP1 "Phone (2a) Plus Beta") 2. Go to ***Settings > System > Nothing Beta Hub*** 3. Tap Import file and select the package. 4. Follow the on-screen instructions. **Tip:** * If you see an error, create a folder called ***Documents*** in ***Internal Storage*** and try again. > **⚠️ Disclaimer:** Rolling back will factory reset your device and erase all data due to Google’s rollback rules. Please back up everything before proceeding. Nothing cannot accept responsibility for issues caused during rollback. For help, contact customer support. **Other Open Beta Release Dates** The Open Beta for **Phone (3a) Series** has now arrived, read more about it in [this dedicated post](https://nothing.community/d/45141-nothing-os-40-phone-3a-series-open-beta "(3a) Series Post").

EstebanGil_ymaeeF8YA5

Arcalius I’m on the EEA version too and I could update

Jos_AlejandroGarc_aRever_n

Jiří Mrázek same here, anyone was able to solve this?

DhirajIngle

Jiří Mrázek same happened with me but I have nothing phone 3 which I have just bought 3 days ago

nicodr63

jasnamSingh Reboot your phone and try again.

It worked for me, but I haven’t received any update yet 🙃 (Phone 2)

jasnamSingh

nicodr63 yeah i got the option to go to update after “join” was successful, but didn’t get the update🙁

Florian_QkmG0C5kiY

SaiSandeepAkula das ist bei mir genauso. Leider. Ich hab das 2a.

Yuvraj Choraria

Rob ⚡️

It’s showing like this on my np2

Turb0

Antonio_Luis does it works with your global?

NorinnPenn

@“Rob ⚡️”#p21721

So 2a doesnt has new status bar yet

coriano2919

NorinnPenn In 2a what changes with the new update?

Jos_AlejandroGarc_aRever_n

Finally got it

Just spam update until It pop ups

matomekgatle

AlphaTauri

Update not working on my phone 2a, any idea why?

Jos_AlejandroGarc_aRever_n

matomekgatle just spam It

Ignore the message until It appear

ChiragGondaliya

Rob ⚡️ what is for cmf phone 2 pro , when come for cmf phone 2 pro ?

matomekgatle

Jos_AlejandroGarc_aRever_n still not working 🙁

GreenBear

Rob ⚡️ where’s phone 3a?

Mr Steel

GreenBear, as mentioned in the post:

The Open Beta for Phone (3a) Series will arrive soon in October with a few new exciting features - it’ll be worth the wait, thanks for understanding.

Grigius

Someone test the camera shutter speed in low light please

b_aditya

Waiting for nothing phone 3a

DibyadyutiDas

Rob ⚡️ is this not for Galaga-V3.2-250903-2153-IND

Is beta updates are not for cmf

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