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").

Temico

JoeDissolvo i feel you, can’t wait, on the site daily 😅

thelahee

ATHARVASUBHEDAR no public beta for cmf, wait for the release

_vj_XtCvnZH7SN

3a and 3a pro can update nothing os4.0

Fahad

JoeDissolvo yes. Its come today

SarveshHaldikar

JoeDissolvo It has released btw!

RajMourya_6e6IvB0MQt

I am not able to download nothing 4.0 open beta

It’s showing that my phone is not on the list

Phone is 2a plus and its latest updates???.! Idk what’s the problem

Acid_css1754

RajMourya_6e6IvB0MQt becoz they closed beta for nothing 2a plus. Now you will receive stable version..

PeymanDehghan

October is nearly over, pls release the upsate for Nothing 3a 🙁

vigneshkdm01

PeymanDehghan upadate arrived

Carter

PeymanDehghan 3A series open beta is released just now

OFn

daniel_schleiger

Carter Where?

AK_tt

daniel_schleiger in da phone

Carter

daniel_schleiger you need to install beta APK and Join beta then you can get OS for open beta update

daniel_schleiger

AK_tt No like where can I get it? Doesn’t show up in updates because it is a beta

Carter

daniel_schleiger Rob has already mentioned this in this post, please read the post carefully again, not in the comments

SunnyGupta_8LTFjAPQgH

Where Nothing phone 3a rollback package?? like other nothing device

daniel_schleiger

Carter But it till says the beta will come sometime in October?

UzayrShaikh

Yousefwaheb771 I got it in nothing 3a pro

Carter

daniel_schleiger It’s released but it don’t re edit the post. You just do it it’s okay

« Previous Page Next Page »