Nothing OS 4.0 | Phone (3a) Series Open Beta

Rob ⚡️ · 2025-10-24T09:05:00+00:00

![](https://cdn.nothing.community/2025-10-23/1761222596-454812-os4-beta-phone3a-16x9.png "banner") The Open Beta for Nothing OS 4.0, powered by Android 16, is now available for the Phone (3a) Series. This update lets you experience the latest version of Nothing OS ahead of the official release and share your feedback to help us refine the final build. #### **What’s New** **📱All-new Nothing icon design** A refreshed visual language that’s lighter, more refined, and uniquely Nothing. Expect further improvements based on your feedback. ![](https://cdn.nothing.community/2025-10-24/1761296699-291664-image.png "banner") **📸 “Stretch” Camera preset** Developed in collaboration with photographer *Jordan Hemingway*, this preset enhances photos with deeper shadows and extended highlights for a distinctive, cinematic look straight from the Camera app. 🖼️ Lock Glimpse Lock Glimpse brings fresh, high-quality wallpapers to your lock screen, curated to your taste across nine categories. It can also surface timely updates and useful content designed to enhance your experience. The feature is turned off by default. You can enable it anytime in Settings, refresh wallpapers, adjust your preferences, or choose to access it only by swiping left. Everything stays in your control. Built with privacy in mind, Lock Glimpse will soon let you display your own photos on the lock screen, replacing all other content and making every unlock uniquely yours. ![](https://cdn.nothing.community/2025-10-24/1761295380-318183-frame-2147227094-2.png "banner") ⚡All other features remain the same as in the previously released [Nothing OS 4.0 Beta](https://nothing.community/d/43141-nothing-os-40-open-beta). #### Notes Please back up your data (photos, call logs, contacts, etc.) before upgrading. The device may temporarily heat up and consume more power after updating. This will return to normal shortly after installation. **How to join** 1. Make sure your device is on the latest stable build, go to About phone > banner. * *Phone (3a): Asteroids-V3.2-251013-1406* * Phone (3a) Pro: Asteroids-V3.2-251013-1406 * Open Beta OTA terminals will be **closed** on November 7, meaning you will not be able to join the Beta after this date. 2. Download the [Beta APK ](https://d2j3l8bo7dc01w.cloudfront.net/NothingOfflineOtaUpdate-_master_signed_I2b0e9336c25c26bf7fc89ff868f05a536a98ba5d.apk?Expires=2020213529&Signature=q7z7pEUcZWPO44JjIvPkwJiORQukBHXNzkrfPCR7aBe1ZY3sJ4tYZiyeT7oN8PqUVoa4dHkDIfYlxuvphYRQZMtaqm34plbC300F25Gl0E7e~pGAwFGl6IOTVQLpXsXYo1KW8FMsO1ZzRRZt3wUUDQgrdhLj3v-prsoZmXBocn86mBx3-6hj0qLRN0NTf~V5RO3sz1R-SlnfTXQJ~QZ0MszEc8mGOM6QWIypUV4H7yzYhbGSJZOgnUHzrl0~tebFMBd95kInxtNk2dx7eZ8TwcW6ksj260VldXMsyMCwkbEni~laoZkEszsFZpO2Rr8EevMrx4fgObR8~oocjZqjnQ__&Key-Pair-Id=K1EOR8HYJKSWP1) and install from your downloads folder. 3. Go to Settings > System > Nothing Beta Hub. 4. Tap "Join Beta" to sign up. After successful registration, Tap "Go to Update" to upgrade. **Note:** Tap "Go to Update". If the redirection fails, please manually go to Settings > System > System updates and check for updates. As this is a Beta, it isn’t the final version. We encourage you to share your feedback as we continue to refine the experience. Your feedback can be shared via Settings > System > Feedback, or join the discussion on[ nothing.community](https://nothing.community). > ⚠️ 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. ### Rollback to Stable 1. If you need to return to Nothing OS 3.2: 2. Download the rollback package [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) [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) 3. Go to Settings > System > Nothing Beta Hub. 4. Tap Import file and select the package. 5. 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. ‎ ### [UPDATE] - 31 OCT - OBT2 **Nothing OS 4.0 Open Beta 2 is now available for the Phone (3a) Series.** This update includes general improvements and bug fixes to enhance overall performance and stability. Users already on Open Beta 1 can detect and install the update directly from their phones. The Beta APK is not required. **Rollback to Stable:** **If you need to return to Nothing OS 3.2:** **From OBT 1 (Asteroids-B4.0-251021-1539), download the relevant rollback package:** **[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)** **[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)** **If you’re on OBT 2 (Asteroids-B4.0-251027-1838), download the rollback package** **[Phone (3a)](https://d2j3l8bo7dc01w.cloudfront.net/ota_diff_20251027_183806_20251013_140655.zip?Expires=2020920845&Signature=jjwq883k11ZMN0ng-tkJf0nyy7PPFa7LNENnHDUa8S42qtRyD9IQbZ2ZFJF2UtF7raMO-Yy5RSyvOETRasAOHfFD9kQKl1X57gFO500DYnePvmEN5XBC7xUf-nuOrerTZsOkbzPgBs8QpjzOfY6buslicpdPm-k92IlWATO9lRlw6ajLXUnwuNpCdAGxRE~flNDJ6zFZjEpnk6~2vPwveAqVExwJ6o485WFkKqkVa0NlWzWHMBVaPvwknB4gcHFrEuTLBbFdPcZZAfVoyuzzBIThB9WckXFcWhtHdCwWVeoM0iu2j24w5Dj1FIeIyifppv5OMFUYluZ-Zi3o8EyPaA__&Key-Pair-Id=K1EOR8HYJKSWP1)** [Phone (3a) Pro ](https://d2j3l8bo7dc01w.cloudfront.net/ota_diff_20251027_183806_20251013_140655.zip?Expires=2020920845&Signature=jjwq883k11ZMN0ng-tkJf0nyy7PPFa7LNENnHDUa8S42qtRyD9IQbZ2ZFJF2UtF7raMO-Yy5RSyvOETRasAOHfFD9kQKl1X57gFO500DYnePvmEN5XBC7xUf-nuOrerTZsOkbzPgBs8QpjzOfY6buslicpdPm-k92IlWATO9lRlw6ajLXUnwuNpCdAGxRE~flNDJ6zFZjEpnk6~2vPwveAqVExwJ6o485WFkKqkVa0NlWzWHMBVaPvwknB4gcHFrEuTLBbFdPcZZAfVoyuzzBIThB9WckXFcWhtHdCwWVeoM0iu2j24w5Dj1FIeIyifppv5OMFUYluZ-Zi3o8EyPaA__&Key-Pair-Id=K1EOR8HYJKSWP1) Go to Settings > System > Nothing Beta Hub. Tap Import file and select the package. 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.

SohamKajave

Hello Team Nothing

i registered myself for beta update hub .

i updated my nothing 3a device 3.2 to beta 4.0

now i rollback to 3.2 .

but still system update showing beta update 4.0

i want to receive official update from nothing rather than beta

KichuS

Battery drain is spped

salinasunzar

when will CMF phones get nothing os 4?

RawVkiran

https://cdn.nothing.community/2025-11-01/1761963821-356234-vid-20251101-wa0002.mp4

Since updating to Nothing OS 4.0 Open Beta 2 on my Nothing Phone 3A, I am experiencing a noticeable jelly effect on the background whenever I try to take pictures. The background distorts and creates a wobbly or waving effect, which was not present before the update. This makes the camera experience poor and affects image quality..

I have attached a screen recording demonstrating this issue clearly. Please advise on any fixes or expected updates to resolve this bug..

krizxjr

RawVkiran

Did you log the feedback through settings ?

Coldpaw

RawVkiran Please advise on any fixes or expected updates to resolve this bug..

Since this is the Nothing OS 4.0 beta test, bugs like this are expected to happen. Do your part and report the issue via the feedback form in the settings menu and wait until they fix this - but again as this is beta software, you can't really press anybody to hurry up with the issue.

KichuS

Battery drain in 4.0 second update

RamuP_SotwpDNKBb

Nothing , not consider you post

andreti013

I have installed Beta APK but decided not to install NO 4 . 0 and not I get notification for the update. How do I remove Beta Hub from my device?

RawVkiran

I'll install and Post my experience..

CMF1_hacker

RawVkiran interesting and thank you.

Divyang_BEMADGENIUS_Kaptan

RawVkiran i need 50mp raw option

Banjer

Just updated and took a look at the installed apps. Lock Glimpse is still there, but at least no sign of the Meta stuff

RawVkiran

Banjer Yes they didn't remove.. and i don't think they'll rollback the Lock Glimpse..

shadoe17

Banjer I think the pre installed apps will be on the new budget phones (3a lite) right out of the box and not in updates for now

AyanBanerjee_mkWO4LNXvn

RawVkiran no

Naren

shadoe17 brother when you will reset the mobile then they will come

shadoe17

Naren did you…just factory reset your mobile to check that?

AbdulAzeem_pJ9xQlnU1F

Naren tbh I don't want to update my OS if they actually put some random bloatware apps. I recommend 3a to do many people and flexed that my phone 3a doesn't have any bloatware. Nothing is bringing it's downfall.

Naren

shadoe17

Nope but I read the thread by akis in which he clearly mentioned that in the first time setup there will be app suggestions..

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