Samsung One UI 3.0 Open Beta Program (ZTJ3): How to Apply

Samsung has started releasing the One UI 3.0 Open Beta to the public. This is the second beta program and is open to all users who wish to try the new Android 11 version, unlike the previous closed-beta program, which was limited to only developers, who could apply and join to test their software. The One UI 3.0 Open Beta firmware is currently available only to Samsung Galaxy S20 and S20 Ultra users in South Korea and the United States. However, more countries are expected to join soon.

One UI 3.0 Open Beta Update – Firmware Details

This is the first firmware that all users can freely download online. The only requirement is to join the beta program, which can be easily done. If you want to skip this part, then jump to the last section to learn how to join the beta program.

one ui 3 update screenshot
A screenshot of changelog of One UI 3

The firmware number of this update is ZTJ3. The full firmware version for the Samsung Galaxy S20 Ultra (SM-G988U1) is G988U1UEU1ZTJ3 / G988U1OYM1ZTJ3 / G988U1UEU1ZTJ3. This is the Snapdragon variant of the phone. As per usual, phones with the Snapdragon chip always the Beta builds before their Exynos counterparts.

The size of the file is just under 850 MB, and it comes with October 2020 security patches. According to the screenshot, this particular update includes stability improvements, bug fixes, enhanced features and more. However, this is the typical changelog that Samsung uses for minor OTA updates, and we know that is not a typical update. In fact, this is one of the biggest updates that Samsung phones will get this year, where the main highlight is the new Android 11 software.

One UI 3.0 Open Beta – Eligible Phones

At the moment, only the Snapdragon variants of the Samsung Galaxy S20 and S20 Ultra are eligible. Furthermore, you need to be in the United States or South Korea. However, Samsung has plans to widen the range of eligible devices, including the Galaxy Note 20 and Note 20 Ultra, and Exynos variants of the Galaxy S20.

  • Galaxy S20: Exynos SM-G980F & Snapdragon SM-G980U
  • Galaxy S20+: Exynos SM-G985F & Snapdragon SM-G9805
  • Galaxy S20 Ultra: Exynos SM-G988F & Snapdragon SM-G988F
  • Galaxy Note 20: Exynos SM-SM-N980F & Snapdragon SM-SM-N980U
  • Galaxy Note 20 Ultra: Exynos SM-N985F & Snapdragon SM-N985U

How To Join Samsung One UI 3.0 Open Beta Program

Samsung has made it very easy to apply and enroll into the One UI 3.0 Open Beta program. You do not need anything special besides Samsung Members, an app that comes pre-installed. If for some reason you cannot find it, you find it on the Google Play Store.

If you already registered into the previous pre-beta program, all you have to do is to go to Settings > Software Update > Download and install. If you are not registered, however, there are a few easy steps you have to take.

Download Samsung Members if you haven’t already done so. Open the app, and tap on the little bell icon at the top. Under Notices, there should be a new banner inviting you to enroll in the program. Tap on the banner and follow the steps provided there.


Congrats! You have enrolled in the beta program. If you do not see anything under the notices section, it means that your phone is not eligible or you live in a region where the update hasn’t rolled out yet. Let us know below if you have any questions.



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