Download Verizon & T-Mobile One UI 4.0 based on Android 12 for Snapdragon Galaxy S21 series

Samsung concluded the One UI 4 beta program for the flagship Galaxy S21 series in the United States earlier this month. The Galaxy S21, S21+, S21 FE, and the S21 Ultra have now started receiving stable One UI 4 firmware update based on Samsung’s Android 12. Here are US network carriers such as T-Mobile and Verizon releasing the first Android 12 OTA update for the Snapdragon Galaxy S21 series.

The Exynos Galaxy S21 series started receiving Android 12 yesterday with build 3BUK for the international or global variants. Today, carriers like Verizon and T-Mobile released One UI 4 for the Galaxy S21, S21+, S21 FE, and the S21 Ultra in the United States.

Downloading One UI 4.0 Android 12 on US Verizon Galaxy S21 Ultra
Downloading One UI 4.0 Android 12 on US Verizon Galaxy S21 Ultra

As the Snapdragon variants in the US are very much dependent on the network carriers for software updates, it’s up to carriers like T-Mobile and Verizon to release One UI 4.

Moreover, Samsung unveiled the official One UI 4 rollout schedule; wherein the Galaxy S21 rollout was listed for as soon as November 2021.

Also, download and install the latest stable One UI 4 / Android 12 firmware for the Snapdragon Galaxy S21 series directly from Samsung servers.

What’s new with One UI 4 Update?

Samsung, in a press release, also unveiled what’s new with OneUI 4 for the Galaxy S21 series; basically acknowledging the Android 12 rollout.

Your Galaxy, Your Way

One UI 4 enables you to create a customized mobile experience to meet your unique needs and express your individuality. With a whole host of new Color Palettes to choose from, you can alter the look and feel of everything from your home screen to icons, menu, button and background. And with reimagined widgets that offer even deeper customization, it’s never been easier to put your own personal stamp on your smartphone experience. You can even more effortlessly express yourself with a wider variety of emoji features, GIFs and stickers available directly from your keyboard.

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Protect What Matters Most

There’s no privacy without strong security. That’s why, with One UI 4, Samsung is bringing the latest privacy and security features, so you can choose exactly what you want to share or keep private. From alerting you to when an app is attempting to access your camera or microphone, to a new privacy dashboard that brings all your settings and controls into one convenient place, with One UI 4, monitoring and controlling your privacy settings is simple.

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Connecting You to an Extended Ecosystem

One UI 4 helps you to get the most out of Samsung’s incredible extended ecosystem of devices and third-party apps, unlocking a more powerful mobile experience.

Samsung’s partnerships with other industry-leaders, like Google, ensure seamless experience when using your favorite third-party apps and services. This means you can enjoy apps like Google Duo, which provides high-quality video calls with friends and family.

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And whether you’re using a Galaxy Z Series, Galaxy Watch or Galaxy Tab, you’ll get the uniformed look and feel across your devices, and will be able to seamlessly sync them.

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One UI 4 will be available on the Galaxy S21 series starting November 15th and will soon become available on previous Galaxy S and Note series as well as Galaxy Z series, A series and tablets.1 This announcement comes alongside a new software update for the Galaxy Watch series2 that, starting today, enables users to enjoy enhanced health features and new watch faces.

One UI 4 Features & Changelog

Download One UI 4 firmware for Snapdragon Galaxy S21 (Plus) (Ultra) directly from Samsung Servers

The easiest way to download One UI 4 for Galaxy S21, S21+, and S21 Ultra is by visiting settings > system update > download updates manually. You can also download the full stock One UI 3.0 firmware updates using SamFirm tool or the Firja Tool and install via Odin Flashtool.

You can use the SamFirm (Samsung Firmware Downloader) tool and the newly added Frija (also a Samsung Software Downloader) in order to download the full stock firmware directly from Samsung Severs.

  • First, download and extract the latest SamFirm tool or the Frija Samsung Firmware Downloader.
  • Go to About Phone under Settings on your S10 device and note down the model number like SM-G991U (locked) or SM-G991U1 (unlocked) for Galaxy S21. Refer the table below.
  • Find the CSC code for your Galaxy S21 phone from here. Also known as a region or product code. In this case, we are using VZW for Verizon and TMB for T-Mobile Android 12.
  • Input the model number and region code.
  • Select or check the Auto box.
  • Also, check decrypt automatically box.
  • Hit check updates option.
  • Once the details are shown, hit the download button.
How to Download One UI 4 firmware using Firja Samsung firmware downloader series directly from Samsung Servers

Here is a list of Snapdragon Galaxy S21 series model numbers:

Galaxy S21 FE (SM-G990U) locked
Galaxy S21 FE (SM-G990U1) unlocked
Galaxy S21 FE (SM-G990W) Canada

Galaxy S21 (SM-G991U) locked

Galaxy S21+ (SM-G996U) locked
Galaxy S21+ (SM-G996U1) unlocked
Galaxy S21+ (SM-G996W) Canada

Galaxy S21 Ultra (SM-G998U) locked
Galaxy S21 Ultra (SM-G998U1) unlocked
Galaxy S21 Ultra (SM-G998W) Canada

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