Samsung Galaxy S20, S20+ & S20 Ultra OneUI 3.1.1 feature update

Samsung unveiled two new foldable smartphones earlier this month — the Galaxy Z Fold 3 and Galaxy Z Flip 3 — featuring the latest OneUI 3.1.1 firmware update. One UI 3.1.1 is a new feature update with updated apps, smoother or faster animations, support for new foldables, VoNR support, and several system improvements. Samsung is now expanding this OneUI 3.1.1 feature update to older Galaxy smartphones including Galaxy S20, Note 20, S10, and Note 10 series phones via latest Android security patch level.

Last week, Samsung released this update for the Galaxy S21 series via August security patch weighing over 1GB in size. T-Mobile variants of Galaxy S20, S20 Plus, and S20 Ultra are now receiving OneUI 3.1.1 features via latest August 2021 security update. While Samsung’s August 2021 patch won’t increment the build number to OneUI 3.1.1, it has most of its features.

According to Samsung community members, this is the best update ever because it brings several system optimizations like faster and smoother animations, quick app launch, a new weather app, Bluetooth menu now launches faster, new “Bedtime mode” toggle in QS, quick camera app launch, and most importantly VoNR support on T-Mobile network carrier and other regions.

OneUI 3.1.1 Features and Changelog

Here are some key highlights of OneUI 3.1.1 firmware update.

  • August 2021 security patch level
  • Faster animations.
  • New weather app.
  • Bluetooth panel loads faster now.
  • Camera app loads faster.
  • Fixed the heating problem on Galaxy smartphones.
  • New “Bedtime mode” toggle in QS
  • VoNR support on T-Mobile

T-Mobile Galaxy S20 (Plus) (Ultra) and Note 20 (Ultra) gets August 2021 security patch

Samsung’s August 2021 OTA is now rolling out for the T-Mobile Galaxy S20, S20+, S20 Ultra, Note 20, and Note 20 Ultra. The August update enabled VoNR for T-Mobile S21 series. T-Mobile Galaxy S20 and Note 20 users may expect the same.

The OTA weighs close to 1 GB in size with build number G988USQU2DUH1 for the locked T-Mobile Galaxy S20 Ultra variant and build G98xU1UEU2DUH1 for the unlocked variants. As for the Note 20 series, T-Mobile locked variants receiving build N98xUSQU2DUH1 and unlocked variants receiving build N98xU1UEU2DUH1.

The OTA weighs a whopping 1.2 GB in size for the Note 20 series. So visit Settings > System Updates to download OTA updates manually.

Voice over New Radio (VoNR) is a good addition to T-Mobile network. VoNR is basically VoLTE, but for 5G.

The same features are expected to come to the Galaxy S20 series, Note 20 series, Galaxy S10 series, Note 10 series devices in the coming days. The older 5G supported Samsung smartphones may also start receiving VoNR support. So stay tuned.

Moreover, Samsung will soon roll out the first One UI 4.0 Beta program for the Galaxy S21, S21Plus, and S21 Ultra devices; followed by the Galaxy Z Fold 3 and Galaxy S20 series. So join our Telegram Channel for OTA downloads.

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