Download the firmware flash for Samsung Galaxy S21 5G with the code is SM-G991U. This firmware for the region with CSC code is TMB (TMB - United States). Please make sure the code is correct. You can check model code in Setting - About, in Download mode or you can find it by flipping your phone or among the things you found in the box. This product PDA version is G991USQU5EWAI and Android version is T(Android 13). This firmware size is 6.96 GB.
This firmware is official from Samsung Cloud Server. Of course, we recommend you are using official Samsung tool like Samsung Smart Switch or Samsung Kies. Samfw.com will not responsible for any damage caused by using the files on this website
One UI 5.1 takes your phone to the next level with new Gallery features as well as productivity and personalization enhancements.
Camera and Gallery
Quickly change the color tone for selfies It's easier to change the color tone of your selfies using the Effects button at the top of the screen.
More powerful search You can now search your Gallery for more than one person or subject at the same time. You can even search for people without tagging their names just by tapping their faces.
Enhanced image remastering Remastering does more to make your pictures look great by removing shadows and reflections. You can also remaster GIFs for better resolution and clarity. Preview has also been improved to make it easier to compare the original picture with the remaster.
Create a shared family album Itโs easier than ever to share pictures with your family. Gallery will recommend pictures to add to your shared family album by recognizing the faces of family members you select. You get 5 GB of storage for each family member (up to 6 people).
Revamped info display When you swipe up while viewing a picture or video in your Gallery, you can see when and where the picture was taken, which device took the picture, where the picture is stored, and more. Now with a simpler layout.
Multitasking
Easily minimize or switch to full screen You can now minimize or maximize an app window without going to the options menu. Just drag one of the corners.
Access your most used apps in split screen When you start a split-screen view, the apps you use most often will be shown below your recently used apps to help you find the apps you need faster.
Improved multitasking in DeX In split-screen view, you can now drag the divider in the center of the screen to resize both windows. You can also snap a window to one of the corners to make it fill a quarter of the screen.
Modes and Routines
Change wallpapers based on your mode Set a different wallpaper based on your current activity. Choose one wallpaper for work, one for exercising, and more.
More actions for routines New actions let you control Quick Share and Touch sensitivity, change your ringtone, and change your font style.
Weather
Quick access to useful information Check severe weather alerts, daily weather summaries, and sunrise/sunset times at the top of the Weather app. The temperature graph now uses colors to show how the temperature changes throughout the day.
Hourly precipitation graph An hourly graph now shows how much precipitation has fallen at different times of the day.
Summary on Weather widget A brief summary of the current weather conditions now appears on the weather widget to let you know if it's sunny, cloudy, raining, or snowing.
Samsung Internet
Continue browsing on another device If you're browsing the web on one Galaxy phone or tablet and later open the Internet app on another Galaxy device signed in to the same Samsung account, a button will appear that lets you open the last webpage you were viewing on the other device.
Improved search Your searches now include the names of bookmark folders and tab groups. Improved search logic lets you find what you're looking for even if something isn't spelled correctly.
Additional changes
Check the battery level of your devices The new Battery widget lets you check the battery level of your devices, right from the Home screen. You can see how much battery is left on your phone, Galaxy Buds, Galaxy Watch, and other supported devices.
Settings suggestions While signed in to your Samsung account, suggestions will appear at the top of the Settings screen to help you share, connect, and enhance your experience across your Galaxy devices.
Spotify suggestions The Smart suggestions widget now recommends Spotify tracks and playlists based on your current activity. Get the perfect tunes for driving, exercising, and more. To get suggestions, you need to sign in to a Spotify account in the latest version of the Spotify app.
Choose where to save screenshots and screen recordings You can now change the folder where screenshots and screen recordings are saved.
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