One UI 5.1 update brings a slew of new features and improvements to make your Galaxy experience more innovative and smoother. Also, the update installs the latest Android patch released in February 2023 to improve system security and stability.

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According to the patch details of February month, the new update fixes four dozen vulnerabilities that were harming the files and data saved on the phone. These include 47 CVEs from Google’s Android OS and 7 SVEs from Samsung’s One UI software.

Samsung Galaxy S21, Galaxy S21 Plus, and Galaxy S21 Ultra are receiving One UI 5.1 update in Canada with versions G991WVLU5EWB2, G996WVLU5EWB2, andG998WVLU5EWB2 respectively. To install this update you will have to download a 1.6GB software package.

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This update is live for almost all carrier networks including – Verizon, Comcast, US Cellular, T-Mobile, and others. You can verify it through the firmware version G991U1UES5EWB5, G996U1UES5EWB5, and G998U1UES5EWB5.

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Samsung March 2023 patch:

Samsung’s March 2023 patch comes with improvements for system security and stability as well as fixes general bugs and issues that affect users’ experience. The details further mention fixes for over five dozen privacy and security-related vulnerabilities and exposures.

This update addresses 5 Critical and 35 High levels of CVEs from Google’s Android operating system that could lead to remote code execution. In addition, it fixes 23 Samsung Vulnerabilities and Exposures to further boost the One UI functionality and users’ experience.

Moreover, Samsung’s March 2023 patch details reveal a fix for Galaxy S21-specific vulnerability – “SVE-2022-0604(CVE-2023-21459)”. It was allowing attackers to cause memory access faults on smartphones.

Aside from these, the Samsung Galaxy S21 March 2023 update for carrier-unlocked models doesn’t bring anything noteworthy, as per the changelog. However, you might notice fixes for the problems and errors you faced after installing the last software update which is One UI 5.1.

Have you noticed battery performance improvements?

Galaxy S21 series customers have been reporting battery drain and overheating issues for a long time. Users were expecting it to be fixed with the major One UI 5.1 update but unfortunately, it didn’t happen.

However, the Galaxy S21 March 2023 patch solved battery-related problems for many consumers. They say that the device is giving better battery performance than earlier. Have you noticed any battery performance improvements on your S21? You can share with us through Twitter.

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This update carries improvements for system security and stability as well as fixes general bugs and issues that affect users’ experience. The company’s March 2023 security patch details mention fixes for over five dozen privacy and security-related vulnerabilities and exposures.

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As per the information, the latest update resolves 5 Critical and 35 High levels of CVEs from Google’s Android operating system. At the same time, it also fixes 23 Samsung Vulnerabilities and Exposures to further enhance the customers’ trust in security.

More specifically, the SVE fixes belong to Bluetooth, function driver, Galaxy Themes, Samsung Keyboard, System UI, and many other One UI services. Aside from these, Samsung’s March 2023 update brings an important patch to Galaxy S21 Exynos models – Read more.

Moreover, Samsung is releasing the March 2023 security patch update for Galaxy S21, Galaxy S21+, and Galaxy S21 Ultra in Germany with One UI built version G991BXXS6EWBB, G996BXXS6EWBB, and G998BXXS6EWBB, respectively.

Galaxy S21:

Launched in 2021, the Galaxy S21, S21+, and S21 Ultra are the famous Samsung flagships that camera pre-packed with Android 11-based One UI 3 operating system. The devices later get updated to Android 12 One UI and Android 13 One UI 5 operating systems.

The phones are currently driving the Android 13-based One UI 5.1 software and will get Android 14 as their last major Android update at the end of this year. Ahead of this, the corresponding device owners will also get a chance to run One UI 6.0 beta.

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The March 2023 update comes with One UI built version G998BXXS6EWBB, G996BXXS6EWBB, and G991BXXS6EWBB for the Samsung Galaxy S21 Ultra, Galaxy S21+, and Galaxy S21 smartphones in the UK, simultaneously.

Samsung March 2023 update

This update aims to optimize the device performance as well as the system’s security and stability to protect your important files and data from bugs and viruses and offer you uninterrupted functionality throughout One UI and third-party apps and services.

On the other hand, the devices get fixes for 45 issues as a part of Google’s March 2023 Android security bulletin and 23 Galaxy-precise Samsung Vulnerabilities and Exposures that were causing data leak, and other errors.

It is worth noticing that Samsung’s March 2023 patch details mention a fix for Galaxy S21-specific vulnerability – “SVE-2022-0604(CVE-2023-21459)”. It was allowing attackers to cause memory access faults on smartphones.

Galaxy S21 Battery improved with March 2023 patch

Multiple numbers of Galaxy S21, S21+, and S21 Ultra customers were reporting heavy battery drain and overheating issues. Consumers were expecting it to be fixed with the major One UI 5.1 update but unfortunately, it didn’t happen.

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Thankfully, the March 2023 Galaxy S21 update addresses the problem and substantially improved the battery life for many. The device is now offering a long on-screen time on a single charge in a day.

Anyways, if you haven’t received the update notification on your Galaxy phone, you can check the update manually through Settings >> Software update >> Download and install. Feel free to share your reviews about the Galaxy S21 March 2023 update through Twitter!

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As per the users’ information, these issues of Galaxy S21 are arising since the beginning. There are multiple reports on Reddit that says that users are facing battery draining and heating problems since they purchased the phone in 2021 and the company has not yet fixed them.

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A user on the Reddit platform claims that his Galaxy S21 smartphone is giving very less time on-screen. Even after using common social media applications, the phone gets discharged very fast and is heating with normal usage.

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In the meantime, a user says that he fully charged his Galaxy S21 smartphone at night and kept it aside after short use, when he woke up in the morning, the phone’s battery had dropped by 15% to 20% automatically.

That’s not it, there are various threads and reports about the battery drain and overheating issues of the Samsung Galaxy S21 smartphone. Customers are complaining about these for a long time but still, there is no fix.

Samsung needs to seriously work on this problem. Customers buy such flagship smartphones to get pro-grade performance without any issues and if these issues keep cropping up then what would be the purpose of a flagship? Such problems are not only affecting the performance of the phone but also reducing the trust of users in Samsung devices.

Samsung Galaxy S21 Bugs/Issues Thread: Heavy battery drain, overheating #Samsung #GalaxyS21 @SamsungMobile
Consumers having issues with their S21 can share their concerns/feedback in the comments.

— Sammy Fans (@thesammyfans) January 28, 2023

Updated on March 13:

Following so many reports of low battery performance for the Galaxy S21, a tipster says that the battery performance of his phone has improved substantially after the One UI 5.1 March 2023 update. The tipster is using the Exynos model of Galaxy S21 smartphone in India.

Don’t forget to let us know if the One UI 5.1 March 2023 patch fixed the battery of your phone as well.

Galaxy S21 OneUI 5.1 March update fixes battery..it's 90% on WiFi.. #GalaxyS21 #OneUI5dot1 #OneUI5_1 pic.twitter.com/4jLie8kVyB

— Tarun Vats (@tarunvats33) March 12, 2023

February 23:

A Galaxy S21 Plus model user has reported that his phone’s 85% battery is offering just 4 hours of screen time. He is using the phone with a 120Hz refresh rate, maximum 50% brightness extra dim, and location and mobile data off. This is normal usage but his phone is giving less battery life.

February 20:

The heavy battery drain issue continues to appear for Galaxy S21 users. A user briefed that even after replacing the phone, he has to charge the device 2 to 3 times a day as its battery is draining too early. He also claims that none of the apps is running in the background and still his S21 is consuming a lot of battery.

February 11:

Even the new buyers of Galaxy S21 smartphones are facing battery drain and heating issues. A user has told that his S21 barely lasts for half of the day as well as it gets heated all the time while using it.

February 7:

Many other Galaxy S21 series users have conveyed their concerns about the overheating problems they are facing on their smartphones. A user said his phone always gets uncomfortably warm during light use or even just sitting at the home screen with no background apps running.

February 6:

The battery drain issue of Galaxy S21 is getting worst with time. A user recently reported that his phone is getting discharged around 3% every hour even when the screen is off. He lost 25% of his phone’s battery in 8 hours without doing anything to it.

February 3:

Users of Galaxy S21 smartphones continue to meet battery drain problems, even worst issues. A user reported that a full 100% change is only lasting for 5 hours and the system usage does not include video streaming, installing apps, or anything like that.

January 31:

Samsung Galaxy S21 battery drain and overheating issues are still appearing online. Users are really disappointed with the battery performance and asking for a fix.

Meanwhile, a Galaxy S21 user said that turning off the “Nearby device scanning” feature worked for him. Don’t know if this completely fixes the problem, however, this might help in saving battery as a nearby device scanner runs in the background even when you don’t need it.

To turn it off, you need to go to your phone’s Settings and navigate to Connections >> More connection settings. Finally, turn off the Nearby device scanning toggle.

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The new update improves the performance of your phone in every possible aspect. In the meantime, it optimizes the system’s security and stability so that you can experience error-free and seamless functionality throughout the device.

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On the flip side, the Samsung March 2023 update addresses a handful of issues and vulnerabilities that were harming the devices’ security and consumers’ privacy. 40 of these fixes are parts of Google’s Android security bulletin that were causing data leaks and other problems.

Whereas, 23 fixes belong to Samsung software that further sweetens One UI apps and services. More specifically, the company resolves problems in Bluetooth, function driver, Galaxy Themes, Samsung Keyboard, System UI, and other One UI services.

Aside from these improvements and fixes, the latest update for your Samsung smartphone does not bring anything worth noticing, at least as per the changelog.

However, all these devices – Galaxy S22, S21, Z Fold 4, Z Flip 4, and Note 20 have recently got access to One UI 5.1, which brought a bunch of new features and major improvements to the devices.

Software versions

• Galaxy S22 – S901USQS2CWB7
• Galaxy S22+ – S906USQS2CWB7
• Galaxy S22 Ultra – S908USQS2CWB7
• Galaxy S21 – G991USQS5EWB3
• Galaxy S21+ – G996USQS5EWB3
• Galaxy S21 Ultra – G998USQS5EWB3
• Galaxy Z Fold 4 – F936USQS2CWB1
• Galaxy Z Flip 4 – F721USQS2CWB1
• Galaxy Note 20 – N981USQS3HWB7
• Galaxy Note 20 Ultra – N986USQS3HWB7

How to update

If you are using any of these Verizon-locked Samsung smartphones, you can now get access to the March 2023 security update through the Software update section in Settings. Now tap on the Download and install option and the available update will appear on your screen.

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The latest update for Samsung Galaxy S21, Galaxy S21 Plus, and Galaxy S21 Ultra users can identify the latest update via One UI build version G991USQS5EWB3, G996USQS5EWB3, and G998USQS5EWB3 respectively.

March 2023 security update is currently rolling out for locked Samsung Galaxy S21 smartphones in the US while the company already rolled out this update for International variants.

According to the official details, Samsung’s March 2023 patch fixes a bundle of issues that are related to Calls, Samsung Keyboard, System UI, Galaxy Themes, Bluetooth, and more. The company wants to deliver a bug-free and better experience through this update.

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It is worth mentioning that Samsung officially mentioned an important vulnerability fix for Galaxy S21 Exynos models via March 2023 security patch details. On Samsung Exynos models, an issue allowing incorrect handling of the unencrypted message was reported in November last year.

In case your phone has not yet sent you an update notification, you can check it manually through the Settings app. Just head over to the Software update section and tap on the Download and install option. If you received the update then follow the on-screen instruction to install the latest update.

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The latest update is currently available for International variants of the Galaxy S21 smartphones and the company will soon expand this update to more countries. It is an initial rollout so it may take some hours/days to reach all eligible devices.

March 2023 security update for Galaxy S21, Galaxy S21 Plus, and Galaxy S21 Ultra smartphones come with PDA versions G991BXXS6EWBB, G996BXXS6EWBB, and G998BXXS6EWBB respectively.

The latest security patch brings bug fixes and boosts the performance of the device. It fixes issues related to Calls, Samsung Keyboard, System UI, Galaxy Themes, Bluetooth, and more.

Just recently, the company released the details of the March 2023 security patch, which also reveals an important vulnerability fix for Galaxy S21 Exynos models. As per the information, an issue was affecting Samsung Exynos models, allowing incorrect handling of the unencrypted message as was reported in November last year.

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We recommend users install the update immediately if they have received the March 2023 update notification on their device for a better and bug-free experience.

To install the latest update on your Samsung Galaxy S21 smartphone, visit the Settings app then tap on Download and install option under the software update section. Follow the on-screen instructions to install the latest update.

Samsung March 2023 update brings important patch to Galaxy S21 Exynos models

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One UI 5.1 update for Galaxy S21 comes with a bundle of new features including a new selfie camera option, Enhanced remastering, Shared family Album, revamped image info display, multitasking in DeX, advanced Modes & Routines, Dynamic Weather widget, new contact widget, battery widget, improved Internet Browsing, and more.

Samsung’s February 2023 security patch fixes four dozen vulnerabilities that were harming the files and data saved on the phone. These include 47 CVEs from Google’s Android OS and 7 SVEs from Samsung’s One UI software. You can check the One UI 5.1 update versions of Samsung Galaxy S21 smartphones in India.

Firmware versions

• G991BXXU6EWAF – Galaxy S21
• G996BXXU6EWAF – Galaxy S21 Plus
• G998BXXU6EWAF – Galaxy S21 Ultra

This major update is now rolling out for Indian users, while the Galaxy S21 has already received the One UI 5.1 update in the US, Germany, Brazil, and other countries. However, there are still Galaxy S21 users in some countries and US carriers waiting to get a taste of One UI 5.1 features, but it looks like the wait won’t be much longer.

Samsung Galaxy S21 Ultra One UI 5.1 Update – India #Samsung #GalaxyS21 pic.twitter.com/BkQMvs46Mt

— Samsung Software Updates (@SamsungSWUpdate) March 1, 2023

Users of Galaxy S21 in India can download the update via the Settings app, then tap on Software updates, and press the Download and install option. Follow the on-screen instructions to install the update.

Send us carrier locked or unlocked phones software update screenshot or information here – tip@sammyfans.com

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Built on top of Android 13, the latest One UI version debuted with the Galaxy S23 series bears plenty of new features and improvements for various parts of the software. Although the user interface is not much upgraded.

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Some highlighted features:

The most noticeable part of the One UI software is its Widgets section. The company is adding a new Battery Widget that shows your phone and connected Bluetooth device battery status at a glance.

In the meantime, the Dynamic Weather widget provides a summary of the current weather conditions and the improved Smart Suggestion Widget now suggets a Spotify playlist based on your activities.

The One UI 5.1 update further makes it easier for users to maximize or minimize windows without opening options with improved Samsung DeX. Samsung Internet is also optimized with the integration of continuous browsing on another device feature.

On the other side, the Bixby Text Call feature is now available in the English language so that customers can use it worldwide. Meanwhile, the Modes let you set different wallpapers on the lock screen and the home screen depending on your current activities, such as work, sports, and others.

Aside from these, the Camera and Gallery are also getting various major upgrades. The company makes it easy to change the color tone of selfies through the Effects button on the side of the screen. At the same time, it adds a shortcut to launch the Expert RAW app to let you capture high-quality pictures effortlessly.

On the flip side, the Gallery app is not only getting improved the old picture editing tools but also makes picture sharing and searching easier, improves handling, as well as offers a convenient information display.

Software version:

• Galaxy S21 – G991USQU5EWAI
• Galaxy S21+ – G996USQU5EWAI
• Galaxy S21 Ultra – G998USQU5EWAI

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