One UI 5.1

[Ak3]

Just landed on S21 ultra in the UK. I've read reports that users are having issues with their device after updating. Hesitant to update.

[Bar0n]

So why are you moaning that there's nothing like you did expect big things?

[chrismattamy]

I am not moaning and did not say I was expecting anything big out of this update!

[Bar0n]

👍

[Stoleriko]

I installed it yesterday. Since then the phone has been acting strange. Sometimes after a deep sleep the device cannot be opened, in addition, double pressing the power button freezes the device and does not open the camera. This only happens after the device has not been used for several minutes.

[Ak3]

Mine has been fine so far

[PaulStone]

Think you need to go elsewhere with that judgement. He is allowed to have an opinion with out rude comments from you.

[Bar0n]

❤️❤️👍

[JAMES4578]

Seems ok  for me  thus far but only installed today, will obviously monitor.

[JAMES4578]

Whilst been mentioned before  specific changes  here:

One UI 5.1 changelog
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.

Discover Expert RAW

Expert RAW lets you take high-quality shots, perfect for those who want to have full control and edit photos later. Expert RAW is now easier to access from the More menu in Camera.

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

It's 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 your family members. You get 5GB of storage for each family member (up to six 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

Let Bixby take your calls
Use Bixby text call to answer calls automatically and find out why the person is calling. You'll see what the caller says in a text chat, and you can tap or type responses that will be read aloud to the caller. Bixby text call is only available in English and Korean.

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, S Pen, and other supported devices.

Use up to 3 emojis in AR Emoji Camera

Take fun pictures and videos with your friends in Mask mode. You can assign a different emoji to each person’s face.

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.

[RichieOne]

Yes it changes colour alright 😞 every shot in dark I take outside can see the image then it's processing then anothe green screen. Thank god ExpertRAW is working or I would be upset.