Samsung Galaxy S21 Guides

Android 10

Android 12 update vs One UI 4.0 vs One UI 4.1: update Galaxy S21, S20 and S10 to Android 12

Android 12 update vs One UI 4.0 vs One UI 4.1: update Galaxy S21, S20 and S10 to Android 12In almost all regions, the Android 12 update has been available for Galaxy S21, S20, and S10 since December 2021.

But there is still some confusion about the Android 12 update, One UI 4.0 update, and One UI 4.1 update.

This Galaxy S21 guide explains the difference between the Android 12 update, One UI 4.0 update, and one UI 4.1 update for Samsung Galaxy S21, S20, and S10, then shows you how to update Galaxy S21 to Android 12.  Finally, some questions you may have on updating Galaxy S21, S20, and S10 to Android 12, are answered

As the Android 12 update is almost identical for Galaxy S21, S20, and S10, this guide applies to all these three phones.

What are the differences between the Android 12 update, One UI 4.0 update, and One UI 4.1 update?

Galaxy S21 was released with Android 11. So, Android 12 is the first major update for Galaxy S21. And it will expect to receive at least Android 13, Android 14 and maybe even Android 15 updates.

In comparison, Galaxy S20 was released with Android 10 and already received the Android 11 update. It will probably receive only 3 major updates. So, … Read the rest

How to set and resize photo size on Samsung Galaxy S21, S20, S10, and S9 without using any third-party apps?

set and resize photo size on Samsung Galaxy S21, S20, S10, and S9 without using any third-party appsThe default photo size on Galaxy phones is fine most of the time. But occasionally,  you may want to reduce photo size for various purposes.

This Galaxy S21 camera guide explains how to set photo size on Galaxy phones including Galaxy S21, S20, S10 and S9, how to use the Gallery app to resize photo size on these Samsung Galaxy phones, and how to revert back to the original photo size.

How to set photo size on Galaxy S21?

When Samsung switched from Samsung Experience (Samsung Launcher) to One UI with (Android Pie), the camera app was overhauled.  One of the casualties is the photo size settings.

In the old Camera app, you can set different sizes (resolutions) for the photos to be taken, as in the Galaxy S7 Camera app. If the storage is limited and you mainly share the photos through social media, you can choose a smaller photo size (lower resolution). Of course, if you may need to print the photo or view the photo on a large screen (e.g., an 8K TV), you should choose a higher resolution.

But with the Android Pie update, the user can only set the aspect ratio … Read the rest

How to use navigation gestures on Galaxy S21?

how to use navigation gestures on Galaxy S2You can use navigation gestures instead of the default navigation buttons on Galaxy S21.

In fact, Galaxy S21 offers two sets of navigation gestures, and you can choose any of them and switch between them (or switch back to navigation buttons if you want) at any time.

This Galaxy S21 how-to guide explains the two sets of navigation gestures on Galaxy S21, how to use them, and how to switch between navigation gestures and navigation buttons on Galaxy S21.

Navigation gestures are identical n all Galaxy S21 models. So this guide applies to Galaxy S21, S21+, and S21 Ultra.

Navigation buttons vs navigation gestures: who needs what?

Prior to Android 9, Android uses 3 navigation buttons (Back, Home, Recents/Overview) for you to navigate through pages (panels) and apps.

Google introduced the two-button navigation gestures in Android 9 (Android Pie). Full-screen navigation gestures were introduced in Android 10.

In Google’s view, the future is navigation gestures, not navigation buttons. It is a natural evolution from physical navigation buttons (like this one) to software (on-screen) navigation buttons, and now to navigation gestures.

Of course, it is merely Google’s perspective. Many Android users still prefer the old-school navigation buttons … Read the rest

How to use and customize Galaxy S21 navigation buttons and navigation bar?

use and customize Galaxy S21 navigation buttons and navigation barSamsung offers both Galaxy S21 navigation buttons and navigation gestures on Galaxy S21. So, you choose what you like to navigate through different pages and apps.

This Galaxy S21 how-to guide explains the options for Galaxy S21 navigation buttons and navigation gestures, shows you how to enable and use navigation buttons on Galaxy S21, and how to customize the Galaxy S21 navigation buttons layout.

The navigation system options on all Galaxy S21 phones are identical. So this guide applies to Galaxy S21, S21+, and S21 Ultra.

Galaxy S21 navigation buttons vs navigation gestures

Traditionally, Android adopts 3 navigation buttons. Google ditched the Overview (Recents) button and switched to navigation gestures for the stock Android since Android Pie (Android 9.0).  And in Android 10, the Home button and Back button were removed, and navigation gestures fully replaced the buttons.

Samsung adopted a conservative approach. They offered both navigation buttons and two types of navigation gestures on Galaxy S21. So, all owners can own choices.

On Galaxy S21, you can choose one of the following three navigation types:

  1. Navigation buttons.
  2. Swiping from the bottom (Samsung style).
  3. Swiping from sides and bottom (similar to stock Android 10 and
… Read the rest