Samsung Galaxy S21 Guides

camera quick launch

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

Master Galaxy S21 Lock Screen Settings

Master Galaxy S21 Lock Screen SettingsUnderstanding the Galaxy S21 lock screen settings helps you secure the phone and improve your productivity. You can also customize the locks screen as you want after mastering the Galaxy S21 lock screen settings.

This Galaxy S21 guide explains all items on the Galaxy S21 lock screen settings page. Typical usage of some settings is also illustrated and demonstrated.

This guide applies all Galaxy S21 models (Galaxy S21, Galaxy S21+, and Galaxy S21 Ultra).

How to access Galaxy lock screen settings?

Galaxy S21 lock screen settings page is a sub-page of Galaxy S21 Settings.

There are a few different ways to access Galaxy S21 Settings, for example:

Once on the Galaxy S21 Settings page, as shown below, tap the Lock screen to access the Galaxy S21 lock screen settings page.

Galaxy S21 Settings

What is included on Galaxy S21 lock screen settings?

As shown in the screenshot below, the following 11 items on the Galaxy S21 lock screen settings page are included:

  1. Screen lock type.
  2. Smart lock.
… Read the rest

How to Use and Customize Galaxy S21 Side Key?

Use and Customize Galaxy S21 Side KeyGalaxy S21 Side key is more than a power button (key) on Galaxy S21, and you can also customize some features of the Galaxy S21 Side key.

This Galaxy S21 guide explains what the Galaxy S21 Side key is, the functions of this key/button, and how to use and customize the Side key on the Galaxy S21, S21+, and S21 Ultra.

What is Galaxy S21 Side Key?

Since Galaxy S20, Samsung ditched the unpopular Bixby and combined the Bixby key with the power key into the Side key.

As shown in the Galaxy S21 layout, the Side key is located on the right side of the phone and below the volume rockers. Please note, Samsung relocated the volume keys from the left side (as in all previous Galaxy S devices) to the sight side since Galaxy S20.

In a nutshell, the Galaxy S21 Side key is a combination of the traditional power key and the notorious Bixby key.

When the phone is powered off, the Galaxy S21Side key will be just the power key.  The added functions are available only after the phone is powered up.

Functions of Galaxy S21 Side Key

As mentioned, the functions of … Read the rest

How to use Galaxy S21 quick settings panel?

use Galaxy S21 quick settings panelGalaxy S21 quick settings panel (aka Galaxy S21 quick panel or Galaxy S21 quick setting buttons) lets you turn on/off some features or change some settings quickly from a dropdown panel without navigating through the Galaxy S21 Settings.

This Galaxy S21 guide explains what Galaxy S21 quick settings panel is, how to access the Galaxy S21 quick panel, the components in the quick settings panel on Galaxy S21, how to customize the layout of the quick settings panel, and how to add (and remove) buttons to Galaxy S21 quick panel.

Update: in the Android 14 (One UI 6) update for Galaxy S21, S22, and S23, the quick settings panel was greatly improved with a new button layout, smart flight mode, and instant access to the quick settings.

What is Galaxy S21 quick settings panel?

Galaxy S21 quick settings panel (aka Galaxy S21 quick panel, quick settings buttons) is a special page with some buttons for you to access or turn off some features directly without digging into the Galaxy S21 Settings page.

Just like other Android phones, you can turn on or turn off some features quickly on the quick settings panel of Galaxy … Read the rest

How to Use Galaxy S21 Camera Modes?

How to Use Galaxy S21 Camera ModesSooner or later, you will find the default camera mode (Auto mode) is not sufficient. You may want to try other Galaxy S21 camera modes to get desired photos or videos.

This Galaxy 21 camera guide explains what Galaxy S21 camera modes are, the meaning of all (15) available Galaxy S21 camera modes, when to use them, how to use them, and how to manage them on Galaxy S21, S21+, and S21 Ultra.

Although Galaxy S21 Ultra differs significantly from Galaxy S21 and Galaxy S21+, in terms of the camera lens and capabilities, they all share an almost identical camera app. The camera models in these three Galaxy S21 phones are almost identical. So, this guide applies to all of them.

In the Android 14 (One UI 6) update for Galaxy S21, S22, and S23, you can now use the Camera Widget to access individual camera modes directly.

What are Galaxy S21 camera modes? Why do you need them?

By default, when you open the camera app on Galaxy S21 from the home screen or lock screen, you are in the Photo (Auto) mode. Of course, you can set it to the last used camera mode in … Read the rest

Understand and Use Galaxy S21 Lock Screen

Understand and Use Galaxy S21 Lock ScreenYou have to use the Galaxy S21 lock screen to secure your Galaxy S21 and control access to your phone and data.

This Galaxy S21 how-to guide explains the role of the Galaxy S21 lock screen, pages, layout and the meaning of each item on the Galaxy S21 lock screen, and how to use gestures on the lock screen.

The lock screen is identical on all Galaxy S21 phones (Galaxy S21, S21+, and S21 Ultra). So, this guide applies to all Galaxy S21 phones.

If you have updated your Galaxy S21 to Android 14 (One UI 6), you can reposition the clock on the lock screen.

The role of the Galaxy S21 lock screen

The lock screen is an essential part of a smartphone.  It is part of the security system of the phone.

You can think Galaxy S21 lock screen as the only entrance for your Galaxy S21. It is an analogy of the main door of your home.

Therefore, you need to secure the lock screen on Galaxy S21 so that only you can “unlock” it. You should set up a screen lock (PIN, password, or pattern) to lock down … Read the rest

Ultimate Guide for Galaxy S21 Camera Settings

Galaxy S21 Camera SettingsGalaxy S21 camera settings let you fine-tune the camera so that you can take desired photos with Galaxy S21.

This Galaxy S21 camera guide explains everything you need to know about Galaxy S21 camera settings, the meanings and usage of Galaxy S21 camera settings, and how to reset Galaxy S21 camera settings.

Although Galaxy S21 Ultra has significantly more powerful camera sensors than Galaxy S21 and S21+, the camera app is almost identical on all these three Galaxy S21 phones. So, this guide applies to all 3 Galaxy S21 models.

If you have updated your Galaxy S21 to Android 13 (One UI 5), you will see the new entry of Watermark, which lets you enable and customize watermarks on photos taken with the Galaxy S21 camera app.

If you have updated your Galaxy S21 to Android 14 (One UI 6), you should see some of the new camera settings, e.g., turn off swipe up/down to switch cameras, document scan (Auto Scan), quality level selection, auto FPS. Please refer to this guide (coming soon) on the new camera features in the Android 14 (One UI 6) update for Galaxy S23.

How to access Galaxy S21 Camera

… Read the rest

How to use Galaxy S21 Camera App?

Galaxy S21 Camera AppYou need to understand the meaning of all icons and buttons in the Galaxy S21 Camera app to take desired photos with Galaxy S21 camera.

This Galaxy S21 camera guide explains everything you need to know about the Galaxy S21 Camera app: how to access (open) the Camera app, the layout and meaning of all buttons in the app, and touchscreen gestures supported in the Galaxy S21 Camera app.

Although Galaxy S21 Ultra has a more sophisticated camera system, compared to Galaxy S21 and Galaxy S21+,  the Camera app on all these 3 models of Galaxy S21 phones are almost identical. So, this guide applies to all Galaxy S21 phones.

Update: if you updated your Galaxy S21 to Android 12, there are a few new features for the Galaxy S21 camera.

Update 2: In the Android 14 (One UI 6) update for Galaxy S23, S22, and S21, there are many new features you should try. For the Camera app, there is a new resolution button. You can also use the camera widget to access any specific camera mode from the Home screen. Document scan (Auto Scan) is also separated from the Scene Optimizer.… Read the rest

How to use Galaxy S21 camera quick launch?

How to use Galaxy S21 camera quick launch?You can use Galaxy S21 camera quick launch to open the camera app instantly without looking at the phone, even without unlocking the phone.

This Galaxy S21 camera guide explains what Galaxy S21 camera quick launch is, how to use it, and how to disable or enable it on Galaxy S21, S21+, or S21 Ultra.

Galaxy S21 camera quick launch is a standard feature of Galaxy S21. So it works identically on all three models of Galaxy S21 (S21, S21+, and S21 Ultra).

If you have updated your Galaxy S21 to Android 14 (One UI 6), you can now use the camera widget to launch the camera app quickly with any specific camera mode from the Home screen.

What is Galaxy S21 camera quick launch and how to use it?

Sometimes, you may need to take a photo or record a video as soon as possible because the perfect moment may go on forever if you miss it.

But opening the camera app on Galaxy S21 by locating and tapping the camera app icon on the Galaxy S21 Home screen or Lock screen can take considerable time, and therefore, you may miss some precious moments.

Voice … Read the rest