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    • Android 12 update vs One UI 4.0 vs One UI 4.1: update Galaxy S21, S20 and S10 to Android 12
      • Top 12 new features in Android 12 update for Galaxy S21, S20 and S10
      • How to use Extra Dim on Galaxy S22, S21, S20, and S10? How to use Extra Dim on Galaxy S22, S21, S20, and S10?
      • Should I enable Protect Battery to limit the maximum battery charge to 85% on Galaxy S22, S21, S20, and S10?
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      • How to Automatically Convert a Photo to a Time-lapse video with Scene Relighting on Galaxy S22, S21, S20, and S10?
      • A complete guide for Writing Assistant on Samsung Keyboard on Galaxy S22, S21, S20 and S10 (with Android 12)
    • How to charge Galaxy S21 battery properly?
    • Ultimate Guide for Using SIM Card on Galaxy S21
    • Master Meaning of Galaxy S21 Status Icons and Notification Icons
    • Layout of Galaxy S21, S21+, and S21 Ultra
      • How to Use and Customize Galaxy S21 Side Key?
      • How to use Galaxy S21 quick settings panel?
      • How to use touchscreen gestures on Galaxy S21?
      • How to power on, power off, and reboot Galaxy S21,even when the phone hangs?
      • How to migrate to Galaxy S21 with Samsung Smart Switch?
    • Understand and Use Galaxy S21 Lock Screen
      • How to lock Galaxy S21 screen?
      • Master Galaxy S21 Lock Screen Settings
    • How to Use Galaxy S21 Home Screen?
      • How to use widgets on Galaxy S21?
      • How to Customize Galaxy S21 Home Screen?
      • How to use LED icon editor to customize LED icons for Smart LED View Cover and LED Back Cover?
    • How to use and customize Galaxy S21 navigation buttons and navigation bar?
      • How to use navigation gestures on Galaxy S21?
      • How to use NavStar (Good Lock) to customize navigation buttons and navigation bar on Samsung Galaxy phones?
  • New Features
    • Top 13 new features in One UI 5 update (Android 13 update) for Galaxy S22, S21, and S20
    • Android 12 update vs One UI 4.0 vs One UI 4.1: update Galaxy S21, S20 and S10 to Android 12
    • Master Google Discover and Samsung Free on Galaxy S21
    • Top 6 disappointments of Galaxy S21 Ultra
    • Galaxy S21 vs Galaxy S21+ vs Galaxy S21 Ultra
  • Camera
    • How to use Galaxy S21 Camera App?
    • How to Use Galaxy S21 Camera Modes?
    • Ultimate Guide for Galaxy S21 Camera Settings
    • How to use Galaxy S21 camera quick launch?
    • How to set and resize photo size on Samsung Galaxy S21, S20, S10, and S9 without using any third-party apps?
  • Accessories
    • How to use Galaxy S21 Smart Clear View Cover (S-View Flip Cover)?
    • How to Use Galaxy S21 Smart LED View Cover (LED Wallet Cover)?
    • How to use LED icon editor to customize LED icons for Smart LED View Cover and LED Back Cover?
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Samsung Galaxy S21 Guides

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?

Last updated on: November 3, 2021

 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

Last updated on: September 26, 2022

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:

  • Tap the Settings app icon on the Galaxy S21 Home screen or Apps screen
  • Tap the Gear icon on the Galaxy S21 Quick Settings panel (or notifications panel).
  • Use voice commands (e.g., Google Assistant or Bixby).

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?

Last updated on: September 21, 2021

 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?

Last updated on: June 4, 2022

 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.

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 S21 so that you can use the phone effectively.

For example, you want to turn on mobile data on Galaxy S21. You can do it by tapping Settings, tap Connections, tap Data usage, then Tap the switch for Mobile data. So, … Read the rest

How to Use Galaxy S21 Camera Modes?

Last updated on: May 15, 2022

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.

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 Galaxy S21 camera settings.

Please note, you can also use Galaxy S21 camera quick launch to start the camera app without unlocking the phone.

In most scenarios, … Read the rest

Understand and Use Galaxy S21 Lock Screen

Last updated on: September 26, 2022

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.

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 the lock screen.

But at the same time, you may want to check some info (e.g., check the time or notifications) or control music … Read the rest

Ultimate Guide for Galaxy S21 Camera Settings

Last updated on: November 5, 2021

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.

How to access Galaxy S21 Camera Settings?

You can access Galaxy S21 camera settings from the Camera app.

As shown below, you can tap the gear (settings) icon in the Galaxy S21 camera app preview screen to open Galaxy S21 camera settings.

access Galaxy S21 Camera Settings

Of course, you can open the Galaxy S20 camera app in multiple different ways, as explained here, for example:

  • Tap the camera icon on the Home screen or Apps screen.
  • Quickly press the side key twice  (Quick Launch). If you do not release (i.e., hold) the Side key (see details here), you may get the Galaxy S21 Power-off menu.
  • Swipe the camera
… Read the rest

How to use Galaxy S21 Camera App?

Last updated on: May 15, 2022

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.

How to access Galaxy S21 Camera app?

There are a few different ways to access (open) the Galaxy S21 Camera app, including:

  1. Tap the camera icon on the Home screen or Apps screen.
  2. Quickly press the side key twice  (Quick Launch).
  3. Swipe the camera app icon on the lock screen.
  4. Use voice commands (Google Assistant or Bixby).

You can choose any of these methods based on … Read the rest

How to use Galaxy S21 camera quick launch?

Last updated on: September 21, 2021

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).

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 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 commands may let you open the camera app without looking at the screen. But it is not fast. The voice command (through Google Assistant, or Bixby) needs to be “processed” before it opens the camera app.

If … Read the rest

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