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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?
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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
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    • 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

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How to lock Galaxy S21 screen?

Last updated on: September 26, 2022

set screen lock type to lock Galaxy S21 screenYou need to lock Galaxy S21 screen to protect your data and privacy. Just like that, you need to close the gate or door of your home.

This Galaxy S21 how-to guide explains why you must lock Galaxy S21 screen, available screen lock types on Galaxy S21 and how to use them. The guide also explains the relationship and differences amongĀ  PIN/password/password, smart lock, and biometric unlock (face or fingerprint).

This screen lock feature is identical on all three Galaxy S21 models. So, this guide applies to all of them (Galaxy S21, Galaxy S21+, and Galaxy S21 Ultra).

Why you MUST lock Galaxy S21 screen?

Screen Lock is a security feature on almost all smartphones. It is like the lock for your door.

Of course, the “door” of the phone is the Galaxy S21 lock screen.

So, the screen lock is actually a “lock” for the lock screen.

If you do not set up a screen lock for the door (lock screen), anyone who manages to get the phone can access all your messages, photos, call logs, apps, and even many data saved on the cloud.

Some Galaxy S21 owners may assume the phone will be held … Read the rest

How to use navigation gestures on Galaxy S21?

Last updated on: June 29, 2021

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 touchscreen gestures on Galaxy S21?

Last updated on: October 15, 2021

use touchscreen gestures on Galaxy S21You cannot skip touchscreen gestures when using Galaxy S21.Ā  Even if you choose to use navigation buttons, you still need to use the touchscreen gestures for many operations on Galaxy S21.

This Galaxy S21 how-to guide explains the 8 supported touchscreen gestures on Galaxy S21 and demonstrates how to use them. Some advice on taking care of the Galaxy S21 screen is also covered.

This guide applies to all models and variants of Galaxy S21 phones because the touchscreen gestures are a common software feature on these phones.

What are the supported touchscreen gestures on Galaxy S21?

Galaxy S21 supports 8 touchscreen gestures:

  1. Tap (single tap).
  2. Double-tap.
  3. Triple tap.
  4. Long tap (tap and hold).
  5. Swipe (slide).
  6. Drag.
  7. Pinch.
  8. Spread.

These are touchscreen gestures supported at the system level. Some apps may support other fancy gestures.

Tap (single tap)

Tapping is the simplest and most frequently used touchscreen gesture on Galaxy S21.

You touch (tap) somewhere on the Galaxy S21 screen once, then move your finger away from the screen, as illustrated below.

Galaxy S21 touchscreen gestures: Tap (single tap)

When using DeX with a mouse, the corresponding operation isĀ  ā€œclickā€.

The action of the tapping gesture depends on the object you touched and the app you … Read the rest

How to Use Galaxy S21 Smart LED View Cover (LED Wallet Cover)?

Last updated on: November 8, 2022

Use Galaxy S21 Smart LED View Cover (LED Wallet Cover)Galaxy S21 Smart LED View Cover (aka Galaxy S21 LED Wallet Cover in some regions) is one of the official accessories for Galaxy S21 with some exclusive features.

This Galaxy S21 accessories guide explains the unique features of the Galaxy S21 Smart LED View Cover, the layout of the LED View flip cover, how to attach and remove the LED Wallet Cover, how to answer or reject calls without opening the cover, how to control music playing on the cover, the difference between Smart LED View Cover and LED back cover. A concise review of Galaxy S21 Smart LED View Cover (LED Wallet Cover) highlights the pros and cons of the cover.

Due to the physical dimension differences of Galaxy S21, S21+, and S21 Ultra, you must use the cover for your model. For example, you cannot use the LED wallet case for Galaxy S21+ on Galaxy S21 Ultra. It simply does not fit.

What are the unique features of Galaxy S21 Smart LED View Cover (LED Wallet cover)?

First, Galaxy S21 Smart LED View Cover is a flip-cover for your GalaxyS21 (S21+, or S21Ultra). So, it offers all functions of a normal flip cover, e.g., back and front … Read the rest

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RSS Galaxy S22 Guides

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RSS Chromecast Guides

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  • Chromecast Audio Guides
  • How to use the new Chromecast app?
  • What’s new in the new Chromecast (Chromecast 2015)
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Samsung Galaxy S21 how-to guides, user manuals, tips and tricks for Samsung Galaxy S21, Galaxy S21+, Galaxy S21 FE and Galaxy S21 Ultra owners.
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