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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?
      • Do You Need to Enable the Suspend Execution for Cached Apps on Galaxy S22 or Galaxy S21, S20, and S10 with Android 12 update?
      • 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?
  • User Manual
Samsung Galaxy S21 Guides

Samsung Galaxy S21 Guides

Galaxy S21

Top 12 new features in Android 12 update for Galaxy S21, S20 and S10

Last updated on: October 9, 2022

Top 12 new features in Android 12 update for Galaxy S21, S20 and S10After updating your Galaxy S21, S20, or S10 to Android 12, you will encounter many new features in Android 12 update (both One UI 4.0 and One UI 4.1).

This Galaxy S21 guide explains the top 12 new features in Android 12 update (One UI 4.1/4.0) for Galaxy S21, S20 and S10 to help you use these new features effectively on your Galaxy S21, S20, or S10.

As discussed in this guide, there are two Android 12 updates for Galaxy S21, S20, and S10.  Some new features were added in the One UI 4.0 update and some in the One UI 4.1 update. The top 12 new features in Android 12 update for Galaxy S21, S20, and S10 discussed in this guide include:

  1. Camera and microphone indicators (One UI 4.0).
  2. More transfer options in Smart Switch (One UI 4.1).
  3. Voice memo on the lock screen (One UI 4.0).
  4. Extra dim screen (One UI 4.0).
  5. Writing Assistant (Grammarly integration) on Samsung Keyboard (One UI 4.0).
  6. Customisable virtual memory (RAM Plus) (One UI 4.1)
  7. Skip an alarm just once (One UI 4.0).
  8. Portraits for pets (One UI 4.0).
  9. Extra time for single-take mode (One UI 4.0).
  10. Telephoto lens in Pro and
… Read the rest

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

Last updated on: May 15, 2022

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 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

How to charge Galaxy S21 battery properly?

Last updated on: June 4, 2022

How to charge Galaxy S21 battery properly?You need to charge Galaxy S21 battery properly to slow down the degradation of battery performance over time.

This Galaxy S21 how-to guide explains everything you need to know on how to charge Galaxy S21 battery properly. The two charging modes (USB cable, wireless charging) are explained and illustrated with detailed steps. Questions related to charging Galaxy S21 battery, including the first time charging, disabling fast charging, overnight charging, topping up the battery, draining up the battery,   are answered.

All three Galaxy S21 models (Galaxy S21, S21+, and S21 Ultra) use identical battery and charging technology. So, this guide applies to all these 3 models.

Two charging modes to charge Galaxy S21 battery

You can charge Galaxy S21 battery in two different modes:

  1. USB  cable charging.
  2. Wireless charging.

These two modes are based on different technologies. And there are different standards for these two charging methods.

USB cable charging

USB cable charging is common among smartphones. Almost all smartphones support USB cable charging.

But charging speed differs dramatically due to various charging protocols supported and wall chargers (adapters) used. Occasionally, even the USB cable may play a role.

Current smartphones support at least 5W USB charging. … Read the rest

How to migrate to Galaxy S21 with Samsung Smart Switch?

Last updated on: June 12, 2021

migrate to Galaxy S21 with Samsung Smart SwitchYou can use Samsung Smart Switch to migrate to Galaxy S21 from other Android phones or an iPhone easily. Most of your data can be easily copied to Galaxy S21.

This Galaxy S21 guide shows you how to use Smart Switch to migrate to Galaxy S21 wirelessly (WiFi Direct), explains what data can be migrated, gives suggestions or solution on how to migrate data that cannot be migrated to Galaxy S21 directly.

Please note, Smart Switch works identically on Galaxy S21, S21+, and S21 Ultra. So, this guide applies to all these 3 models of Galaxy S21 although we use Galaxy S21 in the text.

Why should you use Samsung Smart Switch to migrate to Galaxy S21?

Android lacks a universal migration tool.  Google can back up Google account related settings and data, and you can restore them on a new phone.

But if you were using non-Google services/apps, then a lot of data will not be backed up to Google Cloud. For example, if you use the Samsung messages app, then your SMS will not be backed up to your Google account.

Besides, none of the phone settings is backed up to your Google account.

Samsung Smart Switch … Read the rest

Galaxy S21 vs Galaxy S21+ vs Galaxy S21 Ultra

Last updated on: June 4, 2022

Galaxy S21 vs Galaxy S21+ vs Galaxy S21 UltraLike Galaxy S20, Samsung released 3 models of Galaxy S21: Galaxy S21, S21+, and S21 Ultra. Many potential buyers are not sure which one to get when considering Galaxy S21 vs Galaxy S21+ vs Galaxy S21 Ultra.

This Galaxy S21 guide explains the major differences of Galaxy S21 vs Galaxy S21+ vs Galaxy S21 Ultra and explains which model is the right one for you.

Galaxy S21 vs Galaxy S21+: the difference is on the size and material of the back cover.

Among the 3 models, Galaxy S21 and S21+ share almost identical components except for the size of the screen and the material used for the back cover.

Galaxy S21+ has a 6.7″ flat OLED screen. The screen of Galaxy S21 is noticeable smaller at 6.2″.

Except for the size, the displays on Galaxy S21 and S21+ are identical. The resolution is FHD+ (1080 x 2400, 20:9). The same Dynamic AMOLED 2X panel with brightness up to 1300nits is used. Both support a 120Hz refresh rate (adaptive refreshing 48-120Hz). HDR 10+ is also supported.

The biggest difference between the Galaxy S21 and S21+ is about the material of the back cover.  Galaxy S21 has a plastic back cover and … Read the rest

Top 6 disappointments of Galaxy S21 Ultra

Last updated on: September 26, 2022

Top 6 disappointments of Galaxy S21 UltraGalaxy S21 Ultra is Samsung’s only hope to reverse the declining sales of Galaxy S phones since Galaxy S10. But it seems Samsung lost the opportunity due to the numerous disappointments of Galaxy S21 Ultra.

This post summarizes the top 6 disappointments of Galaxy S21 Ultra: curved screen, no micro SD card support, lack of essential accessories, no 45W superfast charging,  with S Pen support but without an S Pen, inferior under-display fingerprint sensor.

Curved screen: the No.1 disappointment of Galaxy S21 Ultra

Since Galaxy S6 Edge (or even Galaxy Note Edge), Samsung tried hard to sell the curved screen.  It is unique.

But most Galaxy phone owners don’t like it.  Very few Galaxy phone owners bought the phone because of the curved screen.

Initially, Samsung told us they would add some new and innovative features like Edge screen. Now, it is purely cosmetic (infinity display).

If Samsung had listened to customers, they should have stopped using the curved screen on any mainstream phones 3 or 4 years ago.

Unfortunately, Samsung is too stubborn and try luck on the most important flagship phones.

On the three Galaxy S21 models, Galaxy S21 … Read the rest

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