Samsung Galaxy S21 Guides

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Master Meaning of Galaxy S21 Status Icons and Notification Icons

Meaning of Galaxy S21 Status Icons and Notification IconsYou need to understand the meaning of Galaxy S21 status icons and notification icons to use the phone properly and effectively.  Galaxy S21 status icons and notification icons can tell you rich information about the status of the phone status, phone health, and notification from individual apps.

This Galaxy S21 how-to guide first explains the differences between Galaxy S21 status icons and notification icons, then explains the meaning of Galaxy S21 status icons and notification icons you may find in Galaxy S21, S21+, and S21 Ultra.

Because Samsung uses slightly different icons in different regions or for some carriers, you may get Galaxy S21 status icons and notification icons that are different from those shown in this guide. This is normal. If you cannot figure out the meaning of those icons, you may share the screenshot on our FaceBook page so that the community can help you identify them.

Update: Android 12 update for Galaxy S21 (S20 and S10) brought a new camera and microphone indicators icon when the camera or microphone is accessed.

What is the difference between Galaxy S21 status icons and notification icons?

Like all other Android phones,  Galaxy S21 use the top part of the screen … Read the rest

How to charge Galaxy S21 battery properly?

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.

Update: in the Android 14 (One UI 6) update for Galaxy S23, S22, and S21, the battery settings are separated from the Device Care.

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 … Read the rest

Layout of Galaxy S21, S21+, and S21 Ultra

Layout of Galaxy S21, S21+, and S21 UltraYou need to know the layout of Galaxy S21, S21+ or S21 Ultra to locate and use the buttons, ports, and key components properly.

This Galaxy S21 how-to guide explains everything you need to know on the layout of S21, S21+ or S21 Ultra. The name and function of each button, port, and components are illustrated in the front view and rear view of the three phones.

Why you should know the layout of Galaxy S21, S21+, and S21 Ultra?

You need to know your phone before using it.  It is simple.

If you do not know where the SIM card slot is located, you may try hard to pierce the microphone at the bottom of Galaxy S21.

Or if you are a seasoned Galaxy S phone user, you may assume the SIM card slot on Galaxy S21 is on the top and therefore, pierce another microphone at the top.

Of course, you need to know the location of the Side key to power on or off Galaxy S21,  or the volume key to change the volume when playing media.

Besides, Galaxy S21( all three models) uses the in-display ultrasonic fingerprint reader (BTW, this is one of the … Read the rest