BestusefulTips Latest Android Tips and Tricks: Samsung, Pixel, OnePlus

Here’s how to enable dark mode in Samsung Galaxy S21, S21+, and S21 Ultra 5G. The dark mode uses a dark theme to make your phone background darker to easier to view on your eyes even dim light. You can set schedule time or sunset to sunrise to automatically turn on dark mode in Samsung Galaxy S21 Ultra/S21 plus/S21. Also, enable adaptive color filter to automatically activate blue light filter between sunset and sunrise to reduce eye strain in your Samsung S21 series.

Read Also:

• How to Use Dual Audio on Galaxy S10 and Galaxy S10 Plus
• How to Add Signature to Text Message on Galaxy Note 8
• How to Customize Edge Lighting on Samsung Galaxy S10+

How to Activate Dark Mode on Samsung Galaxy S21, S21+, and S21 Ultra 5G

Step 1: Swipe down the notification panel with two fingers and tap the Settings icon.

Step 2: Tap Display.

Step 3: Select the Dark.

You can see the dark background in phone settings, notification panel background, and other settings.

How Automatically Turn On Dark Mode Samsung S21+/S21 Ultra/S21

Step 1: Go to Phone settings.

Step 2: Tap the Display.

Step 3: Tap on the Dark mode settings.     

Step 4: Toggle on Turn on as scheduled.

Below given two options are available here.

Sunset to sunrise: Make sure location turned on to set sunset to sunrise for dark mode.

Custom schedule: Enter the starting time and ending time to automatically enable dark mode.

Step 5: Select from Sunset to sunrise/Custom schedule.

Also, enable or disable dark mode settings for the wallpaper you want.

How to Quickly Activate Dark Mode on Galaxy S21, S21 Plus, S21 Ultra 5G

Step 1: Swipe down from the top of the screen and swipe the screen left until view Dark mode in tiles.

Step 2: Tap Dark mode to enable it.

How to Turn Off/Disable Dark Mode on Samsung S21 Ultra

Step 1: Swipe down the notification panel from the top and swipe the screen left until Dark mode view.

Step 2: Tap on Dark mode to disable it.

Do you like dark mode or light mode? Which mode do you use in your Samsung Galaxy devices? Tell us in below comment box.

Want to restore the default theme on your Samsung Galaxy S21, S21+, and S21 Ultra? Here’s how to go back to default theme on Samsung S21 Ultra 5G/S21+/S21. When you change the theme on Samsung Galaxy S21 series, it will change the app icons and home screen wallpaper looks. You can download a free theme from galaxy themes on your Samsung devices. It’s easy to customize themes and icons on Samsung Smartphone.

Read Also:

• How to Change Launcher in Galaxy S9 and Galaxy S9 Plus
• How to Change Galaxy Note 9 Lock Screen Wallpaper
• How to Turn on Install Unknown apps on Galaxy S10+

How to Change and Revert Back to Samsung Default Theme on S21/S21+/S21 Ultra

Step 1: Tap and hold the blank area of the home screen.

Step 2: Tap on Themes.

Step 3: Tap on the drop-down box at the top and select All.

You can see the free and paid themes.

Step 4: Tap on the Theme you want to use.

Step 5: Tap on Download at the bottom middle.

Step 6: Tap on Apply.

Step 7: Tap Apply again.

You can see changes on your Samsung always-on-display, app icons, wallpaper background, and other settings.

Alternative Way: Settings > Themes > Select the theme > Download theme > Apply > Apply

How to Set Default Theme on Samsung Galaxy Devices

Step 1: Long press on the blank area of the home screen.

Step 2: Tap the Themes.

Step 3: Tap on Three horizontal lines (More) at the top left corner.

Step 4: Tap My stuff.

Step 5: Tap on Default.

Step 6: Tap on Apply.

How to Enable Dark Mode in Galaxy S21, S21+, and S21 Ultra 5G

Step 1: Swipe down the notification panel and swipe the screen until view Dark mode.

Step 2: Tap on Dark mode to activate it.

Step 3: Touch & hold the Dark mode to schedule it.

Also, set custom time or sunset to sunrise to automatically activate dark mode/dark theme in your Samsung Galaxy S21 Ultra, S21 plus, and S21 device.

Do you use a third-party theme in your Samsung Galaxy S21 Ultra 5G? Which is your favorite galaxy theme? Tell us in below comment box.

Do you want to use Samsung secure folder on your Galaxy S22/Galaxy S21 series? Here’s how to enable secure folder on Samsung Galaxy S21 Ultra/S21+/S21/Galaxy S22 Ultra/S22+/S22.

What is the Use of Secure folder in Samsung Galaxy?

You can use a secure folder to hide pictures, apps & files like videos, audio, and documents and secure your data. Lock the secure folder with your fingerprint or other lock screen security to secure your data. Also, enable auto-sync secure folder data to back up data anytime.

How to Enable and Use Secure Folder on Samsung Galaxy One UI

Step 1: Open the app drawer and tap on the Settings app.

Step 2: Scroll down and tap on Biometrics and security.

Step 3: Tap on the Secure folder.

Step 4: Tap on Agree button.

Step 5: Sign in with your Samsung account. If you have not created your Samsung account, you’ll need to make it.

Step 6: Select a Screen lock (Pattern/PIN/Password/Fingerprints) to protect your data and apps.

Step 7: Draw the pattern lock and then tap on Continue.

Step 8: Draw the pattern again and then tap on OK.

You can see the list of installed apps in a secure folder. Tap the app to open it.

Step 9: Tap on Add apps to add more apps or Add files to upload files to the secure folder.

Step 10: Select the file type (Images, Audio, Videos, My files, Document) you want to upload.

Step 11: Select the videos (We select) and tap on Done at the top right corner.

If you move these files to a secure folder, they will be removed from their original folders. Copying the file will create a duplicate version in the secure folder.

Step 12: Choose from Copy or Move.

How to Add Secure Folder to Apps Screen

Settings > Biometrics & security > Secure folder > Toggle on Add secure folder to apps screen

How to Lock or Unlock Secure Folder in Samsung Galaxy

Step 1: Open the app drawer and tap on the Secure folder.

Step 2: Tap on Lock type in the lock & security section.

Step 3: Select a lock type from Pattern, PIN, Password, or Fingerprints.

How to Auto-Lock Secure Folder on Samsung Galaxy

Settings > Biometrics & security > Secure folder > Auto lock secure folder > Choose from Each time I have an app/When screen turns off/After 5 minutes/After 10 minutes/After 30 minutes/When phone restarts

Does the Samsung S21 Ultra have Secure Folder?

Yes, you can find Samsung secure folder in Biometrics & security settings. Also, swipe down the notification panel and find the secure folder in quick settings tiles to enable or disable it. Sign in and hide your pictures, videos, apps, and other data. Also, lock your secure folder using a fingerprint, pattern, password, or PIN.

How Do I Access My Samsung Secure Folder?

Two ways to access the secure folder on your Samsung devices. If you want to access the secure folder from the Apps screen quickly, enable add secure folder to apps screen on your Samsung device. Go to Settings > Biometrics & security > Secure folder > Toggle on Add secure folder to apps screen. Now, you can see a secure folder in your Samsung app drawer. Or Pull down the notification panel and find a secure folder in quick settings tiles.

How do you Hide Apps on Samsung S21?

You can hide apps you want from the app drawer and home screen on your Samsung One UI. To hide apps on Samsung S21, long-press on the blank area of the home screen > Settings > Hide apps > select apps you want to hide > Done. Another way is go to Settings > Home screen > Hide apps > Select apps > Done. Follow the same process and uncheck the apps you want to unhide or get back in the app drawer on your Samsung phone.

Read Also:

• How to Lock Apps in Samsung Galaxy
• How to Hide Apps on Samsung Galaxy

And that’s all. We hope this clarifies how to use a secure folder on a Galaxy device. If you have any questions, please tell us in below comment box.

Do you want to change the clock on lock screen and always-on display on your Samsung Galaxy S21 Ultra 5G/S21+/S21? Here’s how to change lock screen clock on Samsung S21 Ultra, S21 Plus, and S21. If you don’t like the default clock style, select clock style from the available options and set it to lock screen and AOD clock style in your Samsung Galaxy devices. Also, change clock position and clock color in your Samsung Galaxy S21 series.

Check More | How to Customize Always-On Display on Samsung Galaxy

How to Change Lock Screen Clock on Samsung S21 Ultra, S21 Plus, S21

Step 1: Swipe down the notification panel at the top and tap the Settings gear icon.

Step 2: Scroll down and tap the Lock screen.

Step 3: Tap the Clock style.

Step 4: Select from the Always on Display/Lock screen.

Step 5: Choose the Clock style and clock colour.

Step 6: Tap Done.

It will change the lockscreen clock in your Samsung devices.

How to Change Always-On-Display Clock Style on Samsung S21 Ultra, S21 Plus, S21

Step 1: Open the app drawer and tap the Settings app.

Step 2: Tap Lock Screen.

Step 3: Tap Clock Style.

Step 4: Select the Always-on display.

Step 5: Choose the Clock style & colour and tap on Done.

Alternative Way: Settings > Lock screen > Always on display > Clock Style > Select the style & colour> Done.

How to Add Music to AOD/Lock Screen on Galaxy S21 Series

You can use facewidgets to set schedules, alarm, show music, add weather info, Bixby Routines on the AOD & lock screen in your Samsung devices.

Settings > Lock Screen > Facewidgets > Toggle on the options you want to show on the lock screen.

How to Change the Lock Screen Time (Screen Timeout) in Samsung Galaxy S21 Series

Settings >Display > Screen timeout > Choose a screen time.

And that’s all. Which is your favourite clock style & colour? Stay and connect with us for the latest updates.

Read Also:

• How To Add Or Remove Face Widgets On Lock Screen Samsung
• How to Customize Lock Screen on Google Pixel
• How to Hide Lock Screen Notifications on Galaxy
• How to Change the Alaway-On-Display Clock Style in OnePlus
• How to Switch Navigation Bar Buttons on Galaxy

Do you want to reduce mobile data usage on your Samsung S21, S21+, and S21 Ultra 5G? Here’s how to set a mobile data limit or data warning on Galaxy S21 Ultra. You can set a data limit to how much cellular data you use in a specific period. Once you reach the data usage limit, you’ll no longer be able to access the mobile data in your Samsung Galaxy device. Also, set app timer to reduce app data in Samsung S21 series using Digital Wellbeing feature.

Read Also:

• How to Manage Data Usage on Galaxy S10 and S10 Plus
• How to Set Up Call Forwarding on Samsung Galaxy S21/S21 Plus/S21 Ultra
• How to Block Calls and Messages on Galaxy Note 10 Plus

How to Set Data Limit on Samsung Galaxy S21 Ultra/S21+/S21

Step 1: Swipe down the notification panel from the top and tap the Setting icon.

Step 2: Tap on Connection.

Step 3: Tap the Data usage.

Step 4: Tap Mobile data usage.

Step 5: Tap the Settings icon at the top right.

Step 6: Tap on Start billing cycle on.

Step 7: Select the date and then tap on Set.

Step 8: Toggle on Set data limit.

Step 9: Tap on the Data limit.

Step 10: Enter the data you want to limit and then tap on Set.

If you want to set a data warning, follow the below-given steps.

Step 11: Make sure toggle on Set data warning.

Step 12: Tap on Data warning.

Step 13: Enter the data usage limit and then tap on Set.

You will receive a warning when your data usage reached a certain level. After reaching the data limit, you can’t use mobile data on your Samsung Galaxy device.

How to Enable Data Roaming on Samsung Galaxy S21 Ultra 5G

Step 1: Go to Settings.

Step 2: Tap the Connection.

Step 3: Tap the Mobile networks.

Step 4: Toggle on Data roaming.

How to Switch to Mobile Data on Galaxy S21/S21+/S21 Ultra 5G

It will automatically use your cellular data whenever your WiFi network is slow or disconnect.

Step 1: Swipe down the notification panel from the top and long press on the Wi-Fi icon.

Step 2: Tap the Three vertical dots (Menu) at the upper right corner.

Step 3: Select Advanced.

Step 4: Toggle on Switch to mobile data.

Do you use mobile data or WiFi networks in your Samsung Galaxy devices? Tell us in below comment box.

Do you want to permanently block a number on Samsung Galaxy S21 Ultra 5G? Here’s how to block unknown callers (Private numbers) on Samsung Galaxy S21/S21 Plus and S21 Ultra 5G.

What Happens When you Block a Number on Samsung?

When you block a number, it will stop phone calls and block text messages on your Samsung Galaxy from that phone number. You need to unlock a number to receive text messages and calls from that number. Also, enable or disable unidentified callers or unknown callers to block spam calls of private numbers.

How Do I Block a Number on my Samsung Galaxy S21 5G/S21 Plus/S21 Ultra?

Using a phone app or contact app on your Samsung devices, you can block a number individually.

Step 1: Open the Phone app on your Samsung device.

Step 2:  Tap on Three vertical dots (More) in the upper right corner.

Step 3: Select the Settings.

Step 4: Tap on Block numbers.

Step 5: You can Add a mobile number or choose contacts from the Recents or Contacts list.

Step 6: Tap + icon to add an unknown number you want to block.

You can block all unknown phone calls from your Samsung devices to toggle on the block unknown callers.

How to Block a Specific Number in Samsung Galaxy Using Recents Contact list

Step 1: Open the Phone app on your device.

Step 2: Tap on the Recents tab from the bottom.

Step 3: Tap on the Number or Contact from the list.

Step 4: Tap the Information (i) icon.

Step 5: Tap on the Block button at the bottom right corner.

Step 6: Tap the Block.

How to Unblock a Number on Samsung S21, S21+, S21 Ultra 5G

Step 1: Open the Phone app on your device.

Step 2: Tap on Three vertical dots (More).

Step 3: Select the Settings.

Step 4: Tap on Block numbers.

Step 5: Tap on the –  icon of a unblock number to remove it from the blocked contact list.

How to Block Unknown Numbers/Private Numbers on my Samsung Galaxy S21?

If you want to block unknown caller or private numbers on your Samsung S21 series, go to the App drawer > Phone app > Three vertical dots at the top right corner > Settings > Block numbers > Toggle on Block unknown/private numbers. Also, directly add a phone number to block it.

How Do I Block Spam Calls on Samsung S21?

To block spam and scam calls (Fraud, Telemarkets, and other unwanted callers), you need to enable caller ID and spam protection on your Samsung S21 series. Open the Phone app > Three vertical dots > Settings > Block numbers > Block spam and scam calls > Make sure Toggle on > Toggl on Block spam and scan calls.

How Do I Block All Incoming Calls on my Samsung Galaxy S21 Ultra?

You must add all contacts to the block list to block all incoming calls on your Samsung Galaxy S21 Ultra. To block all incoming calls, open the Phone app > Three vertical dots at the top right corner > Settings > Block numbers > Contacts > Select all contacts > Done. You’ll no longer receive phone calls and text messages from this number.

How do I Block Unknown Calls on my Samsung Galaxy?

You can block all unknown calls at once on your Samsung device using a phone app. Open the Phone app > Three vertical dots (More) at the upper right corner > Settings > Block numbers > Toggle on Block unknown/private numbers.

How do I Unblock Private Numbers on Samsung?

You can unblock private numbers from the recent contacts list or block number settings on your Samsung Galaxy devices. Open the Phone app > Recents tab > Long-press the blocked private number > Unblock or Go to App drawer > Phone app > Three vertical dots > Settings > Block numbers > “– ” icon of private number to unblock it.

Read Also:

• How to Hide Caller ID Galaxy S9 and Galaxy S9 Plus
• How to Block WhatsApp Contact Android

And that’s all. Have you ever needed to block a number on your Samsung Galaxy device? Tell us in below comment box. Stay and connect with us for the latest updates.