Galaxy A21s (4GB RAM)
SM-A217F/DSSolutions & Tips
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Others
What is this Proximity Sensor on your Samsung smartphone
FAQ for Samsung Mobile. Find more about what is this Proximity Sensor on your Samsung smartphone with Samsung Support.
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Others
Galaxy eSIM and supported network carriers
FAQ for Mobile Devices. Find more about Galaxy eSIM and supported network carriers with Samsung Support.
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Others
How to optimize charging of your Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to optimize charging of your Galaxy smartphone with Samsung Support.
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Others
How to update software
FAQ for Samsung Mobile. Find more about how to update software with Samsung Support.
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Others
How to ensure optimum charging
FAQ for Samsung Mobile. Find more about how to ensure optimum charging with Samsung Support.
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Others
How to optimize your smartphone’s performance and avoid heating
FAQ for Samsung Mobile. Find more about how to optimize your smartphone’s performance and avoid heating with Samsung Support.
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Others
How to optimize network connectivity
FAQ for Samsung Mobile. Find more about how to optimize network connectivity with Samsung Support.
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Others
Get complete diagnostic support for your smartphone on the Samsung Members app
FAQ for Samsung Mobile. Find more about Get complete diagnostic support for your smartphone on the Samsung Members app with Samsung Support.
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Others
How to take screenshots using the edge panel of your Samsung smartphone
FAQ for Samsung Mobile. Find more about how to take screenshots using the edge panel of your Samsung smartphone with Samsung Support.
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Others
How to take screenshots using the side keys of your Samsung smartphone
FAQ for Samsung Mobile. Find more about how to take screenshots using the side keys of your Samsung smartphone with Samsung Support.
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Others
How to take screenshots with a ‘palm swipe’ on your Samsung smartphone
FAQ for Samsung Mobile. Find more about how to take screenshots with a ‘palm swipe’ on your Samsung smartphone with Samsung Support.
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Others
How to backup and restore contacts on your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to backup and restore contacts on your Samsung Galaxy smartphone with Samsung Support.
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Others
How to enable and disable app notifications on your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to enable and disable app notifications on your Samsung Galaxy smartphone with Samsung Support.
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Others
How to force reboot your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to force reboot your Samsung Galaxy smartphone with Samsung Support.
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Others
How to use the ‘call recording’ feature on your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to use the ‘call recording’ feature on your Samsung Galaxy smartphone with Samsung Support.
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Others
How to set a custom ringtone for a contact on your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to set a custom ringtone for a contact on your samsung galaxy smartphone with Samsung Support.
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Others
How to block and unblock contacts on your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to block and unblock contacts on your Samsung Galaxy smartphone with Samsung Support.
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Others
How to check for and schedule software updates on your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to check for and schedule software updates on your Samsung Galaxy smartphone with Samsung Support.
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Others
How to use the ‘Battery and device care’ feature of your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to use the ‘Battery and device care’ feature of your Samsung Galaxy smartphone with Samsung Support.
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Others
How to import and export contacts on your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to import and export contacts on your Samsung Galaxy smartphone with Samsung Support.
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Others
How to view, edit and save contacts on your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to view, edit and save contacts on your Samsung Galaxy smartphone with Samsung Support.
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Others
How to set a picture or video as the ‘call background’ on your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to set a picture or video as the ‘call background’ on your Samsung Galaxy smartphone with Samsung Support.
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Others
How to use custom flash notifications on your Samsung smartphone
FAQ for Samsung Mobile. Find more about how to use custom flash notifications on your Samsung smartphone with Samsung Support.
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Others
How to use the ‘screen recording’ feature on your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to use the ‘screen recording’ feature on your Samsung Galaxy smartphone with Samsung Support.
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Others
How to enable ‘Dolby Atmos’ sound on your Samsung Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to enable ‘Dolby Atmos’ sound on your Samsung Galaxy smartphone with Samsung Support.
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Others
How to enable/disable the ‘call forwarding’ feature in your Samsung Galaxy Smartphone
FAQ for Samsung Mobile. Find more about how to enable/disable the ‘call forwarding’ feature in your Samsung Galaxy Smartphone with Samsung Support.
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Others
How to enable/disable the ‘call waiting’ feature in your Samsung Smartphone
FAQ for Samsung Mobile. Find more about how to enable/disable the ‘call waiting’ feature in your Samsung Smartphone with Samsung Support.
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Others
How to ensure seamless performance of your Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to ensure seamless performance of your Galaxy smartphone with Samsung Support.
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Others
How to view call logs on your Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to view call logs on your Galaxy smartphone with Samsung Support.
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Others
How to check the battery percentage on your Galaxy smartphone
FAQ for Samsung Mobile. Find more about how to check the battery percentage on your Galaxy smartphone with Samsung Support.
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Network & WiFi
Network carriers that support 5G for Samsung Galaxy devices
With the power of 5G, enjoy lightning-fast speeds, reduced latency, and seamless connectivity. Discover if your area is covered by a 5G network.
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Others
Use two hands with your Samsung Galaxy devices for maximum productivity
Using two hands to navigate your Galaxy devices will increase your productivity throughout the day.
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Others
Reduce power consumption with Light performance mode on your Galaxy device
You can use Light performance mode on your Galaxy device to prioritize battery life and cooling efficiency.
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Troubleshoot NFC issues on Galaxy devices
NFC technology enables faster and more convenient in-person payments on Samsung Galaxy devices. If you encounter any issues with its functionality, there are steps you can take to troubleshoot the problem.
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Network & WiFi
How to run eSIM self-diagnostics for the Galaxy Watch series
If you’re having trouble with the eSIM on your Galaxy watch, there are several possible solutions you can try at home.
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Others
Navigate your Galaxy phone and Galaxy tablet using Multi control
Multi control lets you connect your Galaxy tablet to your Galaxy phone for convenient multitasking capabilities!
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Hardware
Frequently asked questions regarding the Galaxy Z Flip5 and Fold5 hinge technology
Use this guide to understand how the new Flex hinge technology in Galaxy Z Flip5 and Fold5 works.
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Power
Causes and solutions for when your Samsung Galaxy device gets warm
If you are unsure as to why your Samsung Galaxy device is giving off heat, we may be able to help identify a cause and a solution.
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Camera
How to take a selfie with the Samsung Galaxy Z Flip5 FlexCam
Use this guide to learn how Samsung’s Galaxy Z Flip5 FlexCam enables users to effortlessly take selfies.
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Application
Galaxy device slows down, freezes, or displays ads after installing third-party apps
The Device care feature on your Galaxy device can be used to track down unwanted apps that may be causing ads or other issues.
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Camera
Tips for taking clear close-up photos with Galaxy phones
Use the tips in this guide to achieve clear photos when using your Samsung Galaxy S23 series, Galaxy Z Fold5, and Galaxy Z Flip5 phones.
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Others
How to clean your Samsung Galaxy device
Considering how dirt and germs accumulate on the devices we use every day, it is wise to learn how to clean your Samsung Galaxy device.
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Software Upgrade
Simplified app names in Galaxy One UI 6
Discover the streamlined experience of Samsung Galaxy One UI 6.0, where app names are simplified for enhanced usability. Explore Samsung's latest user interface updates, making your Android device even more user-friendly.
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Others
Protect your Galaxy device with the Auto Blocker feature
A guide to discover effective strategies to safeguard your Samsung device with Auto Blocker. Learn how to prevent installing unauthorized apps, secure your device against malicious activity, and enhance privacy and security.
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Call & Contacts
eSIM Contact saving function support discontinued
Learn how the discontinuation of the eSIM Contact saving function will affect where you store your contacts’ information.
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Samsung Apps
Use the Samsung Find app to share your location with your friends, child, family, and other contacts
Learn how to use the Samsung Find app to share your location with friends, family, and other contacts.
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Samsung Apps
Use the Samsung Find app to locate a lost device
Learn how to use the Samsung Find app to locate lost devices and track Samsung SmartTags.
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Samsung Apps
Features of the Samsung Find app
Discover the various features of the Samsung Find app.
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Others
How to set Generative wallpaper on Galaxy devices
Learn how to use generative wallpaper on the Galaxy S24.
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Multimedia
How to use Quick Share to share a file between phones
Learn how to use the Quick Share feature on your Galaxy S24.
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Camera
Enhanced zoom and Nightography on Galaxy devices
Discover the latest improvements in the enhanced zoom and nightography features included on the S24.
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Network & WiFi
Samsung Galaxy device's GPS signal is lost
Discover the causes of a lost GPS signal on a Galaxy device.
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Audio
How to use hearing aids with Samsung Galaxy devices
Discover how to use your hearing aids with your Galaxy device as well as how to use your device’s hearing enhancements features.
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Lock
Unlock Your Samsung Galaxy with a previous screen lock method
Discover how to unlock your Galaxy device with a previous screen lock method when you’ve forgotten your current PIN, password, or pattern.
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Hardware
Solid foreign object and water resistance rating (IP ratings) guide
Discover the features and meanings behind Ingress Protection (IP) ratings, which indicate a product's resistance to dust and water, helping you make informed decisions.
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Network & WiFi
What to do if you have a poor signal and cannot make calls on your Samsung Galaxy device
Learn some simple solutions for when your Galaxy device has a poor signal.
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Samsung Apps
View your step count in Samsung Health
Learn to use Galaxy devices to track your step count in the Samsung Health app.
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Software Upgrade
How to update your Samsung Galaxy phone or tablet
Learn how to keep your Galaxy phone or tablet up-to-date.
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Settings
About the updated Edge Panel and accessing the Smart select feature
Discover how the redesigned Edge Panel has made accessing the Smart select feature more convenient.
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Audio
Sounds, vibrations, and notifications on your Samsung Galaxy devices
Personalize sounds, vibrations, and notification settings on your Samsung Galaxy devices to enhance your user experience.
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Battery
How to set the display of charging information on your Samsung Galaxy device
Learn how to customize the display of charging notifications.
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Others
How to locate the digital User guide on your device
Learn how to locate your Galaxy device’s digital user manual on your device.
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Audio
Solutions for when your Galaxy phone won’t vibrate when receiving calls or notifications
Learn some troubleshooting solutions for when your Galaxy phone won’t vibrate when receiving calls or notifications.
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Others
How to pair a Galaxy Watch with your Samsung Galaxy device
Learn how to connect your Galaxy Watch to your Samsung Galaxy device with this step-by-step guide.
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Power
What to do if your Samsung Galaxy device turns off unexpectedly
If your Galaxy device turns off suddenly, this guide offers troubleshooting steps to identify the cause and solutions to ensure that it stays powered on when you need it.
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Power
How to use the Wireless power sharing feature on your Galaxy Device
Learn how to use the Wireless power sharing feature to charge your Galaxy phone and other devices.
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Settings
How to use your Galaxy phone or Watch to manage notifications on your wearable device
Learn how to use your Galaxy phone and Galaxy Watch to enable and disable notifications on your wearable device.
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Power
How to set up fast charging on your Galaxy device
Learn how to enable Fast charging on your Galaxy device and speed up the charging process.
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Others
How to connect Galaxy Buds to other devices
Learn how to pair your Galaxy Buds with other devices.
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Battery
What to do if your Samsung Galaxy device is not charging
FAQ for Samsung mobile devices. Find out more about What to do when mobile device has problem with charging turning on or boot loop with Samsung Support
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Others
How to fix the “No SIM Card Detected” error on Samsung Galaxy devices
Learn how to fix the 'No SIM Card Detected' error on your Galaxy phone with this guide to resolve SIM card issues.
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Others
Why is my Samsung Galaxy device slowing down and how can I speed it up?
Learn about a few things you can try when your Galaxy phone is slowing down.
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Others
What to do if your Samsung Galaxy device is not responding to S Pen Air actions
Learn how to troubleshoot your Galaxy device if S Pen air actions are not responding.
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Audio
Troubleshooting speaker and sound issues on a Samsung Galaxy device
Learn how to troubleshoot and fix speaker and sound issues on your Samsung Galaxy device.
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Others
How to create a Samsung account
FAQ for Samsung Mobile. Find more about how to create a Samsung account with Samsung Support.
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Settings
Galaxy Maintenance Mode
Maintenance Mode, repair mode
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Others
Why is my Samsung Galaxy device slowing down and how can I speed it up?
Why is my Samsung Galaxy device slowing down and how can I speed it up?
Manuals & Downloads
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