How to use the Galaxy Watch 4: A beginners guide

Samsung Galaxy Watch 4 boots up for the first time on a white leather surface.

If you’re wondering how to set up your Samsung Galaxy Watch 4 and make the most of all its features, you’ve come to the right place. Samsung’s smartwatches are brimming with exciting tools and features. Follow our extensive how to for using the Galaxy Watch 4. If you’re facing a particular glitch or issue, check out our guide to common Galaxy Watch 4 problems and solutions.

How to set up the Galaxy Watch 4

Samsung Galaxy Watch 4 rests on a black leather case displaying the watches Welcome screen.

Kaitlyn Cimino / Android Authority

Though now outdone by Samsung’s Galaxy Watch 5 series, Galaxy Watch 4 devices pack plenty of features and refinement, including the latest Wear OS. We were very impressed by the lineup during our Galaxy Watch 4 review and still consider a watch from the series a valuable buy. This guide covers all the steps – from powering up to personalization – for getting the most out of your Galaxy Watch 4.

How to turn your Galaxy Watch 4 on and off

User turns on the Samsung Galaxy Watch 4 by holding down the top button.

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With extended battery life, there aren’t many reasons you’ll have to power your smartwatch on or off. If the need does arise, all it takes is the device itself.

How to turn on the Galaxy Watch 4

To turn on your Galaxy Watch 4, locate the home button, (the top button with a red lining).

  1. Press and hold the home button until you see the Samsung startup screen.

If after a few moments, your watch won’t power on, it may be out of battery.

How to turn off the Galaxy Watch 4

Galaxy Watch 4 Screenshot Quick Panel

Galaxy Watch 4 Screenshot Turn Off

Consider powering down your device if you anticipate an extended period of nonuse.

  1. Swipe down from the top of your watch face to open the quick panel.
  2. Tap the power icon, then tap Turn off.

How to turn on Power saving mode

Galaxy Watch 4 Screenshot Settings

Galaxy Watch 4 Screenshot Setting Battery

Galaxy Watch 4 Screenshot Power Saving Mode

Galaxy Watch 4 Screenshot Watch Only

Galaxy Watch 4 Screenshot Confirm Watch Only

If you find yourself in a pinch, you can always conserve battery by putting your smartwatch into Power saving mode. This will turn off a number of features including Wi-Fi and decrease the brightness of your screen by 10 percent.

  1. Swipe up to your apps and tap the Settings icon.
  2. Scroll down to and tap Battery.
  3. Tap the Power saving toggle.

If times get really desperate, you can also disable everything on your device except a simple watch face for telling time. To do so, scroll down beyond the Power saving toggle and tap Watch only, then tap Turn on to confirm.

How to pair your new Galaxy Watch 4

A Galaxy Watch 4 pairs to a Galaxy A51 phone.

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Pair your Galaxy Watch 4 to an Android smartphone to really get started setting up your new device. Using the Galaxy Wearable app, follow the steps below.

  1. Open the Play Store on your compatible smartphone. Search for and select the Galaxy Wearable app and tap Install.
  2. Once the installation is complete, open the Galaxy Wearable app and tap Start to search for your Galaxy Watch 4.
  3. Confirm that the six-digit code on your watch matches the code on your smartphone. You should feel your watch vibrate.
  4. On your smartphone, sign in to your Samsung Account or create an account if you don’t have one yet.
  5. Follow the prompts to review a variety of permissions and complete the setup process.

You will see prompts to activate your carrier’s service on your smartwatch. Follow the prompts to complete the activation process. You can always skip this step if you do not want service on your watch or if you have a Wi-Fi only model.

How to update your Galaxy Watch 4

A Galaxy Watch 4 user checks for software updates in the watch settings.

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With more software features often coming down the pipe, it’s no surprise Samsung makes updating your Galaxy Watch 4 hassle-free. Set updates to occur automatically or follow the steps below to check for and install updates on demand.

From your watch

  1. Swipe up to your apps then scroll to and tap the Settings gear icon.
  2. Scroll down to and tap Software update to check for updates.
  3. If prompted to download an update, tap Install now.
  4. Wait for the watch to reboot. While installing the update you will see a progress bar or rotating animation.

From your phone

  1. Open the Galaxy Wearable app on your paired phone.
    Tap Watch settings, then tap Watch software update.
  2. Wait for the watch to reboot. While installing the update you will see a progress bar or rotating animation.

How to reset the Galaxy Watch 4

Galaxy Watch 4 Settings App

Galaxy Watch 4 General Setting

Galaxy Watch 4 Reset

Galaxy Watch 4 Reset Factory Settingjpeg

Wipe your device clean in just a few taps. Resetting your Galaxy Watch 4 to factory settings will erase all personal data from the device for a completely fresh start.

  1. Swipe up to your apps and tap the Settings icon.
  2. Scroll down to and tap General.
  3. Scroll down to and tap Reset.
  4. From this screen, you can choose to back up your data to restore on this or another watch, or you can choose to reset the watch.
  5. To completely erase all personal information from the device and reset your watch to factory settings, tap Reset.

How to restart the Galaxy Watch 4

To force reboot your Galaxy Watch 4, press and hold both the Home and Back buttons simultaneously for about seven seconds. Rebooting is a handy fix if your watch isn’t responding or if an app is acting up.

How to charge the Galaxy Watch 4

Samsung Galaxy Watch 4 rests on a beige cushion while charging.

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According to Samsung, your Galaxy Watch 4 battery should last you about 40 hours. Unfortunately, once you do run down the battery, it will take nearly two hours for a full charge.

  1. Connect your wireless charger to a USB charging port.
  2. Place your watch on the charger, aligning the center of your watch body with the center of the charger.
  3. You will see a percentage indicating how much battery the device currently has left. Once the watch is fully charged, or when it is charged enough for your purposes, simply disconnect it.

As is the case with most smartwatches, charging the Galaxy Watch 4 is very straightforward. However, if you usually juice up your devices overnight, you may want to adjust your charging habits to take advantage of sleep tracking.

How to personalize your Galaxy Watch 4

Make a statement. With fully customizable watch faces and interchangeable bands, you can personalize your Galaxy Watch 4 to a look that fits any style (and any occasion). Pair a funky watch face with a colorful strap or keep it classic with Roman numerals and a metallic band. With so many faces and bands to choose from, the combinations are endless.

How to change Galaxy Watch 4 watch faces

User sets custom colors to the Galaxy Watch 4 endangered animals watch face.

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The Galaxy Watch 4 offers a variety of customizable watch faces you can set up easily and on the go. Whether your focus is fitness or fun, choose a design that fits your needs and personalize it with colors and complications. Follow the directions below to change your watch face from a paired phone, or right on the device itself.

From your phone

Many users will find it simpler to customize watch faces from a paired phone. The bigger screen makes for easier browsing of changeable options.

  1. On your paired phone, open the Galaxy Wearable app, and tap Watch faces.
  2. Browse through the available faces to find and tap the one you like, then tap Customize at the top of the screen. Depending on the face you select, you can edit a variety of watch face features including detail colors, complications, and more.
  3. When you are finished customizing, tap Save.

Tap Get more watch faces at the bottom of the watch faces screen to download or buy additional watch faces.

From your watch

Galaxy Watch 4 Screenshot Customize Face

Galaxy Watch 4 Screenshot Face Complication Colors

Galaxy Watch 4 Screenshot Face Complications

Galaxy Watch 4 Screenshot Face Center Complication

Scroll through the design options available right on your device. Some faces, like Big Number, only allow for simple color changes. Others, like Animals or Digital Dashboard, offer more room for complications.

  1. Touch and hold your current watch face.
  2. Swipe left or right to browse styles.
  3. Select a new watch face, then tap Customize to change options including backgrounds, colors, and complications.

From your face gallery, scroll all the way left and tap Get more watch faces to download or buy additional watch faces.

How to change Galaxy Watch 4 bands

Samsung Galaxy Watch 4 rests face down, exposing the band's spring bar.

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Changing bands is one of the most visually impactful ways to personalize your device. Plus, Galaxy Watch 4 bands come in a variety of styles and materials so you can accessorize with a band that fits your lifestyle.

How to remove your Galaxy Watch 4 band

To remove your band, lay your watch face down on a clean, nonabrasive work surface. If your current band allows, disconnect any clasps and lay the band sides flat.

  1. Using a fingernail, slide the band’s spring bar inward.
  2. Lightly pull the band away from the watch body.
  3. Repeat with the opposite spring bar and remaining band.

How to replace your Galaxy Watch 4 band

Start by removing your current band, then follow the directions below to attach a new style. Swap in a metal band for classy events or go with a silicon option for sweaty sessions at the gym.

  1. Insert one end of the band’s spring bar into your Galaxy Watch lug.
  2. Slide the spring bar inward and align the opposite corner of the band with the remaining lug.
  3. Repeat with the opposite spring bar and band end.

How to add apps and other files to the Galaxy Watch 4

Samsung Galaxy Watch 4 displays app screen on a black background.

Kaitlyn Cimino / Android Authority Samsung Galaxy Watch 4

The Samsung Galaxy Watch 4 is an inherently great device, but what really sets it off are all the apps it supports. Make your device work for you by adding the media, fitness, and lifestyle apps you like best.

How to add apps to your Galaxy Watch 4

The Wear OS app library is substantial, with more Google apps available than ever before on a Samsung smartwatch. Download the best Wear OS apps that will make your watch work harder for you.

From your phone

Add apps to your smartwatch from the Galaxy Wearable app on your paired smartphone.

  1. Open the Galaxy Wearable app.
  2. Near the bottom of your screen, locate and tap Store.
  3. Search for the app you want, tap it, and then tap Install.
  4. Wait for the app to automatically install on your watch.

New apps you add to your phone will automatically be added to your watch, but you’ll want to manually add apps you already had before setup. To do so, open the Google Play Store on your watch and tap Apps on your phone. From here you can add any apps with a watch counterpart.

From your watch

You can also download apps directly onto your watch in the Google Play store.

  1. Open the Google Play Store.
  2. Search for the app you want, tap it, and tap Install.
  3. Wait for the installation to be complete, then find the new addition in your apps.

How to remove apps from your Galaxy Watch 4

Don’t let useless apps clog your library. Delete any apps you don’t use or that no longer serve you.

Galaxy Watch 4 Screenshot Press App

Galaxy Watch 4 Screenshot confirm uninstall

  1. Swipe up to your apps and locate the app you would like to uninstall.
  2. Touch and hold the app’s icon.
  3. Tap Uninstall, then tap OK.

How to add music to your Galaxy Watch 4

User manages content, including music and photos, on the Galaxy Wearable app.

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Use the Galaxy Wearable app to send music to your watch. Music files cannot be exported directly from a PC so make sure any tracks you want to add are on your phone.

  1. Open the Galaxy Wearable app.
  2. Tap Watch settings, then tap Manage content.
  3. Tap Add tracks.
  4. Select the music files you would like to add, or tap All in the upper left corner.
  5. Once you’ve made your selections tap Done.

You can also set up auto-syncing for new tracks by tapping the toggle under music.

How to add photos

Galaxy A51 user sends photos to a Galaxy Watch in the Galaxy Wearables app.

Kaitlyn Cimino / Android Authority

Keep memories close by adding personal photos to your Galaxy Watch 4. You can even set a favorite shot as your watch face.

  1. Open the Galaxy Wearable app on your paired smartphone.
  2. Tap Watchsettings, then tap Manage content.
  3. Tap Addimages.
  4. Select the photos you would like to add to your watch, then tap Done.

You can also set up auto-syncing for images by tapping the toggle under Gallery.

How to use fitness tracking and sleep features

A Galaxy Watch 4 displays the Daily Activity screen hovering over a brown picnic table.

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The Galaxy Watch 4 is a hub of useful health and fitness tracking, most of which you can set to your own preferences and goals. Tap into all the tools your device has to offer.

How to customize your Samsung Health settings

Galaxy Watch 4 Samsung Health App

Galaxy Watch 4 Samsung Health Settings Button

Galaxy Watch 4 Samsung Health Settings Menu

Galaxy Watch 4 Samsung Health Auto Detect

Galaxy Watch 4 Samsung Health Inactive Alerts

Galaxy Watch 4 Samsung Health Connected Services

Start by customizing the settings in your Samsung Health app. Here you can choose what alerts you want to receive, how often you want measurements taken, and other health tracking settings.

  1. Swipe up to your app screen and tap the Samsung Health app.
  2. Scroll all the way down and tap Settings.
  3. Scroll down to locate customizable settings.

How to track steps and other fitness info

Your watch will automatically track your steps and daily activity. You can also set targets to establish personal goals and stay on track.

  1. Swipe to your apps and tap the Samsung Health app.
  2. Scroll down to and tap Daily Activity.
  3. Swipe up to view your daily and weekly data.
  4. At the bottom, tap Set targets to choose daily goals for Steps, Active time, and Activity calories. Tap each measurable, choose a target number and tap Done.

How to track sleep

Galaxy Watch 4 rests on a white leather surface displaying information about the device's sleep tracking capabilities.

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Track your sleep stages overnight, and in the morning, your Galaxy Watch 4 will provide you with a sleep score.

  1. Swipe to your apps and tap the Samsung Health app.
  2. Scroll down to and tap Sleep.
  3. Swipe up and view your sleep data.

If your Galaxy Watch 4 is paired to a Galaxy smartphone, you can also set it to provide snoring detection in conjunction with blood oxygen readings.

How to measure your heart rate

Samsung Heart rate tracker shows user has a higher than average resting heart rate.

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Take your heart rate measurements from a relaxed, seated position.

  1. Open the Samsung Health app and tap Heartrate.
  2. Tap Measure to begin recording your heart rate. After a few seconds, your screen will display your current heart rate.
  3. Tap Tag to select a status tag for your measured heart rate.

How to measure your stress levels

Keep track of your stress. The Galaxy Watch 4 can measure your stress levels for fitness and wellness purposes.

  1. Open the Samsung Health app and tap Stress.
  2. Tap Measure. Once the recording is complete, your current stress level results will be displayed.

From your results screen, swipe up to access breathing exercises to help reduce stress. Choose the number of breath cycles you would like to complete and tap Breath to begin. A pulsing design and basic prompts will guide you through the exercise.

How to measure body composition

Do not use this feature if you are pregnant or if you have an implanted pacemaker or other implanted medical device.

  1. Swipe to your apps and tap the Samsung Health app.
  2. Scroll down to and tap Body Composition.
  3. Tap Measure, then select your gender, height, and weight.
  4. Follow the prompts on your device and you will see the measurement progress on your screen. Once the recording is complete your results will be displayed.

How to measure blood oxygen

If you have any concerns about your blood oxygen seek medical attention. Like most smartwatch SpO2 sensors, the Galaxy Watch 4 provides blood oxygen measurements for fitness and wellness purposes only.

  1. Swipe to your apps and tap the Samsung Health app.
  2. Scroll down to and tap Blood Oxygen.
  3. Tap Measure, then follow the prompts on your device. Once the recording is complete your results will be displayed.

How to use your Galaxy Watch 4 for digital payments

Keep your credit, debit, and other cards right on your device with a digital wallet. Both Samsung Pay and Google Pay will even let you upload your Covid-19 vaccination card.

How to use Samsung Pay on Galaxy Watch 4

A Galaxy Watch 4 displays Samsung Pay, one of the digital payment options on the device.

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Samsung Pay makes for easy shopping. However, it is worth noting that the service only supports NFC payments at this time.

  1. On your smartwatch, press and hold the Back button for 1–2 seconds.
  2. Once Samsung Pay opens, swipe left to view the basic instructions. Tap the arrow to begin setting up Samsung Pay.
  3. Tap OK to open Samsung Pay on your phone, then tap Start. If prompted, sign in to your Samsung account.
  4. Follow the on-screen prompts to finish your setup process. Tap Add card to add a card to Samsung Pay. At this point, you will be prompted to set a lock screen if you haven’t already. Simply follow the on-screen prompts to enter a four-digit PIN, then enter it a second time to confirm.
  5. You will be prompted to return to your phone screen to Add or import payment cards through your phone.

Once you’re all set, access Samsung Pay quickly to pay for items. Hold down the Back button on your watch and your cards will appear.

How to use Google Pay on your Galaxy Watch 4

Thanks to the Google and Samsung Wear OS collaboration, Galaxy Watch 4 users can also download Google Pay. If this is your preferred digital payment option, follow the steps below to set it up.

  1. Swipe up to your apps and tap on Google Play Store.
  2. Scroll down to and tap Essential watch apps, then scroll to and tap Google Pay.
  3. Tap Install.
  4. Once the app is installed, tap Open and follow the prompts to set up your payment options. You will need both your watch and phone handy to complete the process.

How to make and answer calls from your Galaxy Watch

Your Galaxy Watch can also help you stay in touch. Follow the steps below to make and receive phone calls on your device.

How to make a call from your Galaxy Watch

Galaxy Watch Screenshot Phone

Galaxy Watch Screenshot Dial Contact

Galaxy Watch Screenshot Call

To place a call from a Bluetooth-only device you will need to be connected to your paired smartphone. With an LTE model, you can place calls without your phone nearby.