Start with pairing your smartwatch to your phone
A smartwatch works by connecting wirelessly to your smartphone through Bluetooth. Before you can use most features, you need to pair the two devices — this means telling them to recognize and trust each other. The process takes about five minutes and happens only once.
Turn on your smartwatch and open the companion app on your phone. The app name depends on the brand: Apple Watch uses the Watch app, Samsung Galaxy Watch uses the Galaxy Wearable app, and Wear OS watches (made by brands like Fossil or Mobvoi) use the Wear OS app. Follow the on-screen prompts to scan a code or confirm the pairing. Your phone will ask permission to share contacts, calendar, and notifications — you can allow or deny each one separately.
Once paired, your smartwatch will stay connected to your phone as long as both are powered on and within about 30 feet of each other. If you walk out of range, the watch will reconnect automatically when you return.
Key Takeaways
- Pair your smartwatch to your phone through the companion app, which takes about five minutes and only needs to happen once.
- Notifications, calls, and messages appear on your wrist only if you allow them in the app settings on your phone.
- Swipe, tap, and press the physical buttons to navigate menus and open apps on the watch screen.
- Most smartwatches track steps, heart rate, and sleep automatically without any setup beyond wearing the device.
- Battery life ranges from one to three days depending on the model and how often you use the screen.
Control notifications and messages on your wrist
After pairing, your smartwatch will show notifications — alerts from texts, emails, calendar reminders, and apps — on its screen. You control which notifications reach your wrist through the companion app on your phone, not the watch itself. Open the app, find the Notifications section, and toggle each app on or off. This way you see only what matters to you without being overwhelmed.
When a notification arrives on your watch, you can read it, dismiss it by swiping left, or sometimes reply. For text messages and calls, most smartwatches let you send a quick preset reply like "Thanks" or "Call you later" without typing. Some watches with microphones let you dictate a message or answer a call directly from your wrist, though the audio quality is usually lower than your phone.
If your watch has a speaker, you can take calls on it, but the other person will hear you through the watch's small speaker. For longer conversations, it is faster to grab your phone.
Navigate apps and menus using touch and buttons
Smartwatches have a small screen, so navigation works differently than on a phone. Most watches use a combination of swiping and tapping. Swipe down from the top to see quick settings like brightness and Do Not Disturb. Swipe up from the bottom to see your notifications. Swipe left or right to move between screens or close an app.
Physical buttons on the side of the watch let you wake the screen, go back, or open the app menu. Press and hold the main button to set up voice commands — you can say "Show me my heart rate" or "Start a workout" without touching the screen. The exact button layout varies by brand, so check your watch manual for the specific layout.
Apps on a smartwatch are simplified versions of phone apps. They load slower and show less information because of the small screen. Opening your banking app on a watch, for example, might show your balance but not transaction history. The watch app is meant for quick checks, not detailed work.
Use built-in fitness and health tracking
Most smartwatches track activity automatically the moment you put them on. They count steps, measure heart rate using a sensor on the back, and record sleep when you wear the watch to bed. You do not need to start anything — the watch works in the background. Open the companion app on your phone to see your daily step count, heart rate trends, and sleep duration.
To track a specific workout, open the Workout or Exercise app on your watch and select the activity — running, cycling, swimming, or walking. The watch will record your time, distance, and calories burned. When you finish, press stop and the data saves to your phone. Over time, the watch learns your patterns and can remind you to move if you have been sitting too long.
Some watches show your current heart rate on the watch face itself, and many can alert you if your heart rate spikes unexpectedly. Sleep tracking happens automatically, but you can view detailed breakdowns in the app — how long you were in light sleep versus deep sleep, for example.
Customize your watch face and settings
The watch face is the main screen you see when you raise your wrist. Most smartwatches come with several built-in faces to choose from, and you can change it by long-pressing the current face. Select a new design from the gallery. Some faces show only the time, while others display your step count, weather, or upcoming calendar events at a glance.
Adjust settings through the companion app on your phone. You can change the brightness, set a sleep schedule, turn on or off specific sensors, and manage which apps appear on your watch. Some settings, like Do Not Disturb mode, can also be toggled directly on the watch itself.
Battery life depends on how often you use the screen and which features you have turned on. Turning off the always-on display, disabling continuous heart rate monitoring, and reducing notification frequency will extend battery life. Most smartwatches last one to three days before needing a charge.
Charge your smartwatch and maintain it
Smartwatches charge through a proprietary dock or cable that connects to the watch's charging pins or port. The dock usually comes in the box. Place your watch on the dock and it will begin charging — most watches reach full battery in one to two hours. Some watches charge wirelessly, meaning you just set them on a charging pad without plugging anything in.
Check the battery percentage in the companion app or by swiping down on the watch to see quick settings. When the battery gets low, the watch will send you a notification. Charge it regularly to avoid it shutting down during the day.
Keep your watch clean by wiping it with a soft, dry cloth. If your watch is water-resistant, you can rinse it under running water, but avoid submerging it unless the manufacturer says it is waterproof. Check your manual for the exact water rating — some watches are safe for swimming, while others are only splash-resistant.
Troubleshoot common issues
If your watch stops showing notifications, open the companion app and check that notifications are turned on for each app. Also check that your phone's Do Not Disturb mode is not blocking them. Restart both your phone and watch by powering them off and back on.
If the watch will not pair, make sure Bluetooth is on in your phone's settings and that you are using the correct companion app for your watch brand. Delete the app and reinstall it if pairing keeps failing. Some watches need to be reset to factory settings before they will pair with a new phone — check your manual for the reset button or option.
If the battery drains quickly, turn off features you do not use, like continuous heart rate monitoring or the always-on display. Reduce the screen brightness and limit how often you check notifications. If the battery still drains in a few hours, the battery itself may be failing and you may need to contact the manufacturer.
Frequently Asked Questions
Do I need my phone nearby for my smartwatch to work?
For most features like notifications and calls, yes — your phone needs to be within about 30 feet and connected via Bluetooth. However, fitness tracking, the time display, and some apps work on the watch alone. Watches with built-in GPS can track your route without your phone, but they still need the phone to send notifications.
Can I use a smartwatch without a smartphone?
Most smartwatches require a phone to set up and pair. Some basic watches can show the time and track steps without a phone, but you lose notifications, messaging, and app features. Check your watch's manual to see if it supports standalone use.
How often should I charge my smartwatch?
Most smartwatches last one to three days per charge, so you will charge them every night or every other night. Some newer models claim up to a week of battery life. Charge whenever the battery reaches 20 percent to avoid the watch shutting down unexpectedly.
Can I answer calls on my smartwatch?
Yes, if your watch has a microphone and speaker. When a call comes in, tap the answer button on your watch screen. The call audio plays through the watch's speaker and your voice comes through the microphone. For longer conversations, it is usually easier to grab your phone.
What happens if I go swimming with my smartwatch?
Check your watch's water rating first. Most modern smartwatches are water-resistant up to 50 meters, which means they can handle splashes and brief submersion. Some are rated for swimming. Avoid saltwater and hot tubs unless your manual says it is safe. Rinse your watch with fresh water after swimming to remove salt or chlorine.