Samsung Galaxy Watch 4 Sensors Not Working, How to Fix?

Samsung Galaxy Watch 4 is still one of the best smartwatches in the market. But it’s not completely free from errors like any other electronic device. Several Galaxy Watch 4 owners have reported that the sensors have suddenly stopped working. This is a serious problem as they cannot keep themselves aligned with their fitness goals. Hence, fixing the problems with sensors on a smartwatch is critical. If your Samsung Galaxy Watch 4 is also running into similar problems, check out this guide to know about all the troubleshooting steps you need to fix the sensors not working problem.

Fix: Samsung Galaxy Watch 4 Sensors Not Working

The sensors can stop working due to software bugs or system glitches. Often, an outdated software version results in many issues. We recommend testing the solutions in the same order in which they are written below. You may not need to test them all. Just work your way down until you find the one that spells out success for you.

Solution 1: Reboot Your Watch

A software glitch can occur even if the device does not show any unusual behavior. It can result in many issues. The oneyou’re currently facing on your Samsung Galaxy Watch 4 is probably caused by a software glitch. Often, it can be fixed just by rebooting the device. You can try the same with your watch and let us know if it works.

To reboot your Samsung Galaxy Watch 4, press and hold the power button and back button simultaneously for 7 seconds. Leave the buttons once the device starts to reboot.

Solution 2: Check the Galaxy Watch 4 Fit and Clean Sensor

For the Galaxy Watch 4 sensors to take accurate readings, you must ensure that the good is sitting firmly on your wrist. It should not be too loose and should not be too light which can restrict blood flow.

Now, take out the watch from your wrist and clean the back which can improve the measurement accuracy. Make sure to clean the dirt around the sensing area with a clean dry cloth. Also, make sure that your wrist is clean before you wear the watch again.

Solution 3: Check for New Updates

An older software version might contain bugs and glitches that can cause severe problems. Thus, you need to make sure that the watch is running on the latest software version. Not only it can fix issues, but you’ll also get a better experience and new features too. Before you update the Galaxy Watch 4, make sure that the device has at least 30% battery.

Steps to update your Galaxy Watch 4:

On the connected phone, open the Galaxy Wearable app.
Click Watch settings and tap on Watch software update.
If an update is available, proceed to download and install.

In case, you do not have the connected phone along with you, open Settings on your watch and click Software update to check if there’s a new update. Once you’ve updated your Galaxy Watch 4, check if the sensors are working.

Solution 4: Change These Settings

Several Galaxy Watch 4 features including ECG, snore monitoring, and blood pressure monitoring won’t work if the device is not paired to a Samsung smartphone. Pair it with a Samsung smartphone to take full advantage of your smartwatch.

The next thing to check is Auto detect workouts. If it is disabled on your watch, the device won’t automatically record your workouts. To check, open Samsung Health on your watch and go to Settings > Auto detect workouts.

If your Samsung Galaxy Watch 4 has problems with location accuracy, go to Settings > Location and turn on Improve accuracy.

Solution 5: Reset Your Watch

If the sensors are still not working on your Samsung Galaxy Watch 4, resetting the device could fix it. It will remove everything from your watch. Hence, taking a backup is recommended. If you’ve already paired the watch with the Samsung Wearable app, the backup should have been created automatically.

Steps to reset Galaxy Watch 4 using the Galaxy Wearable app:

On the connected phone, open the Galaxy Wearable app.
Tap Watch settings.
Click General and tap Reset.
Tap Reset again to confirm.

Steps to reset Galaxy Watch 4 from the watch’s settings:

On your watch, open Settings and click General.
Click Reset.
Follow the on-screen instructions to reset the device.

Once you’re reset your Galaxy Watch 4, pair it again with your phone.

Final Words

Samsung Galaxy Watch 4 is an essential device to keep you up with your fitness goals. In any case, you do not want it to run into any problems. In this blog post, we discussed various methods to fix the Samsung Galaxy Watch 4 sensors not working issue. I hope one of them fixed the issue on your watch. Do share your thoughts on Samsung Galaxy Watch 4 in the comments below.