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Home / Tips and Tricks / Common Samsung Galaxy S21 Problems and How to Fix Them

Common Samsung Galaxy S21 Problems and How to Fix Them



There is nothing more exciting than the launch of a new flagship. If you are lucky enough to already own a Galaxy S21, S21 + or S21 Ultra, it can be frustrating to experience bugs or issues. Don’t worry if your Galaxy S21 is not working as expected and you are almost pulling your hair out. We’ve rounded up some of the most common problems you may experience with the new Galaxy phones and found easy solutions for them.

Want to know more about the S21 range? Check out our Samsung Galaxy S21 review.

Problem: Battery life is running out faster than expected

Andy Boxall / Digital Trends

With the Galaxy S21 with a battery capacity of 4000 mAh, a battery of 4800 mAh on board the S21 Plus and the Ultra with a battery of 5000 mAh, it seems that Samsung’s latest smartphones are ready for whatever the day takes them. has to offer. But some users are reporting problems with S21 battery draining faster than expected. You can check the status of your battery by going to Settings > Device maintenance > Battery and viewing the battery usage graph. Here you can see if one of your apps is draining an abnormal part of your battery.

Solution

Always make sure you have the latest firmware installed on your phone and try to disable location services over Wi-Fi and Bluetooth.

The S21 series has an adaptive refresh rate, which can mean longer battery life when set to 120Hz. You can manually reduce the refresh rate to 60Hz, but you will produce smoother animations. Just follow the steps below:

  1. Open the Settings app on your phone.
  2. Scroll down Screen.
  3. Select Smooth movement.
  4. Select Refresh rate of 60 Hz.
  5. Crane Apply.

You can also try lowering the screen resolution to boost your battery. Lowering your resolution makes buttons and other items larger, but be careful not to venture into blurry areas and find the perfect spot between detail and battery life. Just follow the steps below to lower your screen resolution:

  1. Open the Settings app.
  2. Select the Screen choice.
  3. Scroll down and click Screen resolution.
  4. Adjust the slider to the resolution you want to use.
  5. Click Apply.

If you find yourself losing a lot of battery due to Always On Display, follow the steps below to turn it off:

  1. Open the Settings app on your device.
  2. Scroll down Key lock Screen.
  3. Tap to turn off Always on display.

If you still find yourself only getting a few hours of screen time from your new handset, you may need to contact the manufacturer or return it for a replacement.

Problem: Galaxy S21 overheats when multitasking

Andy Boxall / Digital Trends

Alarmingly, many users on the Samsung forums and XDA developer forums have reported problems with the Galaxy S21 overheating while multitasking or downloading system updates. The problem seems to crop up even with minimal multitasking like watching a YouTube video while browsing the web. It initially looked like the problem may have been 5G connectivity but users are reporting that the problem persists even with mobile data turned off.

Solution

With the phone being available for general purchase for just under a week, Samsung has yet to respond to this issue. In the meantime, if you are having issues with your phone overheating, we recommend that you make sure that you leave it unplugged and charge it unattended or overnight. If you are concerned, you can contact Samsung or consider sending your handset back for a replacement, but hopefully Samsung will respond with a solution to this problem shortly.

Problem: Galaxy S21 Ultra touchscreen doesn’t always register input

Andy Boxall / Digital Trends

If you are having trouble registering inputs through the S21 Ultra touchscreen – as some users have reported – it can be incredibly frustrating. Tapping double or triple to make the phone respond can leave you wondering what’s going wrong – and users have also reported issues with the fingerprint sensor.

Solution

If this happens to you then it is definitely worth bearing in mind that the phone comes with a screen protector pre-installed. Some users have reported problems installing a new screen protector without realizing that one was already installed on the phone. If you’re planning to install (or have already installed) a new screen protector, make sure to get the one on the phone out of the box.

It is also worth going to Settings > Screen > Touch sensitivity. Ensure Touch sensitivity is turned on and see if this solves the problem.

If the fingerprint scanner does not register your fingerprint, you can try to register it again by following the steps below:

  1. Open the Settings app on your device.
  2. Scroll down Biometrics and security.
  3. Select Fingerprints.
  4. Enter your current security code.
  5. Then remove any old fingerprints.
  6. Register your fingerprints again with Add fingerprint.

If you are still having problems, you can contact Samsung support.

Problem: Accidental touching of the screen

The Galaxy S21 phones all have expanded screens, and all that screen real estate means you accidentally touch your phone screen. Samsung offers a quick and easy way to avoid sending nonsense text messages or accidentally launching apps.

Solution

Just follow these steps:

  1. Open the Settings app.
  2. Scroll down Screen.
  3. Turn on the switch for Accidental touch protection.

Problem: Samsung Pay is not working and the phone is not receiving any updates

Samsung Galaxy S21
Andrew Martonik / Digital trends

If you’re in the US and reading this, the good news is that this problem probably didn’t affect you. But reports on Samsung’s forums suggest that some users in the UK and Italy are having problems using Samsung Pay on their new devices, and those affected have not received any software updates either. The problem seems to be caused by the wrong CSC set on the phone.

The CSC is a code that is region or country specific and enables certain functions for your phone. So if your phone has the CSC for one region and you set it in a completely different region or country, you will experience issues such as not receiving official software updates – and some features of the phone may not work.

Solution

Samsung hasn’t acknowledged the problem yet, but a user in the UK has reportedly received a fix, and reports from Italy suggest the company is rolling out a fix there too.

If you are having this problem with your phone, you can try the steps in this thread or contact Samsung for support.

Problem: Bluetooth devices do not connect properly

Bluetooth can falter no matter which phone you are using. If you are having Bluetooth issues on your Galaxy S21, try toggling the setting off and then back on.

Solution

Still a problem? You can follow these steps to reset your Bluetooth cache and wipe existing devices.

  1. Open the Settings app.
  2. Scroll down and tap Apps.
  3. Select Bluetooth.
  4. Crane Clear cache.

Something else?

However much you think you know about your phone, it never hurts to ask for help. If your specific problem is not on our list or if the solutions provided do not work, it is best to contact the manufacturer. You can contact Samsung via online chat or phone – or in person at a Samsung store if there are currently stores near you.

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