

The S21 Ultra can switch between WQHD+, FHD+, and HD+, the latter of which is more battery-friendly. Screen resolution controls the number of pixels per inch (PPI) that your screen can use. Adaptive refresh rate allows your phone to refresh its screen at speeds of up to 120 times per second (Hz), which gives you smoother interactions when scrolling through menus. The three features are adaptive refresh rate, screen resolution, and Always On Display. You may start with one setting, and if that doesn't help, try the next, etc. You're welcome to adjust or not adjust these settings as you see fit. There are three settings you can change to help with battery life, and all of them are located in Settings.

Not surprisingly, many of the recommended battery fixes pertain to the screen. SolutionĪlways check that you have the latest firmware installed on your phone, and try turning off location services via Wi-Fi and Bluetooth. Here, you’ll be able to see if your camera or any of your other apps are draining an abnormal amount of your battery. You can check your battery’s status by going to Settings > Device maintenance > Battery and viewing the Battery Usage graph. Most reports suggest that this is caused by the camera app draining the battery when the phone is idle - and Samsung has yet to provide a fix for the problem. But some users are reporting issues with the S21 battery draining faster than expected, particularly after a recent update.
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With the Galaxy S21 sporting a 4,000mAh battery, a 4,800mAh battery on board the S21 Plus, and the Ultra packing a 5,000mAh battery, it seems like Samsung’s S21 series smartphones are prepared for anything the day can throw at them. Reports suggest camera performance has certainly improved following the update, which seems to have solved the issue for most users, although some are still reporting issues.Īndy Boxall/Digital Trends Problem: Battery life depletes faster than expected
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SolutionĪ firmware update fixing the issue rolled out last June.

Samsung confirmed the problem months after it was first reported. Reports seem to indicate issues when switching between camera modes or zooming, with significant lag experienced by some users. It seems like reduced camera performance was an issue for many Samsung Galaxy S21, S21+, and S21 Ultra users out of the box, and for some users after a recent update - although the problem doesn’t seem to have affected everyone. Andy Boxall/Digital Trends Problem: Reduced camera performance and lag zooming or switching between modes
