Samsung Galaxy S21 Ultra 5G T-Mobile SM-G998UZBATMB Guide
![Samsung Galaxy S21 Ultra 5G T-Mobile SM-G998UZBATMB Phone manual cover](/images/UEeTYfpiOWFWXvgBgHGSrIWf/thumbs/thumb175x175.webp)
To take a screenshot, press and hold the Volume Down and Power buttons simultaneously until you see a flash on the screen. You can also swipe the edge of your hand across the screen from right to left to capture a screenshot.
Go to Settings > Connections > Mobile networks > Network mode. Select an option that includes 5G, such as "5G/LTE/3G/2G" to enable 5G connectivity.
First, check the charging cable and adapter for any damage. Try using a different cable and adapter. Ensure that the charging port on the phone is clean and free of debris. If the problem persists, restart the phone or try charging it in Safe Mode.
Use Samsung Smart Switch to transfer data. Install the app on both devices, connect them using a cable or wirelessly, and follow the on-screen prompts to transfer contacts, photos, and other data.
Go to Settings > General management > Reset > Factory data reset. Follow the prompts to reset the device to its original factory settings. Remember to back up your data before performing the reset.
Reduce screen brightness, use power-saving mode, limit background data usage for apps, and disable features like Bluetooth and GPS when not in use. Also, keep your phone's software updated for optimal performance.
Go to Settings > Apps, select the app you want to clear the cache for, and tap on Storage. Then, tap on Clear cache to remove cached data for that app.
Overheating can be caused by extensive use of apps, high ambient temperatures, or charging. Let the phone cool down, close unused apps, and avoid using the phone while charging. If the issue persists, check for software updates.
Go to Settings > Software update > Download and install. The phone will check for updates, and if available, follow the on-screen instructions to install the latest software.
Press and hold on an empty area of the home screen to enter editing mode. From there, you can add widgets, change wallpapers, and rearrange app icons to customize the home screen to your liking.