Samsung Galaxy S20 5G T-Mobile SM-G981UZATMB Guide
![Samsung Galaxy S20 5G T-Mobile SM-G981UZATMB Phone manual cover](/images/ucoeXDlsPyDoraBLOKBCVQAZ/thumbs/thumb175x175.webp)
To perform a factory reset on your Samsung Galaxy S20 5G, go to Settings > General Management > Reset > Factory Data Reset. Follow the on-screen instructions to complete the process. Ensure you back up your data before proceeding.
First, ensure that 5G is enabled by navigating to Settings > Connections > Mobile Networks > Network Mode and select 5G/LTE/3G/2G. If the issue persists, restart your device, and check for any software updates. Contact T-Mobile support if the problem continues.
To maximize battery life, enable Power Saving Mode via Settings > Device Care > Battery > Power Mode. Reduce screen brightness, disable unused features like Bluetooth and GPS, and close background apps.
To update the software, go to Settings > Software Update > Download and Install. If an update is available, follow the prompts to download and install it. Ensure your device is charged and connected to Wi-Fi.
Use the Samsung Smart Switch app to transfer data. Install the app on both devices, connect them using a cable or Wi-Fi, and follow the on-screen instructions to transfer your data.
Press the Volume Down button and the Power button simultaneously to take a screenshot. You can also use the Palm Swipe gesture by enabling it in Settings > Advanced Features > Motions and Gestures.
If your screen is unresponsive, try a soft reset by pressing and holding the Power and Volume Down buttons simultaneously for about 10 seconds until the device restarts. If the issue persists, contact Samsung support.
To enable Dark Mode, go to Settings > Display > Dark Mode. You can also set a schedule for Dark Mode under Dark Mode Settings.
To clear the cache, go to Settings > Device Care > Storage > Clean Now. You can also clear the cache of individual apps by going to Settings > Apps, selecting the app, and choosing Storage > Clear Cache.
To set up a fingerprint lock, navigate to Settings > Biometrics and Security > Fingerprints. Follow the prompts to register your fingerprint and set up a backup password or PIN.