Samsung Galaxy S8 Plus US Cellular SM-G955UZSAUSC Manual

To perform a factory reset, go to Settings > General Management > Reset > Factory data reset. Confirm your selection and follow the on-screen instructions.
Press and hold the Volume Down and Power buttons simultaneously until you see the screenshot animation.
Check the charging cable and adapter for damage. Try using a different charger or outlet. If the issue persists, clean the charging port and consider a battery health check.
Reduce screen brightness, disable background apps, and use power-saving modes. Also, turn off features like Bluetooth and GPS when not in use.
Go to Settings > Software update > Download and install. Follow the prompts to complete the update. Ensure your device is charged and connected to Wi-Fi.
Overheating can be caused by intensive apps running, a hot environment, or a faulty battery. Close unused apps, avoid direct sunlight, and check for software updates or battery issues.
Use Samsung Smart Switch to transfer data. Download the app on both devices and follow the instructions for either wireless transfer or using a USB cable.
Restart your phone and router. Ensure Wi-Fi is enabled and the correct password is entered. Forget and reconnect to the network or reset network settings if needed.
Delete unused apps and clear cache data from apps. Use the Device Care feature in Settings to optimize storage, and consider moving files to a microSD card or cloud storage.
Perform a soft reset by holding the Volume Down and Power buttons for about 10 seconds. If the issue persists, check for screen damage or software updates.