Samsung Galaxy A51 Verizon SM-A515UZKNVZW Guide

To perform a factory reset, go to Settings > General Management > Reset > Factory Data Reset. Follow the on-screen instructions to complete the reset. Ensure all important data is backed up, as this process will erase all data on the device.
To take a screenshot, press and hold the Volume Down and Power buttons simultaneously until the screen flashes. You can view your screenshots in the Gallery app.
First, check if the charging cable and adapter are functioning by trying them with another device. Clean the charging port to remove any debris that might be obstructing the connection. If the issue persists, try restarting the phone or using a different power outlet.
To extend battery life, reduce screen brightness, enable power-saving mode, turn off unnecessary background apps, and disable features like Bluetooth and Wi-Fi when not in use. Additionally, consider turning off location services if not needed.
To update the software, go to Settings > Software Update > Download and Install. If an update is available, follow the prompts to install it. Ensure your device is connected to Wi-Fi and has sufficient battery life before updating.
Restart your device to clear temporary glitches. Check for software updates and install them. Remove recently installed apps that might cause instability. If issues persist, perform a factory reset as a last resort.
Free up storage by deleting unused apps, clearing app caches, and transferring photos/videos to cloud storage or an SD card. You can also use the Device Care feature under Settings to optimize storage.
To enable Developer Options, go to Settings > About Phone > Software Information and tap 'Build Number' seven times. Enter your PIN if prompted. Developer Options will now appear in the Settings menu.
Go to Settings > Connections > Wi-Fi. Ensure Wi-Fi is enabled, then select your network from the list and enter the password. Tap 'Connect' to join the network.
Ensure your phone has a stable network connection. Restart the phone, and check message settings to confirm they are configured correctly. Clearing the messaging app cache might also help resolve the issue.