LG K8 2017 LG-US215 User Guide

To perform a factory reset, go to Settings > Backup & reset > Factory data reset. Confirm by selecting 'Reset phone' and then 'Erase everything'. Make sure to back up your data before proceeding.
To extend battery life, reduce screen brightness, limit background app activity, disable location services when not needed, and use battery saver mode.
Check the charging cable and adapter for damage, try a different power source, clean the charging port, and restart the phone. If the issue persists, contact support.
To update the software, go to Settings > General > About phone > Software Update. Tap 'Check for updates' and follow the instructions if an update is available.
Free up space by clearing cache, uninstalling unused apps, moving files to an SD card, and deleting unnecessary files and media.
The phone may slow down due to full storage or too many background apps. Free up storage, close unused apps, and restart the phone to improve performance.
To take a screenshot, press and hold the Power and Volume Down buttons simultaneously until the screen flashes.
Ensure Wi-Fi is enabled, restart your router, forget and reconnect to the network, and restart your phone. If the issue persists, check with your network provider.
Connect the phone to the computer using a USB cable, select 'File Transfer' on the phone, and access the phone's storage on the computer to transfer files.
Go to Settings > About phone > Software info, then tap 'Build number' seven times. Developer options will appear in the main settings menu.