LG G Vista 2 LG-H740 H740 User Guide

To perform a factory reset, go to Settings > Backup & reset > Factory data reset > Reset phone. Confirm by selecting 'Erase everything'. This will erase all data on your phone.
First, try using a different charging cable and adapter. Check the charging port for debris and clean it if necessary. If the problem persists, try charging the phone in safe mode to rule out app interference.
Reduce screen brightness, disable background apps, use battery saver mode, and turn off connectivity features like Bluetooth and Wi-Fi when not in use to improve battery life.
Clear cache from apps, uninstall unused applications, ensure your software is updated, and restart your device regularly to improve performance.
Use LG's Mobile Switch app to transfer contacts, photos, and apps. Alternatively, use Google Drive to back up and transfer data to another Android device.
Restart the phone by holding the power button until it reboots. If the problem continues, perform a soft reset by removing the battery (if removable) and reinserting it.
Go to Settings > About phone > Software Update. Tap ‘Check for updates’ and follow the on-screen instructions to download and install the latest software.
Restart your phone and router. Forget the Wi-Fi network in your phone's settings and reconnect by entering the password again. Ensure the router's firmware is up to date.
Press and hold the Power and Volume Down buttons simultaneously until you hear a shutter sound or see a visual indication that the screenshot has been captured.
Go to Settings > Lock screen > Select screen lock. Choose from options like PIN, Pattern, or Password to set up a secure lock screen.