ASUS ZenFone 4 Selfie Lite (ZB520KL) User Manual

To take a screenshot, press and hold the power button and the volume down button simultaneously for about two seconds. The screen will flash, and the screenshot will be saved in your gallery.
First, check if the charging cable and adapter are functioning properly by testing with another compatible device. Next, inspect the charging port for any debris or damage. If the problem persists, try using a different power source or contact ASUS customer support for further assistance.
Go to Settings > System > Reset options > Erase all data (factory reset). Confirm your selection and wait for the process to complete. Ensure you've backed up your data as this will erase all personal information from the device.
Overheating can be caused by intensive apps, direct sunlight, or charging while using the phone. To fix it, close unused apps, avoid using the phone while charging, and keep it away from heat sources. If overheating continues, check for software updates or contact support.
To improve battery life, reduce screen brightness, limit background app activity, disable unnecessary notifications, and enable power-saving modes. Regularly update apps and the system to ensure efficiency improvements.
Clear the camera app cache by going to Settings > Apps & notifications > Camera > Storage > Clear cache. If the issue persists, try restarting the phone or checking for software updates.
Go to Settings > System > About phone. Tap 'Build number' seven times until you see a message indicating that developer options are enabled. Access them via Settings > System > Developer options.
Ensure the SIM card is inserted correctly and is not damaged. Restart the phone and check for any software updates. If the issue remains, try the SIM card in another device to confirm it's functioning, or contact your carrier.
Use the ASUS Data Transfer app or third-party apps like Google Drive, Bluetooth, or PC software to transfer contacts, photos, and other data. Follow the on-screen instructions for a seamless transfer.
To update the software, go to Settings > System > System updates. The phone will check for updates and prompt you to download and install them if available. Ensure your device is charged and connected to Wi-Fi during the update.