ASUS ZenFone 4 Pro (ZS551KL SE) User Manual
![ASUS ZenFone 4 Pro (ZS551KL SE) Phone manual cover](/images/bfGRuBLFkyyIPsqqILCDMyiy/thumbs/thumb175x175.webp)
To extend the battery life, reduce screen brightness, disable background apps, use battery saver mode, and turn off unnecessary connectivity features like Bluetooth and GPS when not in use.
Ensure the charger and cable are functioning correctly, clean the charging port, restart the phone, and try using a different power outlet. If the issue persists, consider checking for software updates or contacting support.
To perform a factory reset, go to Settings > System > Reset options > Erase all data (factory reset). Confirm the action, and the phone will reset to factory settings.
Clear app caches, uninstall unused apps, update the software, and restart the phone. If the problem persists, consider performing a factory reset.
Use the ASUS Data Transfer tool or a third-party app like Google Drive to back up and transfer data. Ensure both phones are connected to Wi-Fi for seamless transfer.
Go to Settings > About phone > Software information, and tap 'Build number' seven times until you see a message that developer options are enabled.
Remove any case, close unused apps, reduce screen brightness, and avoid using the phone while charging. If the problem continues, restart the phone and check for updates.
To take a screenshot, press and hold the Power and Volume Down buttons simultaneously until you see a capture animation on the screen.
Go to Settings > System > System updates. If an update is available, follow the prompts to download and install it. Ensure your phone is connected to Wi-Fi and has sufficient battery charge.
Restart the phone, ensure the screen is clean, and remove any protective covers. If the issue persists, perform a factory reset or contact ASUS support for further assistance.