ASUS ZenFone 4 (ZE554KL) User Manual
![ASUS ZenFone 4 (ZE554KL) Phone manual cover](/images/ZSsHOPJGJtjVYBXFblsLTkNt/thumbs/thumb175x175.webp)
To take a screenshot on your ASUS ZenFone 4, press and hold the Power button and the Volume Down button simultaneously for about two seconds until you hear a shutter sound or see a visual indication on the screen.
Several factors can cause rapid battery drain on your ASUS ZenFone 4, including high screen brightness, background apps, and outdated software. To troubleshoot, reduce screen brightness, close unused apps, and ensure your device is updated to the latest software version.
To reset your ASUS ZenFone 4 to factory settings, go to 'Settings' > 'System' > 'Reset options' > 'Erase all data (factory reset)', and then confirm your choice. Ensure you back up important data before performing a reset.
If your ASUS ZenFone 4 won't charge, try using a different charger and cable, clean the charging port, and ensure the outlet is working. If the problem persists, consider performing a soft reset or contacting ASUS support.
To improve the performance of your ASUS ZenFone 4, clear cache data, uninstall unused apps, keep the software updated, and restart the device regularly. You can also enable the 'Power Saver' mode to optimize performance.
Use the ASUS Data Transfer app to transfer data from your old phone to the ASUS ZenFone 4. Install the app on both devices, follow the on-screen instructions, and choose the data you want to transfer.
Overheating can occur due to extensive usage, running intensive apps, or a high ambient temperature. To prevent overheating, avoid using the phone while charging, close unused apps, and keep the device in a cool environment.
You can expand the storage on your ASUS ZenFone 4 by inserting a microSD card into the dedicated slot. The phone supports microSD cards up to 2TB, allowing for significant storage expansion.
If the screen is unresponsive, perform a soft reset by pressing and holding the Power button until the device restarts. If the issue persists, check for screen damage and consider a factory reset or professional repair.
To enable developer options, go to 'Settings' > 'About phone' and tap 'Build number' seven times. You will see a notification that developer options are enabled. Access it under 'System' in the main settings menu.