Brand: ASUS
Category: Smartphone
Document Type: Manual
Language: EN
Manual for ZE520KL
Uploaded: April 20, 2026, 8:05 p.m.
Manual Publish Date: 2016-08-01
Warranty Information
Refer to the user manual or ASUS Support Site for detailed warranty information.
Getting Started
- Powering On/Off: Press and hold the power button to turn the device on or off.
- Initial Setup: Follow the on-screen Setup Wizard to configure language, input methods, network, accounts, and location services.
- SIM Card Installation: Turn off the device, use a pin to eject the tray, insert Micro SIM/Nano SIM or MicroSD card, then close the tray.
- Charging: Use the bundled AC power adapter and USB Type-C cable. Charge fully before first use.
Basic Operations
- Touchscreen: Tap to launch apps/select items, tap and hold to move/delete, swipe to navigate screens, pinch to zoom.
- Home Screen: Access notifications, quick settings, apps, and search. Swipe left/right for extended screens.
- Notification Icons: Understand icons for mobile network, Wi-Fi, battery, messages, etc.
Key Features
- Camera: Capture moments with PixelMaster technology.
- ZenUI Apps: Utilize apps like Camera, Do It Later, ZenFone Care, and Share Link.
- Connectivity: Manage Wi-Fi, Bluetooth, and mobile networks.
- Customization: Adjust screen display, wallpapers, and ringtones.
Troubleshooting and error codes
| Problem | Possible Cause | Solution |
| Device does not power on | Battery is depleted | Charge the device fully. |
| Screen is unresponsive | Device is frozen | Restart the device by pressing and holding the power button. |
| Cannot connect to Wi-Fi | Wi-Fi is turned off | Enable Wi-Fi in settings. |
| Incorrect Wi-Fi password | Re-enter the Wi-Fi password. | |
| Cannot make or receive calls | Airplane mode is on | Turn off Airplane mode. |
| No mobile network signal | Move to an area with better signal or check SIM card. |