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Android User Guide

This page summarizes common functions after Android boots.

Terminal​

Use the debug UART or adb shell:

adb shell

MP3 and Video Playback​

Place media files on TF card, USB disk, or internal storage, then play them with the system player or a third-party player. Use hardware decoding when the format is supported by RK3399.

Wi-Fi​

Open Android Settings, enable Wi-Fi, select an access point, and enter the password. The board includes a dual-band Wi-Fi/Bluetooth module.

Bluetooth File Transfer​

Enable Bluetooth, scan for the target device, pair the devices, and use the Android share menu to send files.

Bluetooth Audio​

Pair a Bluetooth speaker in the Bluetooth settings. After pairing, system audio can be routed to the Bluetooth speaker.

USB Mouse and Keyboard​

Connect a mouse, keyboard, or wireless receiver to the USB HOST interface.

TF Card and USB Disk​

The Android system automatically mounts external storage. The actual mount path depends on the firmware version. Use a file manager or the mount command to check it.

Camera​

Connect the camera module and confirm that power, reset, clock, I2C, MIPI/CSI, and driver configuration match the module.

Ethernet​

Connect the Ethernet cable and check the network state from Settings or with commands:

ifconfig
ping 8.8.8.8

HDMI Display​

Connect an HDMI monitor or TV to verify external display and video playback.

Power, Suspend, and Wake-up​

Power key, reset, suspend, and wake-up require cooperation between hardware, PMU, device tree, and system services.