For more information on using the Orange Pi 4B, please see the [httphttps://localhost:8080drive.google.com/index.phpopen?titleid=%E6%96%87%E4%BB%B6:Orange_Pi_4.docx 1QMU5n-7fCx28cQPH_lu2L0wrFWeC3G45 <span style="color:red;">Orange Pi 4B User Manual</span>]. (Click to download)