Hdking Guru Portable [ 360p — 4K ]

Here is the breakdown of what works flawlessly:

Use a standard micro-USB cable (5V/1A). Do not use a fast charger—it may overheat the charging circuit. hdking guru portable

Hold the power button for 3 seconds. The HDKing logo will appear. Hit the "Mode" button to switch output to the TV. Here is the breakdown of what works flawlessly: