Download Rockchip Create Upgrade Disk Tool v1.4，which will help you to install firmware on Rockchip device from Micro SD card.
Rockchip Create Upgrade Disk Tool v1.4 helps you to install firmware on Rockchip device from Micro SD card. You can write firmware image on Micro SD card and restore or update your Rockchip devices. Upgrade or restore any Rockchip device without computer or Flashing Tools. Before proceeding you have to make surethat you have right firmware. Wrong firmware will not boot up or may brick your device.