D5

CPU: Rockchip RK3229 Quad-core Cortex A7 1.5GHz 32bit
GPU: Penta-Core HD Graphics
2GB DDR RAM
8GB eMMC ROM
USB 2.0 * 2
USB disk and USB HDD supported
Card reader: SD/SDHC/MMC cards
Support the latest HEVC (H.265) decoding
Support the latest VP9 decoding
Support 4K*2K Super HD video
OS: Android 5.1, main stream OS
Wifi: IEEE 802.11b/g/n, 2.4G
BT: V4.0
Wired/wireless mouse/ keyboard supported
Kodi: 16.1 version

Download firmware of DOLAMEE D5 RK3229 2GB+8GB version,
Click here.

PS: how to use the firmware, you may need this update tool.