Firmware Update Guide for TV-Box with Realtek SoC RTD1295
Programmer (firmware Download /firmware Upgrade Tool) With Usb Port For Lcd Drvier Rtd2660 Rtd2662 Rtd2668 Mstar 703 705 Ask - Replacement Parts - AliExpress
Using the ZDownloader Utility from the Zebra's Website
Use the Multi-Flash Tool to update multiple device firmware via USB - Suntech USA :: Documents and Knowledgebase
How to Upgrade the Firmware on a Universal PCB : 4 Steps - Instructables