Yuanfeng e road flight v700pro flashing package
Download, unzip, put it on the SD card, poke the reset hole at the back of the navigation with a needle, then the upgrade will be installed automatically
Link: https://pan.baidu.com/s/1S9XI3UpYClUDXCQk58ycrA
Extraction code: rzpr
If the connection fails, the group file will be picked up by yourself (289186279)