http://file.choyongradio.com/LC90MEN_4.5_upgrade_package.zip

ADDRESS1 : http://file.choyongradio.com/LC90_4.5_upgrade_package.zip
ADDRESS2 : http://sz-chaoyuan.com/public/software/LC90_4.5_upgrade_package.zip

https://youtu.be/bRssbhKGRro

picture

https://youtu.be/TMwNuXgVu20

LC90_User_Manual.docx

https://www.youtube.com/watch?v=RzjZe5cF1Gg&t=1s

https://www.youtube.com/watch?v=1BqmBt0HPQE

https://www.youtube.com/watch?v=c65nRdoUYHY

https://www.youtube.com/watch?v=T9PhSNcIxC8

https://www.youtube.com/shorts/8tb8xfam7eo

https://youtu.be/-f5l8MiUeEo