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