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Get the latest upgrade firmware for "LC90M"（LC90Mini） along with the upgrading method

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

Get the latest upgrade firmware for LC90 along with the upgrading method

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

The differences between the LC90 radio's Chinese version and English version

https://youtu.be/bRssbhKGRro

The differences between LC90 and LC90 Mini

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How to perform an OTA (Over-The-Air) upgrade for LC90

https://youtu.be/TMwNuXgVu20

LC90 user manual

LC90_User_Manual.docx

How to connect the radio to WiFi?

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

How to insert a SIM card into the radio?

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

What to do if the radio crashes?

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

What to do if the radio screen goes black?

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

How to find the IMEI code of the radio?

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

How to Add Stations to Radio

https://youtu.be/-f5l8MiUeEo