Model Code : 55TB


Secondly, please check your current system version.


System version of your car audio Download page's Link
55TB.07.50 No update required as it is the latest version.
55TB.07.00 Go to the download page
55TB.05.50 Go to the download page
55TB.05.00 Go to the download page
55TB.04.41 Go to the download page


How to check current system version


USER Manual image 3
System Version : aaaa.bb.cc
Note: Above shown image is for reference purpose only.