toyotaman Posted March 17, 2019 Report Share Posted March 17, 2019 Hi, Does anyone know how to upgrade the software on AVH-W4400 to the w4500? The 4500 Comes with with the backup camera parking lines that are missing on 4400. Thx Quote Link to post Share on other sites
bonee Posted March 17, 2019 Report Share Posted March 17, 2019 There is nothing yet. Radio hasn't been released. Quote Link to post Share on other sites
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