Download the update from the official page of Kenwood
Unzip it at some quality 4GB USB 2.0 stick (Kingston/Transcend), FAT32 formatted, put it at turned off HU. Turn it on, it should finish in 10 minutes
Download the update from the official page of Kenwood
Unzip it at some quality 4GB USB 2.0 stick (Kingston/Transcend), FAT32 formatted, put it at turned off HU. Turn it on, it should finish in 10 minutes
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