https://mega.nz/#!PfQDRY7a!tWEgVQ2rGHtQ ... Doo-QDHAm0
Download to the USB root directory, plug in the USB port, point settings - car settings - upgrade or restore factory settings.
If your radio do not have other issue,we do not suggest upgrade any firmware or MCU.
Thanks.
Regards,
JamStatistics: Posted by Jammy — Wed Aug 14, 2019 3:20 am
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