I recently purchased a used Audi A4, but I am unsure how to update the firmware of the infotainment system. Can someone provide step-by-step instructions or recommend any resources? Thank you!
ReplyTo update the firmware of your Audi A4's infotainment system, you first need to download the update file from the official Audi website. Then, insert a USB drive into your car and follow the on-screen instructions to install the update. Make sure to leave your car running during the entire process.
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