morphyzz Posted January 27, 2015 Report Share Posted January 27, 2015 I have a avic f320bt version 1 000000 I updated my Bluetooth firmware version to 3.3 After update all settings for phone remain inactive. Any help? How can I downgrade the firmware ? Do you know win ce software that can writing Bluetooth firmware? Quote Link to post Share on other sites
sokrat Posted November 2, 2019 Report Share Posted November 2, 2019 Hi morphyzz ! Recently updated bluetooth since you and now the bluetooth does not turn on and all buttons on the screen are inactive. Please write down if you have been able to solve this problem and if so how? Thank you. Quote Link to post Share on other sites
bouhlel Posted October 17, 2021 Report Share Posted October 17, 2021 On 11/2/2019 at 6:41 PM, sokrat said: Hi morphyzz ! Recently updated bluetooth since you and now the bluetooth does not turn on and all buttons on the screen are inactive. Please write down if you have been able to solve this problem and if so how? Thank you. Quote Link to post Share on other sites
Oliver Tangen Posted February 25, 2022 Report Share Posted February 25, 2022 Its that park mode is disabled. pull up your handbrake. if that doesnt work, you have to short some wires. Search for: parking brake bypass pioneer (or "car head unit") on youtube. This is a security feature to disable clunky menu options while driving, but allow them when the parking brake is up. Very often, the parking brake wire is not wired up at all. while shorting the parking brake wire, you can disable the whole feature so that the system never goes disables menu items again even when the parking brake is down. Quote Link to post Share on other sites
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