tag:blogger.com,1999:blog-1829441521004562108.post3511846208025101583..comments2024-02-21T12:44:42.766-08:00Comments on AppRadioWorld - Apple CarPlay, Android Auto, Car Technology News: Firmware Update Available For Pioneer AppRadio 4 And NEX Head UnitsUnknownnoreply@blogger.comBlogger3125tag:blogger.com,1999:blog-1829441521004562108.post-867225566320992712015-12-22T09:40:38.025-08:002015-12-22T09:40:38.025-08:00I hear this sometimes with my AppRadio 4 regardles...I hear this sometimes with my AppRadio 4 regardless of the firmware update, so it probably has nothing to do with the FW update. It's noticeable at random. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-1829441521004562108.post-90781222746811504122015-12-22T06:53:08.544-08:002015-12-22T06:53:08.544-08:00mines done this since it was installed. (UK theref...mines done this since it was installed. (UK therefore i haven't applied this firmware)Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-1829441521004562108.post-80553146112666465092015-12-21T19:11:18.159-08:002015-12-21T19:11:18.159-08:00I just updated my Appradio4 and now it makes a fai...I just updated my Appradio4 and now it makes a faint high-pitched buzzing sound whenever the headunit is on. The sound comes from the headunit, not the car speakers. Did you encounter this issue?Anonymoushttps://www.blogger.com/profile/02546386108110010460noreply@blogger.com