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  1. #1
    Active Member One Ring B9RS4.SedanNow's Avatar
    Join Date
    May 11 2018
    AZ Member #
    San Diego, CA

    CarPlay iPhone XR / XS

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    Anyone have problems with iPhone XR or XS repeatedly disconnecting from CarPlay in the B9 S4 when the battery drops below 100%?

    It seems that the early B9s canít put out enough juice to stay connected to the new iPhones. The new B9 RS cars donít seem to have this issue.

    I had to buy this adapter to fix the issue if anyone else has this problem:

    The adapter pulls the power from both USB ports and sends the power of both to the phone.

  2. #2
    Established Member Three Rings Yabi's Avatar
    Join Date
    Mar 30 2018
    AZ Member #
    My Garage
    2011 Toyota Prius 5
    Cary, NC

    Appears to be a known issue, one that Apple is even aware of. Apparently the work around that seems to be successful is to pick up a USB power monitor such as the Eversame USB Digital Power Meter Tester Multimeter Current and Voltage Monitor.

    Last edited by Yabi; 01-18-2019 at 07:31 AM.

  3. #3
    Active Member Two Rings
    Join Date
    Jun 01 2007
    AZ Member #
    Kansas City

    I don't have any issues with my XS, and I'm using an Amazon Basics 3' USB cord to connect it to the vehicle.

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