• firmware update and contact cleaning spray?

    Have you done these things already? When I had gunk in my shifter it made shifting intermittent, didn't do anything with battery. I presume you've tried a different cable to the problem shifter?

  • Havent just yet, I'll get the spray today. I tried different cables and all that...

    Another thing I read elsewhere (but didnt resolve my issue) is that if you dont disconnect from the phone app, the bluetooth module will continue to drain the battery.

  • I've never used Di2 Bluetooth. BT is a battery drain in any device. What is it providing that warrants it being enabled?

    I want Di2 to change gears. That's it.

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