1. Android Central Question's Avatar
    I have an S9+ and P20 mate and I think since pie update something has gone wrong that makes the 2 phones charge the USB connector after counting to the phones, even without a flash drive or other device attached. On the Samsung I tried to switch but it won't let me same on the hauwei. I take out the connector and I'm able to switch settings to file transfer and it refers back to charging the connector once it's attached to the phone.
    08-21-2019 04:51 AM
  2. mustang7757's Avatar
    Hi, welcome to Android Forums

    I'd like to recommend creating a account so me or other members can assist you, as guest have limitations in replying here and if we need further Information to communicate with you.

    I'll provide a link to register, please come back to your post so we can further assist you . Thank you

    08-21-2019 08:26 AM
  3. mustang7757's Avatar
    Not understanding what you mean.
    08-21-2019 08:27 AM
  4. belodion's Avatar
    After connecting to a PC?
    08-21-2019 09:22 AM
  5. B. Diddy's Avatar
    Welcome to Android Central! I believe the OP is referring to reverse charging/Powershare. Does this help for the Samsung? https://www.androidauthority.com/how...arging-967197/
    08-21-2019 09:55 AM
  6. Rukbat's Avatar
    If you connect to something that has no data wires, only power wires, and no power, you may not be able to do anything but charge it - so the phone won't let you.

    But if you connect a flash drive that's formatted as FAT32, exFAT or ext3 or 4, the phone should allow you to switch to MTP - unless the USB connector connection is broken inside the phone.
    08-21-2019 02:19 PM

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