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Display Double tap to wake not working

  1. EndlessFantasy
    Cupcake Oct 22, 2021

    EndlessFantasy , Oct 22, 2021 :
    Hi all,
    I just bought a 2nd hand OP5.
    I found out that my double tap to wake is not working at all although setting has been enabled.
    After searching the internet, I've decided to use *#808# and found out that my touchscreen failed, as per picture.
    I suspect that this is the reason why double tap to wake is not working.
    I've tried to flash to LOS18.1, and the problem still exists.

    Which part of the hardware is faulty? Touchscreen?
     

    Attached Files:


    #1
  2. YRJ
    The Lab - OnePlus 7T Reviewer; Community Hero 2020 Community Expert Oct 22, 2021

    YRJ , Oct 22, 2021 :
    Hi @andyjyneo ,

    Do you notice touch issues when performing normal day-to-day operations?

    This is a guess, but from the picture the screen guard looks very bulky and doesn't seem to be installed properly. Can you try checking the touch input after removing the guard?
     

    #2
    Caomhin likes this.
  3. EndlessFantasy
    Cupcake Oct 22, 2021

    EndlessFantasy , Oct 22, 2021 :
    I've tried to send back to the seller because he offers me 1 month warranty.
    He told me that all the units he's selling cannot use double tap to wake function.

    And no, I haven't notice and encounter any touch issue yet.
    Ok, I'll remove the screen protector and update.
    Thanks for the kind advice.
     

    #3
    YRJ likes this.
  4. YRJ
    The Lab - OnePlus 7T Reviewer; Community Hero 2020 Community Expert Oct 22, 2021

    YRJ , Oct 22, 2021 :
    Are you sure double tap to wake is turned on in settings?

    Please note: Double tap to lock and double tap to wake are TWO different settings independent of each other.
     

    #4
    Caomhin likes this.
  5. EndlessFantasy
    Cupcake Oct 24, 2021

    EndlessFantasy , Oct 24, 2021 :
    Ok, I've removed the screen protector and still the same thing.
    Yes, both double tap to wake and sleep are on, 100% confirmed.
    Only double tap to wake isn't working.
     

    #5