1. SteveDrumble's Avatar
    Sometimes when use my phone my touchscreen goes crazy and act like it is touch a lot of time at a moment while there should be only one - my - touch gesture. It happens sometimes and I have no idea why it happens.

    P.s. my phone is Xiaomi Redmi 4X 3GB/32GB
    09-14-2017 03:08 AM
  2. SexyLi's Avatar
    1. remove the battery for your phone.
    2. use a hot hair dryer to blow the screen (The temperature should not be too high,and the screen is heated evenly.It is ok when the screen become warm)
    3.you will find the screen becomes sensitive。
    Just have a try.
    belodion likes this.
    09-14-2017 04:33 AM
  3. belodion's Avatar
    Two threads, the other locked to prevent parallel discussions:

    09-14-2017 06:26 AM
  4. Mooncatt's Avatar
    I'll copy my reply to the other thread and post here to keep things consistent.

    The touch screen responds to the electrical impulses in your fingers, much like a touch lamp. When this detection is impaired, that's when you start getting phantom touches.

    The causes of this can be many, but one of the more common ones in my experience is a USB cable that's just starting to go bad, where the insulation is broken and allows electrical noise into the phone that confuses the digitizer (and is often accompanied by slow charging). Replacing the cable would fix this.

    The digitizer itself (the part of the screen that senses the electrical impulse of your fingers) could also be going bad and not detecting things right. It could also be other parts of the hardware that became loose and causing electrical noise similar to a bad USB cable.

    If replacing the USB cable doesn't fix it, or it still acts up when unplugged, then I personally wouldn't even try to diagnose it further. I'd either send it to a repair shop or just try to deal with it.
    belodion likes this.
    09-14-2017 07:46 AM
  5. SteveDrumble's Avatar
    Hi, thanks! I have also noticed that when I sit on chairs with iron legs my device goes crazy - not always but sometimes. And when stand up from it my phone is okay. I have noticed this pattern but I'm not quite sure about it.
    09-14-2017 01:53 PM

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