I have a 10.Or G android Oreo device
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 - resolution: 1080x1920 
 - density: 480

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This question follows up from [here][1]

I'm having problem with lots of ghost touches in the very top 5 mm bar of the screen where touches will register almost 20 times in a minute. Doing the overscan doesnt help at all, because touches will still register, so I am looking to resize my screen with 

> adb shell wm size 1080*1820

I dont know what to do from here because I'm receiving error

> Error: bad size 1080*1820

Help will be greatly appreciated




  [1]: https://android.stackexchange.com/questions/123290/disable-touchscreen-area-root-available