Lock touchscreen without turning screen off

by Piccolo Namek   Last Updated May 28, 2018 09:11 AM

I have a galaxy s5 that is suffering from some kind of screen flickering which occurred after I dropped my phone. When it gets hot the screen cannot turn on - I press the power button - I get a glance at the lockscreen then the screen goes off but touch sensivity remains. If I somehow get the screen on it works without a problem. I was thinking of a solution like 1. Press the power button to lock 2. the screen goes black and turns off its sensitivity (not completely off or I wont be able to unlock it) 3. I press the power button and using some unlock method (I would prefer fingerprint but simple swipe is fine) it turns on

Thanks in advance

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