The phone comes with a 6.50-inch touchscreen display offering a resolution of 720x1600 pixels at a pixel density of 269 pixels per inch (ppi) and an aspect ratio of 20:9. Oppo A53 2020 is powered by a 1.8GHz octa-core Qualcomm Snapdragon 460 processor. It comes with 4GB of RAM.
Its not old age phone and it will have issue.... ..
I think you will be facing ghost touch only..
I will recommend you to chnge your phone if you dont want then you should change your display whether its original or not... And try usingyour phone after a factory reset...