The issue is not extreme as shown in the video, it just the touch becomes slow to respond and hard to type fast with the keyboard. Turning off the screen and turning back on solves it temporarily sometimes. I tried disabling on screen fingerprint and the problem seems to be reduced now. Definitely a software bug 1.5 Problem - Apps Crash Suddenly on the Poco X4 Pro 5G. 1.6 Issue: Touch screen issues on Poco X4 Pro 5G. 1.7 Problem - Fingerprint sensor not working Poco X4 Pro 5G. 1.8 Issue - Unable To Send Text Messages on Poco X4 Pro 5G. 1.9 Problem - Unable to make and receive phone calls on Poco X4 Pro 5G. Change the Charger. If the ghost touch issue only hits your Xiaomi Redmi K40 Pro+ when you plug it to charge, it is most probably caused due to the charger. Test if the issue persists with a different charger. Before you buy a new charger, I suggest you borrow one from your family members or friends and verify if your charger is indeed faulty. The majority of the time, the cause is a hardware problem rather than a software problem. The ghost touch problem can occur if the device becomes too hot or if it is exposed to high ambient temperatures. A poorly designed phone cover may cause ghost-touch on your device. If there is damage to your display, such as a fall or water damage, ghost .

xiaomi ghost touch problem