Those who don't know there are some people having ghost touch issues on POCO f1 and one guy able to capture it on the video.I personally didn't had the issue but after trying I was able to recreate the issue on my device. soon after I found the cause and able to fix the issue. this may or may not work on your device but absolutely worked for me. this seems to be a software bug. and no-one
8. Make Use of a Piezoelectric Igniter. This method should be used with caution and with the assistance of an expert, as it may cause damage to your phone. As a result, you should use this option at your own risk. Use a piezoelectric igniter to flash your phone’s screen to cure ghost touch or dead zones.

Common post-update problems on an iPhone usually includes battery draining, stuck displays, and rogue apps. Rare problems on the other hand are those only a few iPhone owners have encountered. Tackled in this post is one of the rare issues faced by some owners of the new iPhones. And it’s on the so-called ghost touch bug. As the name implies

\nmi ghost touch problem
Sana makatulong lalo ngayon na mahirap ang access sa mga Service Centers and Repair Shops. Paano natin e fix ang problema na nag ta touch ng kusa ang Cellph
1 Check iPhone Touch Screen and Restart iPhone [Apple Recommended] This step involves cleaning the touch screen, removing the phone case, screen protector, etc. If your iPhone has a case, you can start by removing the case If the ghost touch problem persists, remove the screen protector. After removing it, try to check if the issue is resolved
Plug-in any other good Touch Screen and Check. This step is to verify whether the problem is in hardware or Redmi 6A touch screen is faulty. If the problem is in hardware then clean touch onboard connector and check. Gently heat surrounding components of touch screen and check. Re-solder each pin of the touch connector and check. gFbu. 298 211 27 32 178 319 131 28 442

mi ghost touch problem