[Completed] How to make my touchscreen better on Tab Pro 12.2 - XDA Assist

After bricking my tablet twice , today i was finally able to root it . Unlike other people , the reason why I rooted it was to "decrease the minimum duration of touch to almost 0 " , by that i mean , make the touchscreen as responsive as the one on a phone . I am used to tapping the the touchscreen really really fast , barely even touching it which works on my phone , but it doesnt work on my Tab Pro 12.2 inch most of the times . The default minimum duration of touch is low i guess but def not low enough . I want my taps to be registered no matter how fast I tap the screen or the intensity at which I tapped it . Yes this is my first time rooting an android device so I am not very familiar with it. I am not a tech noob though , I already learnt a lot of things about rooting .
This is the article that motivated me to root my tablet :
I need to have 10 posts to post links it seems
So I did what it was in that article , I modified my build.prop and added this code :
# Touch screen calibration and scroll responsiveness
debug.performance.tuning=1
windowsmgr.max_events_per_sec=200
view.touch_slop=2
view.scroll_friction=1.5
view.minimum_fling_velocity=25
ro.max.fling_velocity=12000
ro.min.fling_velocity=8000
ro.min_pointer_dur=8
touch.size.calibration=geometric
touch.size.scale=100
#touch.size.bias=70
touch.pressure.calibration=amplitude
touch.pressure.scale=0.3
Then I rebooted and again , no change . My screens accuracy and everything else is perfect , the only thing that is not perfect is the thing I already mentioned , so I anyone knows how to make my screen so sensitive that it reacts even if a hair touches it or even if i barely touch with my finder with the speed of light , it registers the touch . If possible of course .

Also , I currently have CM 12.1 and dont like it because it crashes . I did make a back-up of my ROM before install as well as I have a file of the stock Android system before that I used to "un-brick" my tablet . Going into download mode on my tablet and flashing that stock firmware will unroot my tablet right ? Cuz im not really sure how to install that backup I made

well i went back to 4.4.2 kitkat and re-rooted . For some reason , I dislike Android 5 and all those custom ROMS , the kitkat 4.4.2 for note pro and tab pro is just amazing , it has everything you need on it and it is really fast and battery consuming . I did upgrade to android 5 a few weeks ago ( without rooting of course ) i coudnt stand the blue , i couldnt stand how the changed the taskbar either .

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Im sorry for my poor english but i dont know what to do and IDK if there is another threed like myns if yes sorry again but i need help fast x<

lot's of issuse in my s7 edge sm-g935fd please help

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Could be some unaddressed stock firmware bug or could be not

Okay , I'll try to explain the issue the best I can .
During the first 14 months of my usage my(stock ,locked ) p2 worked just fine but when I gave it to my sister it went berserk one day , she told me that the screen flashed suddenly and the touch stated feeling wonky , especially the bottom part of screen .
So I decided to investigate and found that I'm not alone . I read that it might be due to some faulty firmware update pushed by lenovo while transitioning from 6.0 to 7.0 ( unverified info ) .
So I decided to install the custom ROM LOS 15.1 hoping to solve the issue . The issue : bottom two set of rows of screen not responding to touch , well to my surprise the touch worked well in twrp mode but issue persisted in the in is usage . I had to use the adb command 'overscan' to get the navigation bar to work since it recides over the buggy area of the screen , thus resizing the screen resulting it to look a bit ugly . So after 9 months I've decided to experiment again to find out what's the deal the touch , I went back to stock 6.0 ROM to see what's up , I wasn't disappointed I found that disabling the navigation bar in 6.0 allowed the touch to work in that region . So this lowers the possibility of hardware related issue although now entirely rule out . I need your thoughts on it

Do you have touch problems?

Recently I bought the motorola one vision that by the way I left it today in the warranty and on Saturday they will give me a new one, I changed it because I was having problems with the tactile sensitivity.
I come from a xiaomi mi a2 and I am used to writing very fast, in the motorola one vision when writing fast or normal sometimes certain letters when touching them did nothing like they do not recognize the touch.
This happens to me with a tempered glass screen protector or without it and when charging this is worse, and also if for example I put the phone on a surface the sensitivity drops to the maximum.
If you google it you will see a lot of reports of this issue in lenovo forums
do you have this touch issue too?
Yes, I have problems with the touchscreen sensitivity, because of this I removed the protective screen of the display which did not stick well because of the curvature of the screen. Now I use the phone without a foil screen protector and the touch is better . I read in this forum there are more people complained this matter . Also I can tell this is not Gorilla glas this is some glass equivalent to Gorilla glass 3 .
90% have this problem , is hardware issue . A10 solved it a little but still have it
I have this problem and it drives me crazy. I am still stuck on A9 so hoping A10 does indeed improve it a little. The worst is when the phone is sitting flat on my desk - it is almost impossible to use.
No touch issues here. XT1970-3 with tempered glass. Don't know about in games as I don't play.
I also had problems using the device with film, I researched a lot on the Internet about it and it seems to be a problem with the device. But with two simple configurations I managed to get around the problem and the device is very usable at the moment. 1 - Go to settings - System - Languages ​​and input - click advanced - find the option Pointer speed - Slide the bar all the way to the right and click Ok. Restart the device. 2 - Open again Settings - Sound - Scroll the screen down - Click on advanced - Find the option "Vibrate when touching the screen" and disable it.
I hope I helped, with these two settings I managed to get around the problem on my device. It still has some gagging but the touch response is much better.
Sorry my bad english.
yippee ki yay said:
I also had problems using the device with film, I researched a lot on the Internet about it and it seems to be a problem with the device. But with two simple configurations I managed to get around the problem and the device is very usable at the moment. 1 - Go to settings - System - Languages ​​and input - click advanced - find the option Pointer speed - Slide the bar all the way to the right and click Ok. Restart the device. 2 - Open again Settings - Sound - Scroll the screen down - Click on advanced - Find the option "Vibrate when touching the screen" and disable it.
I hope I helped, with these two settings I managed to get around the problem on my device. It still has some gagging but the touch response is much better.
Sorry my bad english.
Click to expand...
Click to collapse
This is not a quite well solution because increasing sensitivity of touches from settings will cause false-positive clicks, touches , whatever which are undesirable in a daily use of phone .
muppetz said:
This is not a quite well solution because increasing sensitivity of touches from settings will cause false-positive clicks, touches , whatever which are undesirable in a daily use of phone .
Click to expand...
Click to collapse
I made this configuration on my device and had no problem with false positives. And with the update to Android 10 the touch has improved more. I noticed that by activating the "vibrate when touching the screen" setting again, the device again fails to touch when typing.
yippee ki yay said:
I made this configuration on my device and had no problem with false positives. And with the update to Android 10 the touch has improved more. I noticed that by activating the "vibrate when touching the screen" setting again, the device again fails to touch when typing.
Click to expand...
Click to collapse
I'm sure you're right about this but I'm sure you have a screen protector . I don't . So in my case your solution isn't quite well .
Help us to find a solution
Hello, I have the same problem but I found something that help...
My problem increase when is on a surface, but if you plug only the cable type C the problem is fix...
If you do it, just plug the cable to the phone and the other part leave it alone
I think the port or something internal there isn't connected to ground... Maybe someone with better knowledge in electronics can help.
Test it and tell me if works you
Bought one for my wife and updated to Android 10. I can confirm the issue still exists touch sensitivity is not very accurate . It's ok could be better but not a deal breaker. Motorola should do something z then again all hardware is made by samsung..... This model it's not produced anymore , I wonder why....

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