Touchscreen Sensitivity - Galaxy Note GT-N7000 General

Hi guys, just bought a Galaxy Note - love the device except has anyone else noticed the touchscreen sensitivity is pretty bad?
I come from mostly HTC devices - the most recent being the Sensation and I could type much faster because the sensitivity of the screen seemed to register touches better.
I have downloaded SGS Touch which when the settings are adjusted are much better but, the settings always revert and I prefer a better or more permanent solution. Is it just my unit? Haven't flashed any custom rom yet so I can still return for warranty.
Would love to know everyone's thoughts and if it is a widespread problem, what did you guys do to fix it?

Are you referring to something like this?
http://forum.xda-developers.com/showthread.php?t=1330163
Please update if that fixed your problem.

Hi,
Thanks for the response. It is not related to the movement issue but more toward typing... if I type the same as I used to with HTC sensation, I find that I will miss characters out. I have to be more deliberate in the touching of the screen and that makes my typing about 30-40% slower than before.
It can be resolved with the sensitivity program but I find that it keeps reverting. I was wondeing if there was a more permanent solution..
Thanks

Same Problem Here
I'm having the same touch screen sensitivity issue. The touch screen on my new SGNote is much less sensitive than that of my Motorola Atrix 4G. I'm finding that I have to press MUCH harder in order to register making typing slower and typo's common and causing usability problems with some apps. Any help in a permanent fix would be greatly appreciated. I'll continue to research this issue and post any of my own findings.

Related

FROYO on Blackstone - Touch Screen Calibration

Right, since this is such a significant impairment (and some users don't seem to experience it), I decided to create a separate thread for it:
If anyone finds out how to properly CALIBRATE the touchscreen on Froyo on Blackstone, please post it here.
So far, the "msmts_calib=0x395.0x3c9.0x79.0x77" results in random keys etc being pressed on the left hand side of the screen.
Thanks
z.
zero0007 said:
Right, since this is such a significant impairment (and some users don't seem to experience it), I decided to create a separate thread for it:
If anyone finds out how to properly CALIBRATE the touchscreen on Froyo on Blackstone, please post it here.
So far, the "msmts_calib=0x395.0x3c9.0x79.0x77" results in random keys etc being pressed on the left hand side of the screen.
Thanks
z.
Click to expand...
Click to collapse
well, there is a bigger problem as the calibration part ...
in froyo it seems to be, that the calibration willb e done automatical and it is not necc. to do anything extra...
but the module/driver for touchscreen is buggy ...
better for testing is the app dotty (can be downloaded from market).
there you'll see, that if you press via finger middle botton, that it jumps on screen touch to left botton - only sometimes ......and with this bug it is almost not possible to use the phone via fingers ...
my boot paramter for calibration is: msmts_calib=0x395.0x3c9.0x79.0x77
but as told above ... the problem is the touchscreen doesn't work correct if using finger ...
if you use the stylus, then it is working, so i think it is a bug, that if the touchscreen driver is getting multiple zones on touching the display, then something strange happen, and then it add an extra point on the left side, which makes using keyboard (SIP) almost impossible.
the only questions would be: does this bug also happenon 2.1 ?
because it it is there working, then we can try to implement the driver from 2.1.
cu camel
Slow down...
Slow down guys...
For 99% of users the calibration works fine, you're in the minority experience tolerance issues.
Touchscreens drift over time, and with heat fluctuations (quite dramatic ones only) etc.
You guys are just unlucky and have devices that have clearly drifted by some amount....
Now, there ARE instructions floating around about how to fix calibration issues, but they aren't on the Blackstone thread, they are elsewhere and I can't recall quite where, but they DO exist.
When it comes to used a finger instead of a stylus, here you just have to live with the differences between a resistive and capacitive touchscreen. Resistive is the one used on Blackstone and most other touchscreens older than 18 months old, whilst never devices tend to have capacitive screens.
What's the difference?
Resistive need physical pressure against the screen, but can be highly accurate in ONE position. You can use these screens with or without a stylus, so can be good for handwriting recognition etc.
Capacitive need NO physical pressure against the screen, but are less accurate.
However they can detect multiple presses at the same time in different parts of the screen.
You can't easy use these screens with a normal stylus and so they aren't ideal for handwriting recognition or fine detail work.
When it comes to using your finger on resistive screen, a lot of accuracy is lost... you're just pressing a large area of the screen and the screen can only deduce ONE point under your finger. This can lead to inaccuracy and wrong buttons being pressed with a UI that has tiny icons and controls.
If your touch calibration is ALSO out, then things get worse still.
Now, before any techies get too techy, there ARE some 'smart' techniques for trying to have multi-touch on resistive displays, but we will no go into that here, and they are generally 'hacks' that don't work in all scenarios.
You guys just need to get your displays recalibrated... that should cure 95% of all your problems, and the remaining 5% are just the stuff we all face... like no multitouch, pinch to zoom etc
It's definitely wrong to give the impressions that XDAndroid releases simply don't work correctly with touch screen. That's very misleading indeed.
i too have issues with touch screen accuracy (both 2.1a and 2.2 v1.0)
80% of the presses are fine, but the other 20% xdandroid would place my finger about 1" to the right, slightly down of when i first contact the screen, and then work out where i've actually pressed a fraction of second later, translating it into a swipe etc.
the touchscreen tool in the debug area proves this fact.
WM is perfect.
weirdly, it seems not to occur at all/noticably less using the stylus. maybe something todo with pressure/contact area?
i do think the OP has a valid issue tbh.
TheBrilliantMistake said:
Slow down guys...
For 99% of users the calibration works fine, you're in the minority experience tolerance issues.
Touchscreens drift over time, and with heat fluctuations (quite dramatic ones only) etc....
Click to expand...
Click to collapse
Thanks for the info.
First, I didn't mean to mislead anyone. I just noticed increased inquiries about this issue and I wasn't aware of the 99% of users having it perfectly working...is this a fact btw?
Besides, I am aware of the different types of displays but obviously, pinch zoom etc are not exactly the main concern, we are just looking to use the phone with our fingers mate!
I agree - I have been using the phone for many months running WM and I had no issue, whatsoever. I am not much of a techie but you are still referring to the software calibration, correct?
Thanks for sharing some valuable info again. I would love to see those instruction on how to do this calibration as without it and along with much of resentment to use stylus, it pretty much makes the phone running Froyo useless )
zero0007 said:
Thanks for the info.
First, I didn't mean to mislead anyone. I just noticed increased inquiries about this issue and I wasn't aware of the 99% of users having it perfectly working...is this a fact btw?
Besides, I am aware of the different types of displays but obviously, pinch zoom etc are not exactly the main concern, we are just looking to use the phone with our fingers mate!
I agree - I have been using the phone for many months running WM and I had no issue, whatsoever. I am not much of a techie but you are still referring to the software calibration, correct?
Thanks for sharing some valuable info again. I would love to see those instruction on how to do this calibration as without it and along with much of resentment to use stylus, it pretty much makes the phone running Froyo useless )
Click to expand...
Click to collapse
But windows mobile typically makes you calibrate your screen when you reflash a ROM, making the calibration specific to your device.
It's also not clear where the calibration info is stored, other than the registry it MAY be stored in E2, or some flash area somewhere. Regardless, it usually forces you to recalibrate (some custom ROMs skip this).
The XDAndroid chaps deemed to 'auto configure' Blackstone calibration for some reason, and this is the most probable reason why folks are having issues.
As for 99%, hummm well, just my releases alone have over 20,000 downloads, and my stuffs one of the lesser used!... yes, some folks have calibration issues, but the majority aren't reporting any... I've maybe seen/heard 20 folks with the issue... that's not too many all in all across all the various releases. AND, some of those guys were also the types of guys saying "this sucks, the battery lasts 2 hours".... as if we didn't all know that ;-)
There was a calibration tool floating around somewhere, plus, those values CAN be edited to suit your device, so there is some home!
Wow, I thought I was one of the only people that had the calibration issue. X_X It's what caused me not to use XDAndroid as much. =(
Anyone have any idea what the calibration tool was? I tried searching calibrate and calibration but no tool was mentioned in the Blackstone droid threads.
PS. I have no idea on how to change the calibration values... =/ When I open up the ts_calibration it shows up as blank. When I open up the startup.txt ("msmts_calib=0x395.0x3c9.0x79.0x77") I do not know exactly what the values affect.
Update:
I tried using the stylus but it currently has the same problem as if I was just using my finger... Does that mean that my touch screen is going out on me? =(
I have a problem too with touch screen calibration.....I guess i'm 1% of users...
im curious as to how maany others have this issue - seems theres a few coming out of the woodwork now
im sure the XDAndroid FAQ or the release thread says the devs are aware of almost all issues so dont bother reporting them (or something to that effect), yet i havent seen anyone mention touchscreen issues upto this thread.
does anyone see a need for a bugtracker for the XDAndroid, or are the forums sufficient? to me, forums seem a bit 'unofficial' with reguard to bugs - maybe an official bug tracker (specific to the android project) would help everyone to see what people are experiencing and numbers involved.
i must say i am only a user, so i dont see or get involved in the development side so maybe this thing already exists in closed circles.
to put it another way, each phone has their own android subforum so it must take the devs alot of time to collate info. bug tracker could be a better way to manage this?
I have the same problem, since 1.6... i touch the screen and is like i touched 1cm outside the screen on the left for 0.001 seconds, so is extremly difficult to type without stylus.
with the stylus is much better but still not good
Ps. i remember the first version of android working on blackstone (1.5 i think) was working good, and the touch screen was fine
veehexx said:
im curious as to how maany others have this issue - seems theres a few coming out of the woodwork now
im sure the XDAndroid FAQ or the release thread says the devs are aware of almost all issues so dont bother reporting them (or something to that effect), yet i havent seen anyone mention touchscreen issues upto this thread.
does anyone see a need for a bugtracker for the XDAndroid, or are the forums sufficient? to me, forums seem a bit 'unofficial' with reguard to bugs - maybe an official bug tracker (specific to the android project) would help everyone to see what people are experiencing and numbers involved.
i must say i am only a user, so i dont see or get involved in the development side so maybe this thing already exists in closed circles.
to put it another way, each phone has their own android subforum so it must take the devs alot of time to collate info. bug tracker could be a better way to manage this?
Click to expand...
Click to collapse
I was actually thinking about the same thing..unsure how to proceed though...
mitikos said:
I have the same problem, since 1.6... i touch the screen and is like i touched 1cm outside the screen on the left for 0.001 seconds, so is extremly difficult to type without stylus.
with the stylus is much better but still not good
Ps. i remember the first version of android working on blackstone (1.5 i think) was working good, and the touch screen was fine
Click to expand...
Click to collapse
I would dig up that version along with calib code in the startup txt file then!
well, i've put the idea forward in the main android subforum here.
it would certainly be useful from a user side perspective to see progress and known issues. fingers crossed
edit: and when did i move to 'Senior member'!!?
I experience similar issues with 2.2, didn't notice it to the same extent in 2.1. When I type on the on screen keyboard, pretty often i get an added button press detected off to the left (about 2 - 3 cm). The problem does occur a lot less when using the stylus instead of the finger.
This is NOT likely to be a calibration problem, as in that case all presses would be off consistently (e.g. always half a centimeter in the wrong direction or something like that).
It looks as if the Touchscreen sends some "incorrect" data that WM filters as too short of a press or whatever and that is affecting some users.
mmm, questionable.
Calibration is as far as I'm concerned done each time, individually with new system (ROM) unless using a saved one from previous attempt install (my Froyo case).
To my understanding of the matter, wrong calibration doesn't necessarily have to mean your display is "shifted" 2cm to the left or so. Simply, it just doesn't work properly i.e. you have the same problem as all other people in this thread.
Maybe reading TheBrilliantMistake's post about different types of screens earlier would help you understand...
after all, we need that calibration tutorial/tip which is allegedly somewhere around here...
StevieBallz said:
I experience similar issues with 2.2, didn't notice it to the same extent in 2.1. When I type on the on screen keyboard, pretty often i get an added button press detected off to the left (about 2 - 3 cm). The problem does occur a lot less when using the stylus instead of the finger.
This is NOT likely to be a calibration problem, as in that case all presses would be off consistently (e.g. always half a centimeter in the wrong direction or something like that).
It looks as if the Touchscreen sends some "incorrect" data that WM filters as too short of a press or whatever and that is affecting some users.
Click to expand...
Click to collapse
I have the same problem, exatly the same.
Cant we set android to ignore the first 0.1seconds of a pression on the screen?
StevieBallz said:
I experience similar issues with 2.2, didn't notice it to the same extent in 2.1. When I type on the on screen keyboard, pretty often i get an added button press detected off to the left (about 2 - 3 cm). The problem does occur a lot less when using the stylus instead of the finger.
This is NOT likely to be a calibration problem, as in that case all presses would be off consistently (e.g. always half a centimeter in the wrong direction or something like that).
It looks as if the Touchscreen sends some "incorrect" data that WM filters as too short of a press or whatever and that is affecting some users.
Click to expand...
Click to collapse
ah - finally
now you got it - this is exact the problem what i want to tell everybody ..., and i'm sure, that this happen, because the touch screen driver doesn't calculate correct the position when a bigger range (like touch from a finger) is touched. This doesn't happen, when stylus is used ...
to remove the first 0,1 sec or something ... don't think, that this would help
...on the other hand ... which module is responsible for touch screen ?
Just for a start the background of calibration (it's on security risks with touchscreen based voting machines but the principle is obviously the same) - http://vote.nist.gov/threats/papers/touchscreencalib.pdf
I believe TheBrilliantMistake in this case thought we'd sometimes hit adjacent buttons. But fact is, it always does trigger to the left and in addition to the correct press being detected, so well there's something else to this one.
Guess it will be ironed out eventually as it's a lot less common in 2.1. But it's annoying to the point of making texting a real pain in 2.2.
StevieBallz said:
Just for a start the background of calibration (it's on security risks with touchscreen based voting machines but the principle is obviously the same) - http://vote.nist.gov/threats/papers/touchscreencalib.pdf
I believe TheBrilliantMistake in this case thought we'd sometimes hit adjacent buttons. But fact is, it always does trigger to the left and in addition to the correct press being detected, so well there's something else to this one.
Guess it will be ironed out eventually as it's a lot less common in 2.1. But it's annoying to the point of making texting a real pain in 2.2.
Click to expand...
Click to collapse
does it means, that under 2.1 there is no such kind of "touchscreen bug with finger" ?, because then we can take a look to the modules - maybe we can compare the difference to 2.1 ...
I didn't experience it there but I have to admit that I didn't use 2.1 for too long. Maybe it's a speed issue with 2.1 being more optimized and polished then 2.2 which leads to it occuring on a less frequent basis.
Due to the known problems with powersafe modes not being supported yet in XDAndroid I'm currently mostly running WM6.5 but I'm looking forward to the advancements with XDAndroid, great project.
Add 2 more devices to the 1%.
I'm experience the same issue. My friend which has a newer Blackstone than me let me put my XDAndroid mSD card into his phone and there goes the same issue.
Tested with some drawing applications, here is what i experienced:
Just like others stated before most of the times when the bug occurs I get a line starting like 2 cm to the left of my finger (and a little lower) and ending under my finger. It's like I've been dragging my finger across the screen for 2 cm. Sometimes it goes as far as the left side of the screen.
Since this is inconsistent I doubt it's a calibration issue. I must assume it's the driver. But I might be wrong.
Anyway I believe a lot more people than 1% are experiencing the issue but they aren't posting about it since they believe it's a known issue.

[Q] Reduce screen sensitivity under Android

Hi all,
I was wondering if there is a way to reduce screen sensitivity under android, such as it is possible to do under Windows mobile by installing proper cab files.
Indeed I have some problems while typing under android, as the screen is super sensitive and I always make mistakes. I know I should have some touchscreen problems, but it would be great to solve this problems through a SW fix, as I did under windows mobile, without sending the device to the orrible HTC assistance.
anyone knows how to reduce screen sensitivity?
im wondering the same thing since i got this cheap charger which makes the sensitiving horrible, but back to normal when i unplug it.
android made my faulty touchscreen much more usable than stock winmo. but you are right: typing with standard keyboard is also nearly impossible for me! that's why i use swype. my touch is jittering around every few minutes. at this moments it's better for me to wait until it's over...
at least: +1 for a lower touchscreen sensitivity under android!
somerandomname said:
im wondering the same thing since i got this cheap charger which makes the sensitiving horrible, but back to normal when i unplug it.
Click to expand...
Click to collapse
I don't think I would use that charger it providing the wrong volts or amps (sorry don't remember which) but it will cook the digitizer, happened to my g1 using an old motorola charger for a couple days while camping
Sent from my HTC HD2 Android
I know exactly what you're talking about, as I suffer from it as well. HTC did release the patch for winmo which fixed the problem completely.. hope someone finds a fix soon, I have not been able to find one!
the screen problems i faced disappeared with android , i think your devices have hardware faults
bump on this!
hoss_n2 said:
©2010 Hoss_n2 Community. All rights reserved ,( Hoss_n2 and (Experience is our profession) logos are trademarks of Hoss_n2 Community ®
Click to expand...
Click to collapse
rofl
i think your devices have hardware faults
Click to expand...
Click to collapse
yeah, i know that my touchscreen is a bit faulty. at cold weather (like now) and cold hands, it is nearly unusable for writing but under winmo the jitterbug wasn't that annoying after sensitivity reduction! that's why we are looking for it on android.
HTC did release the patch for winmo which fixed the problem completely
Click to expand...
Click to collapse
what kind of patch is it? does it fix somehow the jitterbug of faulty screens, or just reduces the sensitivity like several mods on winmo does?
Anyone tried changing the sensitivity setting on the HD2?
Go to All apps/Settings/Language & Keyboard/Touch Input/Text Input/ then scroll to the bottom for Calibration Tool. There you can change the touch sensitivity.
My touchscreen is faulty too.. i hope Hastarin will make for us a special Kernel to fix this issue.. i just have to wait till that jitterbug ends, then i could type...
same in-games..
AngelDeath said:
Anyone tried changing the sensitivity setting on the HD2?
Go to All apps/Settings/Language & Keyboard/Touch Input/Text Input/ then scroll to the bottom for Calibration Tool. There you can change the touch sensitivity.
Click to expand...
Click to collapse
I can only make calibration, I can't see a way to directly reduce screen sensitivity
white-energy said:
My touchscreen is faulty too.. i hope Hastarin will make for us a special Kernel to fix this issue.. i just have to wait till that jitterbug ends, then i could type...
same in-games..
Click to expand...
Click to collapse
+1 on asking astaring for a kernel with reduced sensitivity
The probem is that if we send the telephone to HTC they will simply upgrade the ROM to the 3.14, as in the new official ROM the sensitivity has been drastically reduced and the problem doesn't appear anymore...
but under android it is still present (and the touch screen remains faulty)!!
thenomadsoul = I can only make calibration, I can't see a way to directly reduce screen sensitivity
If memory serves me right, a keyboard with words for you to type appear, from what I know cause I have done this, the harder to press the less sensitive the screen is to touch, the lighter you press the more sensitive it is to touch.
If im completely off base, then take me out to the pasture and shoot me
AngelDeath said:
thenomadsoul = I can only make calibration, I can't see a way to directly reduce screen sensitivity
If memory serves me right, a keyboard with words for you to type appear, from what I know cause I have done this, the harder to press the less sensitive the screen is to touch, the lighter you press the more sensitive it is to touch.
If im completely off base, then take me out to the pasture and shoot me
Click to expand...
Click to collapse
Thanks mate, I will try this and let you know
Keep this thread alive!!
Any update about what already discussed?
Same. Any update?
Tried Magldr 1.13 and Clockwork 1.3 updates.
Used HyperDroid and ghost touching was just as bad, though it took a while.
Tried Typhoon mod and it had same issues.
Using Stock Gingerbread and it's still giving some indications but not so bad.
It seems like the screen is just way too sensative. I'm out in the wind and the screen somehow picks up the wind hitting the screen as me touching it?
Is this a Hardware Problem?
I´m using Android in my Hd2 too, version gingerbread from nexus one by tytung...
I had problems with screen sensitivity in WinMo, and for now in Android os...
So, maybe this problem is a hardware issue? If try replace screen, this problem persists?
In HD2 plus Android, this device is great... except screen sensitivy.
Sorry about my poor english.
I'm not sure it's a sensitivity problem.
Rather I think that to use screen we have to press keys on the touch with almost strong strength.
What I think is that sometimes it seems HD2's touch doesn't clear the buffer of pressed coordinate... and it starts to press here and there randomly.
Or it seems there is some strange signal which causes this.
I think lowering touch screen sensitivity won't solve our problems.

Keyboard or screen issue

Hey all, just have a weird issue popping up in multiple types of roms. After awhile when I am typing messages my keyboard will stop responding on certain keys. I am not sure if this is a software issue (keyboard) or hardware issue (touch screen). Any insight and help would be much appreciated!
Its probably a bad ground on the screen. There is a thread about this somewhere on the glacier forum. I remember the solution had something to do with bending a grounding pin to get better contact on the battery door.
Edit: here it is
http://forum.xda-developers.com/showthread.php?t=1205155
Thank you for this. I will give it a try when I get the chance. Hopefully it works cause this can get a bit aggravating

Adjust your touchscreen sensitivity

One of my biggest complaints about the shield tablet was the sensitivity of the touch screen. It had the ability to pick up touches before my finger hit the glass. This lead to erratic navigation and painful text entry on the keyboard.
THe other day I managed to bring the sensitivity down just enough to make the tablet respond as I wanted..
Go into Settings, then the About tablet screen. Then rapidly touch the Model number option. This takes you into the Sensor calibration utility.
Running this utility will tell you not to touch the screen during the calibration process. Once the process is complete, the calibration data is saved with a reboot. For those people who have been having issues with the touchscreen no responding or issues with multitouch, then perhaps this method will help bring your touchscreen response back.
however I wanted to reduce the touchscreen sensitivity, so I tried a couple different things. During the calibration process I put my fingers on the surface of the touchscreen and allowed it to complete the process. once the tablet was rebooted I found that my touchscreen was definitely less sensitive, to to the point of having delayed touch response and double touches were not really registering too well.
I went back into the calibration utility and this time I just very lightly touched the screen with a single finger during calibration. To my surprise this seemed to do the trick. the touchscreen now responds to my in the same manner as my wife's ipad mini .. It is much easier to use overall. This could be all in my mind, and the sensitivity did not change.. However I am now enjoying the tablet alot more.
Fantastic tip.
I'd love to be able to do this, but tapping on the model number doesn't do anything on my tablet. I have the 32GB LTE tablet, but ti's still on KitKat. Are you on Lollipop?
Yes, i was on version 2.0 nvidia rom which was 5.0 lollipop.. However i have since updated to version 2.1 lollipop 5.01 and found that the touchscreen sensitivity was tweaked and nearly perfect without having to do any calibration tricks.. No more false touches...
However as a side effect, whatever they tweaked to fix the touchscreen caused the touchscreen to become unresponsive when charging the tablet with my antec 4 port usb charger. It worked without issue in version 2.0 and i downgraded to verify..
However version 2.1 touchscreen sensitvity is worth the hassle...also fixed all my lags and makes chrome usable..
chrisyng said:
Yes, i was on version 2.0 nvidia rom which was 5.0 lollipop.. However i have since updated to version 2.1 lollipop 5.01 and found that the touchscreen sensitivity was tweaked and nearly perfect without having to do any calibration tricks.. No more false touches...
However as a side effect, whatever they tweaked to fix the touchscreen caused the touchscreen to become unresponsive when charging the tablet with my antec 4 port usb charger. It worked without issue in version 2.0 and i downgraded to verify..
However version 2.1 touchscreen sensitvity is worth the hassle...also fixed all my lags and makes chrome usable..
Click to expand...
Click to collapse
That's a very odd issue but hey, at least one thing is fixed. The sensitivity fix is fantastic, no more accidentally placing units in random TH's in CoC.
Thank you for this tip! Fixed an issue I was having with the edge of the screen not registering when I tapped. :good:
Col.Kernel said:
Fantastic tip.
I'd love to be able to do this, but tapping on the model number doesn't do anything on my tablet. I have the 32GB LTE tablet, but ti's still on KitKat. Are you on Lollipop?
Click to expand...
Click to collapse
I apologize, I'm not sure how old is too old to reply to a post here, but make sure you press rapidly. It's not like tapping the build number to enter dev mode, where you can do it as slowly as you like as long as you hit the required number of clicks. You need to click 4 times within about a second to bring it up.
So that works reducing the screen sensitivity, how do I increase the screen sensitivity?
Ever since I upgraded the UI to 2.2, the tablet has been pretty unusable. I gave up and toss it away for awhile. It's just useless registering 1 tap out of 5 or more.
I figure I would give it one more try. if you guys have any tip of increasing that sensitivity. I'd rather have too much and have phantom taps than not enough.
It was also very annoying that I specifically stopped the lollipop upgrade, and it got in anyway.
how can I fix sensitivity on kit kat ?
chrisyng said:
Yes, i was on version 2.0 nvidia rom which was 5.0 lollipop.. However i have since updated to version 2.1 lollipop 5.01 and found that the touchscreen sensitivity was tweaked and nearly perfect without having to do any calibration tricks.. No more false touches...
However as a side effect, whatever they tweaked to fix the touchscreen caused the touchscreen to become unresponsive when charging the tablet with my antec 4 port usb charger. It worked without issue in version 2.0 and i downgraded to verify..
However version 2.1 touchscreen sensitvity is worth the hassle...also fixed all my lags and makes chrome usable..
Click to expand...
Click to collapse
Hi!
I have the same issue while charging. Do you know any fix for this?
Thank you!
Cheers, been looking for this.
I was able to use this method to get the sensitivity just right but it broke multi-touch.
Really nice tip! Many thanks for this!
That no response issue after a few fast tab is gone,
I can enjoy rhythm game without problem now.
Instead of finger, i put a tiny box like 10g on it while calibrating.
I'm also having the same problems with the shield k1. It's especially apparent when my fingers get a little sweaty. Screen calibration doesn't fix this issue for me. The only fix I have so far is to keep them absolutely dry. I sometimes use powder on my hands and will go to the extreme of using latex gloves just to get the touches to register correctly. If you find any other solutions, please update this post.

Lenovo A3000-H "autoresponsive" touchscreen

Hi guys,
I have an Ideapad A3000-h from a relative lying in front of me, with something is "not working" as the only description I got. I noticed that apps would automatically start up or close and when I went to the options menu it randomly selected different entries without me doing anything. I got the impression that the touchscreen was getting 'signals' without anything or anyone actually touching it - I decided to call this 'autoresponsiveness'. I confirmed this hypothesis by making the touch actions visible via the developers menu (which was a pain in the *** with the tablet constantly inputting actions on its own) and sure enough, on the right centimetre of the screen I randomly get short touch impulses. They become faster, more erratic and generally occure more often if I myself touch the right margin on the screen.
I think this is an issue of the hardware and I would recommend to have the touch screen and digitizer swapped. However I don't have any experience with Lenovo stuff and I just wanted to ask if you guys have any ideas if this could be a software (potentially malware) issue. I don't think so, as my relative has allegedly already done a hard reset and the problem still persists. I just can't be completely sure if what was done was actually a real hard reset or just something that was mistaken for it by my technologically impaired relative
If anyone needs video to understand the underlying problem - I honestly don't know if my description is any good - I will gladly provide visuals.
Thanks in advance guys
Cheers
PS: While we're at it. Does anybody know of a good instruction on how to replace souch a touch screen unit? I only found a russian video but I don't know what kind of solvents the guy used as everything is in Russian

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