[Q] Major problems with Sensation screen - HTC Sensation

Having problems with the touch screen on my sensation and this has now happened on my secound phone! both phones were ok out of box but after a few days first noticed problems from lockscreen as phone would not always unlock when draging app icon into circle then slowly geting worse until would take several swips on screen to even unlock! then started noticing similar problems in norm opperation? sometimes works ok but some times freezes up have tried factory reset and no differance. very strange having this problem on two phones?

Does the touch screen stop working completely?
Mine did that on Monday, had to get a replacement.

it seams to stutter once awake works slightly better? but still not responsive

I've noticed that the proximity sensor and gyroscope are being used aggressively to filter accidental screen presses.
For example, if I place my sensation flat on a table, the lock screen is very hard to unlock. If i place my other hand near the proximity sensor at the same time (or tilt the phone towards me) it unlocks easily. Until I identified this functionality I was beginning to think my right index finger was unsuitable for touch screens (since when placed on a table I tend to use my right hand, but otherwise use my left to unlock).
Hopefully this will be tweaked with future updates.
Sent from my HTC Sensation Z710e using XDA App

Many thanks I hope itd that simple?

I am having the exact same problem, for example on the lock screen I would swipe up but the ring will move slightly, and one icon I.e the camera icon will move towards the ring, another grip which is buggin me is that it will miss screen taps, I.e when texting or clicking an icon one tap will go unnoticed by the device resulting in either a missed letter, or the app not opening. This also goes for the 4 command buttons at the bottom, it happens on these too. I also get the occasional lock up.
Factory reset did not work

All of you are you using Sense, and no other launcher?

i900frenchaddict said:
All of you are you using Sense, and no other launcher?
Click to expand...
Click to collapse
Had the exact same issue on my first phone but i was using adw launcher, not installed it on my second phone and had no issues at all
Sent from my HTC Sensation Z710e using XDA Premium App

I am currently using launcher pro, but even using the htc stock launcher the problem still arises. When I did a factory reset, the problem was still apparent when entering my pin number for the first time.

Kurisu87 said:
I am having the exact same problem, for example on the lock screen I would swipe up but the ring will move slightly, and one icon I.e the camera icon will move towards the ring, another grip which is buggin me is that it will miss screen taps, I.e when texting or clicking an icon one tap will go unnoticed by the device resulting in either a missed letter, or the app not opening. This also goes for the 4 command buttons at the bottom, it happens on these too. I also get the occasional lock up.
Factory reset did not work
Click to expand...
Click to collapse
As I stated before, I experience this problem but it only occurs when the phone is laid flat and my hands are well away from the proximity sensor at the top left of the screen. I can say that the part you are describing with the lock screen is 100% the same problem I come across in certain situations.
Please test to see if the problem is still present when the phone is tilted in your hand and, if you are laying the phone flat when you experience the problem, try putting your other hand near the proximity sensor when you try to unlock.
If this happens as I describe then it is most likely a software bug which only affects users who have particular phone use habits.
Saying that, as you are having quite severe symptoms, during general use, it may be that you have a faulty proximity sensor in your phone - leading to missed screen taps when the phone thinks you are not touching the phone.

Well I laid the phone flat and unlocked it no less than 20 times, each worked flawlessly no problems at all..... Seems to have me baffled

Yes I've been having the same problem. First noticed it when trying to unlock it (phone was lying down), couldn't get the circle to move. Have had one complete touch-freeze. No input possible, however volume and power button worked. Took the battery out, restarted, and it worked fine.
I notice that input can be difficult sometimes, hit and miss or just have to push harder. Strange. Seems like a software issue to me.
edit: just had the same issue - circle wouldn't move. After picking the phone up I was able to unlock it, however still not as easy as it should be, a bit jerky.

Both my evo and my g2 had a grounding issue, for example if I had the phone laying down on the couch or bed, the screen would not respond to touch but if touch the phone with a finger and try to unlock it with my other hand it would work normally. So it seems to be a common problem with some HTC devices
Sent from my LG-P999 using XDA App

aim1126 said:
Both my evo and my g2 had a grounding issue, for example if I had the phone laying down on the couch or bed, the screen would not respond to touch but if touch the phone with a finger and try to unlock it with my other hand it would work normally. So it seems to be a common problem with some HTC devices
Sent from my LG-P999 using XDA App
Click to expand...
Click to collapse
The wildfire (my friend's got one) has this problem too. You have to keep touching the metallic housing for it to detect any taps.

You are correct, aim1126. I never considered grounding to be the cause but after re-testing it clearly is.
I guess it is a side effect of having a conductive unibody. So basically there will be no software fix, we just have to keep constant contact between our hands and the unibody. I wonder whether a rubber bumper would actually make this problem worse?
Edit:
Actually, the screen seems to adapt to not being grounded properly after a couple of presses. It works fine for me by the third time I touch the screen - weird. Well at least it is only a minor annoyance!
Sent from my HTC Sensation Z710e using XDA App

aim1126 said:
Both my evo and my g2 had a grounding issue, for example if I had the phone laying down on the couch or bed, the screen would not respond to touch but if touch the phone with a finger and try to unlock it with my other hand it would work normally. So it seems to be a common problem with some HTC devices
Sent from my LG-P999 using XDA App
Click to expand...
Click to collapse
My wife uses a G2 and I wouldnt call it a grounding "issue" honestly seems like more of a feature to make sure you ment to engage the screen.. Its kinda cool IMO
As far as the screen being laggy this sucks since I wanted to upgrade from my Vibrant to the Sensation.. I also am not sure its a software issue you guys are having.. I am running Sense 3.0 with gingerbread on the G2 and it is very smooth.. The option to silence a call or tirning on speaker phone by turning the phone over is neeto torpedo..

I'm having the same issue, from lock screen I drag the circle up and it just stutters. After a few tries it usually works, once unlocked the touch screen appears to work fine. I'd expect the issue would continue after unlock if it was a hardware issue.

mr_wi said:
I'm having the same issue, from lock screen I drag the circle up and it just stutters. After a few tries it usually works, once unlocked the touch screen appears to work fine. I'd expect the issue would continue after unlock if it was a hardware issue.
Click to expand...
Click to collapse
I made a video about the issue here, where you can see that the touchscreen problems do indeed persist after unlocking. Especially when typing and scrolling.
http://www.youtube.com/watch?v=Bk1BlXZQDrU

bcpk said:
I made a video about the issue here, where you can see that the touchscreen problems do indeed persist after unlocking. Especially when typing and scrolling.
http://www.youtube.com/watch?v=Bk1BlXZQDrU
Click to expand...
Click to collapse
That's very bad. Flaky lock screen is not good, and the example of not being able to scroll through apps without it running one is a killer. There are many times when scrolling through a list of selectable items is necessary.
Are you going to exchange the phone?
Have my hopes set on the Sensation, so would really like to find out what the resolution is.

happens in the pocketnow review that brandon just put up
http://www.youtube.com/watch?v=nlSvcOkoEwk&hd=1&feature=player_detailpage#t=143s

Related

[Q] Possible hardware problem of the back button?

I just wanted to share this, since I was able to replicate this issue with three different phones, also asking if other people are having the same issue.
I am using my Samsung Nexus S for three days.
I noticed that the back button (the first capacitive button on the bottom left) appears to have an hardware problem.
Basically normally it works fine, I mean when I'm not using the phone for some hours.
Then if I start to use the phone, after a moderate use (example installing applications from the market, browsing etc) the button gets less and less sensitive.
After some minutes it gets really annoying.
To make it work it is necessary to use a really stronger pressure with the finger, and it is not even always working!
I am planning to return my device, but today talking with some people/colleagues I discovered that two of them have exactly the same problem.
I'm suspecting there is a batch of Nexus S phones with this glitch, I am curious to know how many people have the same problem.
Note:
At first I thought it was a general issue of the capacitive buttons. But I can't replicate the same problem with the other three buttons, they work very smoothly just lighltly skimming the finger over them, even after long usage.
Anyone with the same problem? What is your experience with this button after some usage?
Cheers
I want to say that I noticed something similar the other day, but it was short-lived, and I'm not 100% sure. It wasn't long enough or bad enough to make me think the phone is defective, but I'm a bit used to funky capacitive button responses from my N1 days.
I can't reproduce the issue right now, though. How much usage are you talking about needing to duplicate?
Does your phone get hot, or feel hotter than normal when this happens?
I'd see if there's some particular pattern or software that seems to trigger it if you're interested in trouble-shooting.
The problem goes away when I don't touch the phone for a while (it seems that 1 hour is enough to reset the problem).
It seems "recharging".
Then with normal usage, nothing in particular, just even browsing in the settings/maps/market/browser etc., in few minutes the problem appears. The button definitely loses his "power".
It's very annoying, and my friends confirmed the same behavior.
EDIT:
Forgot to sat that the phone is not getting hotter, everything else is really normal.
Cheers
Mine definitely can be used for much more than a few minutes without the problem you're describing appearing.
I'd take it back. Factory reset the phone to protect your private data before taking it back. After the factory reset, you might want to test the behavior again, if it went away, the phone's not defective, you just had some software glitch.
Reminder, factory reset erases everything on the phone, so if you do it as troubleshooting step, be prepared to have to set the phone up from scratch again...I'm sure you knew this, but just covering my butt in case you didn't. It's a good trouble shooting step no matter what if you don't mind the hassle of re-setting things up.
I have a similar experience with the back button. Not sure what to think yet.
Sent from my Nexus S using XDA App
I had a similar problem when I had the Vibrant. Just exchanged it and luckily I got a better one without any problems. I did find out though if you are using the screen protector that came with the phone, it can cause this type of problem.
No problem, I will try everything tomorrow. This is not my primary phone (still loving my rooted Nexus One with CyanogenMod 6.1.1 ;-) I can't renounce to the colored trackball for the different notifications), but just a "dev" phone for testing purposes.
michele72 said:
No problem, I will try everything tomorrow. This is not my primary phone (still loving my rooted Nexus One with CyanogenMod 6.1.1 ;-) I can't renounce to the colored trackball for the different notifications), but just a "dev" phone for testing purposes.
Click to expand...
Click to collapse
The app NOLED from the Market may interest you if you can't live without trackball style color notifications. Seems to work fine when I tested it.
distortedloop said:
The app NOLED from the Market may interest you if you can't live without trackball style color notifications. Seems to work fine when I tested it.
Click to expand...
Click to collapse
Thank you, giving it a try.
Anyway, today I factory-reset my telephone and the problem of the back button is still there. I am returning the device.
Back button non responsive
Hi,
I just got my new nexus S (about an hour ago) that I was really excited about and am faced with a problem with the back button too.
Its got factory settings, so it cannot be a downloaded software issue. Also, I have not yet charged the battery at all, its still running on the same battery power that it shipped with.
The other buttons at the bottom of the phone (home, menu and search) all respond fine, its only the back button that does not seem to work. After going through this thread, I tried long-pressing the button, hard-pressing it, pressing just above it, below it, etc. It just wont respond. I had removed the screen protector it shipped with, so that cannot be the issue either.
If this is a known hardware problem (i.e. others have faced it too), irrespective of whether it is acknowledged by Samsung / Google, I'll return the handset. I do not want to spend a fortune and be landed with a handset that does not work - forget working as desired, but it does not seem to be working as designed !
Thanks & Regards,
Rohan
Yep. Definitely a problem here with the back button. There's also two other threads here about it.
I'm having similar problems. I have to touch the button just right for it to work properly
Sent from my Nexus S using XDA App
I was experiencing the same thing with my Nexus S, wasn't sure if it was the case I was using! Took of case and still had problem. I eventually returned mine cause it seemed like it was getting worse! I have a new one worth no problems, definitely a hardware problem! Return it!
Sent from my Nexus S using XDA App
michele72 said:
I just wanted to share this, since I was able to replicate this issue with three different phones, also asking if other people are having the same issue.
I am using my Samsung Nexus S for three days.
I noticed that the back button (the first capacitive button on the bottom left) appears to have an hardware problem.
Basically normally it works fine, I mean when I'm not using the phone for some hours.
Then if I start to use the phone, after a moderate use (example installing applications from the market, browsing etc) the button gets less and less sensitive.
After some minutes it gets really annoying.
To make it work it is necessary to use a really stronger pressure with the finger, and it is not even always working!
I am planning to return my device, but today talking with some people/colleagues I discovered that two of them have exactly the same problem.
I'm suspecting there is a batch of Nexus S phones with this glitch, I am curious to know how many people have the same problem.
Note:
At first I thought it was a general issue of the capacitive buttons. But I can't replicate the same problem with the other three buttons, they work very smoothly just lighltly skimming the finger over them, even after long usage.
Anyone with the same problem? What is your experience with this button after some usage?
Cheers
Click to expand...
Click to collapse
those buttons work over the heat of your finger. thats why after use it doesnt get as responsive. its because the screen is also heated and the heat of the screen is effecting the buttons. thats why you need harder pressure for the phone to understand this is your finger.
same issue was with Nexus 1. less responsive buttons. thats why there is a bigger gap between the buttons and the screen for galaxy S phones. i dont know why they did such a thing again with the nexus S. its like samsung didnt learn from anything from HTCs mistake.
They work with capacitance, not heat. Hence it being called a capacitive screen with capacitive buttons.
I think this is true ...
I have an HTC Desire with AMOLED screen.
When I play a finger intensive game, like "SkyForce Reloaded", after some times, the touch is not registered.
Then I must stop for a while, or change finger
Try that, you will know what I meant.
But, I don't have issue with the back button on HTC Desire because it is a hardware button. I am just trying to explain about loosing touch registration because finger interaction on (s)amoled screen.
PS: SkyForce Reloaded is an old school shot'em up game where you control a little space ship with your finger, shooting enemies.
ll_l_x_l_ll said:
those buttons work over the heat of your finger. thats why after use it doesnt get as responsive. its because the screen is also heated and the heat of the screen is effecting the buttons. thats why you need harder pressure for the phone to understand this is your finger.
Click to expand...
Click to collapse
The Desire's digitizer is the same Clearpad 2000 which is used in the Nexus One (and quite a few others), the problem there is that it's pants.
Rusty! said:
They work with capacitance, not heat. Hence it being called a capacitive screen with capacitive buttons.
Click to expand...
Click to collapse
lol, isnt called like that because it registers the heat from your fingers. thats why if you try to use a pen, it wont register . and thus. the screen is NOT resistive type "where it will recognize anything since its being pushed by force ? "
Much more too it than that: http://en.wikipedia.org/wiki/Capacitive_touch_screen
Rusty! said:
Much more too it than that: http://en.wikipedia.org/wiki/Capacitive_touch_screen
Click to expand...
Click to collapse
from your link
"A capacitive touchscreen panel is one which consists of an insulator such as glass, coated with a transparent conductor such as indium tin oxide (ITO).[7][8] As the human body is also a conductor, touching the surface of the screen results in a distortion of the screen's electrostatic field, measurable as a change in capacitance. Different technologies may be used to determine the location of the touch. The location is then sent to the controller for processing.

[Q] Can't unlock my DHD when the phone is laying flat on a table

Hi,
I got a DHD and for some reason I can't unlock my phone when its laying flat on a table.
I've recalibrated my sensors and still no change. The only way it unlocks is if I tilt it on an angle. This also affects games etc if its not on the correct angle.
(PS. This is the standard unlock slider on the DHD + not talking about the pattern unlock...)
Thanks in advance,
OGEZZY
cant unlock when slanted? you using pattern unlock or ??
Sorry I didn't explain it correctly.
I can't unlock the fone via the normal slider. This only occurs when the fone is flat on a table. If I put the fone on an angle or hold the fone in my hands I can pull the slider to unlock the fone without any problems.
Sent from my Desire HD using XDA App
This makes no sense whatsoever! The g-sensor has no effect on the lock screen... Have you checked the tasklist to see if there's any background apps which might be overriding screen input? I know Handcent can popup SMS notifications over the lockscreen... Maybe there's an app waiting for input, prompted by the orientation of the phone...
It's a long shot, though. Does it do the same on any other horizontal surface?
It has to do with how a touchscreen works. When you don't hold your phone in your hand and only use your finger to touch your screen it is less responsive. Mine does it too, it still works but i did notice it is less responsive.
Thats how capacitive touch screen works, they need a guiding ( electricity) true the body of your phone true your finger. It is less when not holding your phone.
That`s capactive touchscreen "issue". Holding phone in hand has better "ground" and touchscreen works better. Everyone has it
DeathJester said:
This makes no sense whatsoever! The g-sensor has no effect on the lock screen... Have you checked the tasklist to see if there's any background apps which might be overriding screen input? I know Handcent can popup SMS notifications over the lockscreen... Maybe there's an app waiting for input, prompted by the orientation of the phone...
It's a long shot, though. Does it do the same on any other horizontal surface?
Click to expand...
Click to collapse
Ok I've posted a video on YouTube to show the problem.
youtube.com/watch?v=2y5rvtMWugY&feature=player_embedded
Thanks!
Have you tried without the charger connected?
olivierlee said:
Have you tried without the charger connected?
Click to expand...
Click to collapse
Yes I have same thing...
I had that. Calibrated my phone and it was a little better. Then after a while it was fine didn't come back. Forgotten about it until I saw this thread.
Sent from my Desire HD using XDA App
Did you already try a factory reset?
It is always worth a try when dealing with any kind of computer problems
Another possibility may be that you have sweaty fingers or some kind of fluid on them that makes the touchscreen unresponsive.
If it still doesn't work, you should probably contact HTC about it. You may have got a bad device.

[LINK TO FIX][UPD 29AUG]Touchscreen Not Responsive

Issues with touchscreen being unresponsive.
Important Isuue usually appears at least after a week of owning the device
Quick test:
Lock device. Unlock, launch camera app in the lockscreen, take picture, try pressing back button, see if it responds straight away or with a delay. Test it with all apps on lockscreen.
Issue unlocking ? I.e dragging circle to the middle?
Bottom of a screen not responsive sometimes.
Back button slow to respond.
Apps launching when you try to change screen, i.e. phone registers swipe as a press.
http://www.androidpolice.com/2011/06/06/is-your-htc-sensation-having-touchscreen-problems/
CAUSE Grounding pin not touching back cover, which causes (by the looks of it) build up of static which messes up touch screen.
FIX Best to use in conjunction with fixes below.
POSSIBLE FIXes if above doesn't work, which it should, but don't expect immidiate results.
1.Shut down phone and pull battery out for at least an hour (i recommend overnight). Press power button as to turn phone on, which in theory should discharge all the left over current in the hardware.
Give it a go and let me know if it works.
2.Letting battery discharge till phone turns off,put on charge and don't touch it till it's full.
I want to thank abrown0809, eliteone, stuart0001(legendary patience ), zmfl, maschenazi, nugzo and all other people i forgot to mention for sticking with me while trying to work out FIX. Thanks to all the posters too.
I take NO credit for the fix.
Poll is here to show how many people have this problem to HTC, not to work out what percentage of users have it, as it will definitely be incorrect.
Vote yes if you EVER experienced touchscreen problems, even if its gone now.
PETITION for HTC to admit that there is touch screen problem.
All info below:
stuart0001 said:
Below is the worldwide support address. There are also country specific contact pages but I'd suggest we all contact the same place so they can't keep saying they're getting no reports.:
http://www.htc.com/www/contact/email-us/
Might be worth at least including the link below which demonstrates our issue perfectly
http://www.androidpolice.com/2011/06/06/is-your-htc-sensation-having-touchscreen-problems/
Click to expand...
Click to collapse
stuart0001 said:
I've also started a pertition here:
http://www.ipetitions.com/petition/htcsensationtouchscreenproblem/
Feel free to comment, sign & distribute as you wish
Click to expand...
Click to collapse
HT157V No issues
HT15HV80XXXX 6/1/2011
HT15BV80XXXX 6/8/2011
HT15EVXXXXX 6/13/2011 Current Device
Had big problems with the first two, both returned... Third is an improvement, however:
Seems to be a problem with the application data screen (where you can move to SD etc...) all of the data goes mental and the buttons flash sometimes causes a crash that only battery removal cures...
Back button seems to forget to work when the screen unlocks, normally returns to normal after several actions
Unlock screen is hard to unlock sometimes... helps if you are holding the device...
Screen is sometimes slow to respond
SD app icons on home screens do not regenerate after reset...
HT15JV
Circle issue in Lockscreen, and fast wish in appdrawer starts any app.
here's a video from me:
http://www.youtube.com/watch?v=zgpjmQyqYXA
@OP, what is the touchscreen issue btw? I haven't read anything about it...yet.
HT15TT - 05/26/11
No problems yet!
ht15tt
no problems
HT15CV
have the Circle issue in Lockscreen, Battery drains almost 50% in 1h wlan surfing, apps crash sometimes and at least restarts...
bet that ^^
im returning it next week i hope they will change it
HT15GV - No problems, touchsreen working perfectly.
Humming Bird said:
@OP, what is the touchscreen issue btw? I haven't read anything about it...yet.
HT15TT - 05/26/11
No problems yet!
Click to expand...
Click to collapse
Edited first post
HT15JV - no touchscreen or lockscreen issues so far
Only real bug is that non HTC widgets sometimes get flickering rainbow coloured stripes but they are strictly attached to the widget and vanish once I replace the it. So this should not be a display problem especially as the HTC widgets are never afflicted.
HT15ZT posting video now
My HT161T no issues at all
Sent from my HTC Sensation 4G using XDA App
HT15HV, no issues yet.
Had the issues on my first device, but don't know what serial it had.
Sent from my HTC Sensation Z710e using XDA Premium App
HT15MT
It had lockscreen issues yesterday. But it went away.
Sent from my HTC Sensation 4G using XDA Premium App
HT15ZT and haven't noticed any issues.
HT15RT, may build and ship date
all of the above in terms of problems. unlocking problem, bottom of the touchscreen not being responsive, swipes registered as taps fairly frequently, issues with wifi cycling and never connecting, and it has ruined the SD card it came with (do the point that it gets detected by my win7 computer but crashes explorer, and on my mac it just isn't detected) as well as the 16GB microsd I foolishly swapped in from my DSLR.
Did I mention that I still am absolutely in love with the phone?
Hmmm, still a bit random.... We just need to find a common factor. If anyone spots anything in common, just mention it, even if you are not sure.
I appreciate this thread. I am still considering purchasing this phone but the two major hold backs are the wifi signal deathgrip issue and of course the touch screen. I kinda went through this debacle with the mt4g and don't really want to go through the hassle again of finding a working model.
Sent from my HTC Glacier using XDA App
Did those with or without problems use a screen protector?
I left the stock screen protector on my unit and it works beautifully. Maybe because the touch screen unit is slightly displaced, static build up on the gorilla glass causes issues with some unit?
HT15RT works perfectly

Sensitivity

Does anyone else have a problem with touchscreen sensitivity? Idk what it is about this phone. The lag wouldn't bother me if it weren't for this. It seems like whenever I scroll I'm accidentally clicking on and touching things I didn't mean to. Its the biggest problem I have, on stock and CM.
Sent from my 6045O using XDA-Developers mobile app
Sometimes I get really pissed off but I wouldn't say it's the big problem. You get used to it
Sent from my 6045X using Tapatalk
Nikola Jovanovic said:
Sometimes I get really pissed off but I wouldn't say it's the big problem. You get used to it
Sent from my 6045X using Tapatalk
Click to expand...
Click to collapse
Ahh, so I'm not the only one? This phone has a horrible touch screen.
Sent from my 6045O using XDA-Developers mobile app
Yes, I do. I'm used to my LG G Stylo I guess (and all other phones I have had). When you touch the screen it always assumes you want to tap and does not give you a chance to slide your finger. I'd say at least 50% of the time when I want to slide it jumps to the conclusion I want to tap! So it takes twice as long to doing anything because I always have to go back and try to get it right the 2nd time. Does anyone know of a technique with this phone to execute a slide the 1st time? Thanks.
Murf. said:
Yes, I do. I'm used to my LG G Stylo I guess (and all other phones I have had). When you touch the screen it always assumes you want to tap and does not give you a chance to slide your finger. I'd say at least 50% of the time when I want to slide it jumps to the conclusion I want to tap! So it takes twice as long to doing anything because I always have to go back and try to get it right the 2nd time. Does anyone know of a technique with this phone to execute a slide the 1st time? Thanks.
Click to expand...
Click to collapse
Yea that's a good way of a explaining it. That's exactly what my phone does, although I just realized the other day that my glass screen protector may be part of the issue so I took it off to see if it helps.
Sent from my 6045O using XDA-Developers mobile app
have no problem with this. (6045Y).
It is really bad on the YouTube app. You have to be very selective on the screen where you touch to start the slide or it will start video instead of scrolling the page. They really need a setting with for millisecond delay for it to wait for a "slide" before it assumes a "tap".
Is there anywhere where you can make update suggestions to Alcatel?
UPDATE: I asked about this and made suggestion for setting here: https://www.alcatelonetouch.us/contact
Here is the response I got back from Alcatel support:
"Thank you for contacting Alcatel. It is a pleasure being able to assist you, I see here that your devices response is moving and reacting faster than it should as if it had a mind of its own. Have you modified your operating system at all? The touch panel sensitivity is not an option or something that can be adjusted through the settings.
Let's begin with technical troubleshooting by clearing the cache partition:
Turn off the phone and while it is off press Vol(+) and the power button until it is completely on. You will get a screen showing a triangle and an exclamation mark, scroll down with the volume keys to wipe cache partition and select it with the power button of your phone. Next, you will see the process wiping, formatting, complete. Once complete reboot system now using same button.
I look forward to your response and hope this is the result for your device."
I don't know how this could possible fix the issue, but oddly enough my impression is that it appears to have corrected it. I will need to test it some more, but my main culprits where Facebook (via the Hermit app) and YouTube app. I also tried several other apps. So far, so good. You might give it a try. I does not delete data or apps - only deletes temporary system used files. Google "Android wipe cache partition" and read what it does for more info. Good luck.
I don't think it's the problem, but what I would call it as the issue of this device. In my usage I like it to be responsive to my touches, sometimes I accidentally press the screen when I wanted to slide as you mentioned, but it happens to me on other devices to. I would also give some credit for this manifestation to you screen protector. I'm using the mate protector and it gives nice touch feeling over the screen on a minor cost of screen clarity and purity.
Killa Beez
Nikola Jovanovic said:
I don't think it's the problem, but what I would call it as the issue of this device. In my usage I like it to be responsive to my touches, sometimes I accidentally press the screen when I wanted to slide as you mentioned, but it happens to me on other devices to. I would also give some credit for this manifestation to you screen protector. I'm using the mate protector and it gives nice touch feeling over the screen on a minor cost of screen clarity and purity.
Killa Beez
Click to expand...
Click to collapse
I have always had LG phones prior to this and never had this issue and I had plastic screen protectors on them. I have a tempered glass protector on this one. On this phone, I have to start the slide in the air before I touch the screen so the slide is in effect as I land on the screen in order for it to record as a slide and not a tap. Furthermore, on the YouTube app I have to make sure where I land on the screen even then. If you land on the video or near it, it will play the video instead of scrolling up. So far since the cache wipe, I don't seem to be experiencing the problem. As I side note, I just got the phone new a week ago and this is my 1st cache wipe.

Touch screen problem

Hi guys,
i'm having an issue with my HTC u11, basically when i'm using the phone randomly the swipe down screen (when you swipe the screen down from top to bottom to get the notifications) comes down.
For example if while i am writing a message then drop down screen will come down when i'm typing, i then have to swipe up and continue and again.
it happens more or less all the time and is quite annoying.
any ideas?
its okay, issue resolved. NOVA Setting had gesture switched on. Swipe down for notification menu, this was the issue. lol
PLease close the thread.
Thanks
killa_byte said:
its okay, issue resolved. NOVA Setting had gesture switched on. Swipe down for notification menu, this was the issue. lol
PLease close the thread.
Thanks
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Click to collapse
Well i had the same issue. Was driving me mad! Thanks for the info.
I don't use nova and I have been experiencing this same problem so now what?
Sent from my SM-G955U using XDA-Developers Legacy app
Yeah i though the Nova setting had solved it but it seems to be back again for me, although not as frequent.
I also experience the keyboard collapsing randomly too. Anyone get that?
Hi guys, thought nova got rid bit guess not. I still get the issue. Would this be a software issue or do I have a fault with my hardware?
Any tests I can do?
I reported my issues to HTC and they replied with the following :
To test the function of the touch screen please follow the below steps
1- Dial *#*#3424#*#* > the press accept.
2- From the options, mark Line drawing test > then press run.
3- Then start drawing on the screen to check if there are parts that do not respond
The screen does not have any dead or unresponsive spots tho and the test passes without any issues.
Does anyone experience the keyboard collapses also?
I might do a full reset soon to see if that helps any. If not i will be getting back in touch with HTC.
Did all this as well, and all the tests that I've ran pass just fine. I've also done a hard reset and it didn't make any difference. I do notice that after a soft reset that it takes a while for it to happen again. It's annoying as hell so I will be monitoring this thread. Whatever you find out from htc please update this thread so we can figure out what the hell is going on.
Sent from my SM-G955U using XDA-Developers Legacy app
I also done the test and it was a pass.
I'm certain it's something to do with the software of htc. The UI has to have something wrong with it. Mind you it hasn't done it to me today yet and I'm nearly at the end of the day.
Has everyone got a case? Can't be case interference?
killa_byte said:
I also done the test and it was a pass.
I'm certain it's something to do with the software of htc. The UI has to have something wrong with it. Mind you it hasn't done it to me today yet and I'm nearly at the end of the day.
Has everyone got a case? Can't be case interference?
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Click to collapse
I turned off edge sense, I removed my screen protector and removed the case. It still does it when it's ready.
themuffinman said:
I turned off edge sense, I removed my screen protector and removed the case. It still does it when it's ready.
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Click to collapse
Exactly same issue here. Very very annoying. As a HTC fanboy I'm quite dissapointed. Phone less than 2 months old. I actually spoke to HTC today, they said they would have to book it in for a repair... Takes up-to 10 business days... I said this is not acceptable! Waiting for a email back.
I have emailed HTC back advising them that others are reporting the issue so unlikely that it's a single handset issue.
Awaiting their reply. No doubt it will be along the same lines that @dobknobby got and have to go through the 10 day repair process.
Will update when I get a reply.
I have had the same problem, and I have done the a lot of the same steps;
I tried several different screen protectors, thinking that was causing the issue. I have had no screen protector on for the last week, and yep it still happens.
Shut off edge sense, still happened.
Tested the touch screen, and everything passed.
Last night I noticed that it seemed to be related to the pressure I was putting on the screen, if I pressed down harder on the screen and slide my finger left or right or up the notification bar would come down. Did some more testing and for awhile I was able to reproduce it about 50% of the time. I rebooted the phone into safe mode (hold power button down and then press and hold the power off option for about 5 seconds it will ask if you want to reboot into safe mode). In Safe mode I could not reproduce it, Safe mode disables ALL third party apps.
WARNING: when I rebooted my phone to go back to "normal" all of my widgets and groupings were not on the screens, had to re add them.
After doing all this testing last night, I have not seen the notification come down, but like someone said it seems to get worse the longer the phone is running before reboot.
I was going to do a hard reset, today but that sounds like that may not help.
Not sure if this is software, but with the testing I did last night it seem to work fine in safe mode. However I have wondered if it is something with the screen, like is flexing enough for the sensors at the top to react to the pressure/flex.
Well keep testing and report back.
I'm also having some issues with the touch screen, but it mainly happens with the keyboard. I like to swipe to type, but lately I've noticed that it gets really jumpy, causing thing errors.
At first i thought it was touchpal so i installed Gboard. Problem still occurs.
I also removed my screen protector and tried did the touchscreen test.
---------- Post added at 07:30 PM ---------- Previous post was at 07:08 PM ----------
I ran the line drawing test a bunch of times and yes, i now do see that mine fails to draw a continuous line on occasion. It only happens in the keyboard (squeezable?) area though.
I'm worried now that edge sense is damaging the touchscreen.
OK, i have ordered HTC u11 this morning from amazon, but i guess i will cancel my order. Had many problems with htc phones in the past. Saw many reviews and thought that this one is perfect with no flaws... Ahh..... Already ordered some accessories for my new device... It's really a shame to read this kind of threads. Hope you guys will find a solution and hope that this won't be a hardware issue.
djbutter said:
I'm also having some issues with the touch screen, but it mainly happens with the keyboard. I like to swipe to type, but lately I've noticed that it gets really jumpy, causing thing errors.
At first i thought it was touchpal so i installed Gboard. Problem still occurs.
I also removed my screen protector and tried did the touchscreen test.
---------- Post added at 07:30 PM ---------- Previous post was at 07:08 PM ----------
I ran the line drawing test a bunch of times and yes, i now do see that mine fails to draw a continuous line on occasion. It only happens in the keyboard (squeezable?) area though.
I'm worried now that edge sense is damaging the touchscreen.
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Click to collapse
Does your keyboard collapse when you are typing? That happens with me. Really frustrating when you are typing quite fast then the keyboard just disappears. Then you end up tapping a link or something that was behind the keyboard. You then need to go back to the page you were on and start typing all over again.
Are you running app killers? Stop boost+ auto. Apps updating from gplay can cause you to be kicked out of the keyboard, it can also pause/stop YouTube vids.
The edge sense system is 2 sensors stuck to the inside of the edge of the device, along the aluminium strips, they shouldn't interfere with the screen at any time.
Sweaty hands and greasy screen can cause the screen to misread your touches and gestures.
Running low on internal memory (sdcard) can cause all sorts of issues. Make sure you ALWAYS have a couple of Gb free.
Try to replicate the problem in test mode.
Beamed in by telepathy
shivadow said:
Are you running app killers? Stop boost+ auto. Apps updating from gplay can cause you to be kicked out of the keyboard, it can also pause/stop YouTube vids.
The edge sense system is 2 sensors stuck to the inside of the edge of the device, along the aluminium strips, they shouldn't interfere with the screen at any time.
Sweaty hands and greasy screen can cause the screen to misread your touches and gestures.
Running low on internal memory (sdcard) can cause all sorts of issues. Make sure you ALWAYS have a couple of Gb free.
Try to replicate the problem in test mode.
Beamed in by telepathy
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Click to collapse
Personally I made sure to address all your points when trying to figure out what is going on. So none of this applies to me.
scotia_rfc said:
Does your keyboard collapse when you are typing? That happens with me. Really frustrating when you are typing quite fast then the keyboard just disappears. Then you end up tapping a link or something that was behind the keyboard. You then need to go back to the page you were on and start typing all over again.
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Click to collapse
It doesn't collapse for me, but i do occasionally have the notification shade pulled down.
dobknobby said:
Exactly same issue here. Very very annoying. As a HTC fanboy I'm quite dissapointed. Phone less than 2 months old. I actually spoke to HTC today, they said they would have to book it in for a repair... Takes up-to 10 business days... I said this is not acceptable! Waiting for a email back.
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Click to collapse
Same here, only I was told 7 to 15 business days. Offered to give c card to have a replacement shipped, but that is no longer an option with HTC.
So when I washed my M9, I was without a device for 2 days, but now that their phone is crap, it's going to be 3-4 weeks.
Unhappy....

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