Related
I have got a (most likely) hardware related issue with the touchscreen of my Xperia U.
Some parts of the screen are not or barely responsive, which is very annoying when typing. I have to tap some letters twice before they actually work. (It's especially around the 'i', 'n' and 'e' when I have my keyboard open by the way.)
I was running stock Android GB and I'm now running stock Android ICS, after I updated my phone the problem was still there which is why I assume it's hardware related. There does seem to be a slight improvement though, but that's probably because ICS feels a bit faster (so far).
Like five minutes ago I noticed something very strange, when I put my finger near the 'N' on the keyboard, but not touching the screen itself, it kept touching it like 10 times a second, sometimes holding the touch so it would result in a ';', but that's not really relevant I guess. It stopped doing that after I turned the screen off and on again by the way.
Now I've downloaded a drawing app on my phone, to see if the phone would skip the parts that were responding bad, but that wasn't the case.
(I would send a picture, but I'm not allowed to send outside links as I'm a new user, sorry. )
There is a chance that this problem is caused by a kind of overpowered charger I had been using last summer, because when I plugged that in, the phone started doing the same, only waay worse. I haven't used it for almost 3 months though, and the problem occurred just a few days ago, which is pretty weird.
I can probably get a replacement touch screen for free because my brother had this phone too and he bought a new phone because the glass of his screen broke.
But I hope I don't have to use that, haha :angel:
Is there any solution to this without taking it to a service center or replacing it?
Thanks!
@Fir3Fli3
Lots of touchsscreen thread in the forum, search and see what they did
Hello all and please forgive my poor english
I really love this tablet (thickness, battery, weight, screen) BUT i have a major problem with it : i often need to tap 2 or 3 times on something in order to launch/select it and it ruins my global experience with the tablet :crying:
Do you guys have this problem and is there a way to alter the sensivity of the screen ?
Thanks
yanouch said:
Hello all and please forgive my poor english
I really love this tablet (thickness, battery, weight, screen) BUT i have a major problem with it : i often need to tap 2 or 3 times on something in order to launch/select it and it ruins my global experience with the tablet :crying:
Do you guys have this problem and is there a way to alter the sensivity of the screen ?
Thanks
Click to expand...
Click to collapse
Yes, I have the same problem. Some say, it's software issue, and suggest to wait until tab gets updated.
xbad1 said:
Yes, I have the same problem. Some say, it's software issue, and suggest to wait until tab gets updated.
Click to expand...
Click to collapse
Yeah that's what i expected but wanted just to know if others had the same problem and if there was already a workaround for this
Many people have this problem, including a number of reviewers.
Nevertheless Sony refuses to acknowledge the existence of the issue. When I called them, the guy said "You are the first to report such a problem". (Probably he lied and was advised "from above" to say so...)
The customer is left in the cold!
Some people have a return policy - what if one waits for a software update, the return period expires, the update comes, but it doesn't fix the problem and it turns out to be a hardware problem??
The information politics of Sony and other companies (yes, Google, you too!) is an absolute PILE OF S**T!!
Yup, me too. The annoying thing it is difficult to document. Yesterday my tablet was charging and I turned the screen on using power button - lock screen didn't react at all to my inputs. Tried switching screen on/off a few times but it didn't help. Also tried double-tap to wake with no success. Went to get my camera to document, then of course it started working...
I've written this elsewhere, but this is how I notice the touch screen problems:
For me the tablet randomly doesn't recognize touches during the below instances. In all cases either going to the home screen and relaunching the app or turning the screen off/on will solve the problem. The problems occur several times per day but not constantly.
Sometimes opening apps will cause everything but the bottom android-buttons to be non-responsive. This can happen in any app it seems, including native ones such as Google Play.
Sometimes the lockscreen doesn't recognize touches at all.
While charging I've had issues getting the touchscreen to recognize touches, disconnecting the charger has helped.
Double-tap to wake seems to be very moody, sometimes working sometimes not. Sometimes it turns the screen on even by me just holding the tablet with my palm resting against the screen.
While not a bug per se, also the android-buttons seem very picky that you have to hit them right on the spot to work.
Other threads on same topic:
http://talk.sonymobile.com/t5/Xperia-Z2-Tablet/Touch-screen-problem/m-p/620325
http://community.sony.fi/t5/Tablets/Xperia-Z2-tablet-touch-screen-issue/td-p/1582051
http://www.android-hilfe.de/sony-xp...screen-reagiert-nicht-immer-zuverlaessig.html
Damn ! i'm not alone....
One forumer said he thinks that switching OFF Stamina mode helped a little bit...
I don't have my tablet with me, can someone test this ?
"A little bit" help is NOT enough.
The touchscreen MUST work perfectly, whether with Stamina Mode on or off or whether with Mode XY on or off. No discussion.
Sony HAS to fix this.
Already solved in .55 firmware
hasenbein1966 said:
Nevertheless Sony refuses to acknowledge the existence of the issue. When I called them, the guy said "You are the first to report such a problem". (Probably he lied and was advised "from above" to say so...)
Click to expand...
Click to collapse
The same experience with Z1 compact and support. Told them the camera is really broken - they told me there is absolutely nothing wrong with the camera and I'm the first one who got this problem. That was some weeks before, now they officialy added that maybe some devices are defect.
But that´s Sony, they give a **** about u, don't even try to contact the support.
I'm also having this issue, if I'm using the Sony sleve it's impossible to use the touchscreen as it will tip over when I press hard enoug for the screen to actually register it.
No problem here.
Only early days yet. The only prob I've got atm is Dropbox isn't showing up in the Album.
Edit: Fixed the Dropbox problem by using the Dropsync app.
I also seem to get this. The tablet works fine when tilted at an angle but for some reason can be completely unresponsive when it's laid flat. Would this suggest a hardware issue or a software bug?
I also get this, sometimes it's like I just need to press harder (so hard the tablet falls over when using the cover as a stand), but other times it seems that no matter how hard I press or how many fingers I apply it doesn't register a thing for periods at a time.
I'm lead to believe that this is either software or firmware considering the intermittent nature. Are there any custom ROMs out yet that we could flash to eliminate the software aspect?
I have same problem, most noticeable in Chrome, switching tabs fails to register 10% of time. I can only think Sony have a hardware quality control issue with the digitizer as if it was firmware related, surely everyone would be suffering. Strange none of the reviews have picked this up, but I'm going to have to return mine.
No, no, no.
It's most surely a firmware problem!
The electric current threshold for registering a touch is set too high. So if the tablet lies on a non-conducting surface, and especially if it was not touched for a longer time, there will be touch problems. Also touching the tablet with a fingernail will not suffice because nails conduct current worse than skin. Other tablets which have a lower current threshold also accept fingernail touches.
I'm very sure: If you hold the tablet with one hand and touch with the other (and don't accidentally use fingernails), touch will be OK! Right? This is because more current will flow.
The .55 firmware which is out for LTE devices already and will follow for WiFi devices lowers the threshold and thus fixes the problem.
Up to then always take the tablet in your hands when operating it.
Interesting theory, just gave it a go, inclusive, but does seem worse in case. However if Sony aware, why have they not rushed out firmware as otherwise initial user experience is ruined.
QUOTE=hasenbein1966;52005720]No, no, no.
It's most surely a firmware problem!
The electric current threshold for registering a touch is set too high. So if the tablet lies on a non-conducting surface, and especially if it was not touched for a longer time, there will be touch problems. Also touching the tablet with a fingernail will not suffice because nails conduct current worse than skin. Other tablets which have a lower current threshold also accept fingernail touches.
I'm very sure: If you hold the tablet with one hand and touch with the other (and don't accidentally use fingernails), touch will be OK! Right? This is because more current will flow.
The .55 firmware which is out for LTE devices already and will follow for WiFi devices lowers the threshold and thus fixes the problem.
Up to then always take the tablet in your hands when operating it.[/QUOTE]
POTENTIAL FIX FOUND (ROOTED ONLY)!
Rooted users can try this fix, works for me! Touch seems to work perfectly now, also when tablet not in hands and lying on non-conducting surface!
Edit the file
/system/usr/idc/clearpad.idc
and alter these two lines:
Code:
touch.pressure.scale = 0.0001
(original value: 0.1)
and
Code:
touch.filter.level = 1
(original value: 2)
Don't forget a nandroid before
Please report whether it helped! :good:
P.S.: just for the curious - on the first Tablet Z, the two values are also lower: touch.pressure.scale is 0.0074, and touch.filter.level is also only 1.
Thanks for suggestion but dont wish to root (I use it to watch Sky which wont work if rooted) - seems there is more assistance on this forum to the issue than from Sony. I'll give it another week for a firmware fix before returning it.
elaborate...
nos1609 said:
Already solved in .55 firmware
Click to expand...
Click to collapse
If this is fixed in the 55 firmware then how do you get it?
I haven't had a firmware update?
I'm using 16GB Wi-Fi only in the UK
---------- Post added at 09:17 PM ---------- Previous post was at 09:11 PM ----------
homme_fromage said:
If this is fixed in the 55 firmware then how do you get it?
I haven't had a firmware update?
I'm using 16GB Wi-Fi only in the UK
Click to expand...
Click to collapse
My bad, didn't read all the way through, ignore me.
Now after a few days I can say:
With the root fix described above, my tablet works like butter. Simply perfect. :good:
Only instance where I have still problems is when the tablet was lying around for a while and I try to operate the touchscreen without taking it in my hands. Then sometimes (not always) the screen doesn't react, but only for a short time.
The problem seems to be related to static electricity.
Hi, i have had my tablet for about 1 week, straight after starting it up i had a fw update which is 17.1.1.A.0.402 which i am assuming is the latest?
anyway i have read a lot about the new fw was supposed to fix the touch issues?
I also have the z1 which i still have and is perfect. ive recently updated to 4.4.2 on that and all my issues are fine on there.
my z2 is acting very strange, if i leave it alone for a while sometimes i will go on it and everything on the screen will be frozen, i can't tap anything, i have to press the power button and then swipe to open it again, it is then fine after that.
also i have noticed, and i think its happening a lot when my tablet is a little angled using the case, the screen will be a bit jittery, where as my z1 is really smooth, and i also sometimes have to really tap icons a few times before they register.
i play clash of clans a lot and its been a bit difficult to play as troops aren't selecting as i am tapping on them.
has anyone got any advice?
I have done a factory reset to see if that would fix any issues from the fw update but its still exactly the same.
Thanks
James
anyone?
james_lpool said:
anyone?
Click to expand...
Click to collapse
I installed the new firmware yesterday. While I notice an improvement with the touch problem it's still present. Just install an multitouch app (like this one: https://play.google.com/store/apps/details?id=com.easylabs.multitouch), let your finger trail on the screen and it's definitely obvious (the number on the top right should be the number of fingers touching the screen and it's often not). I tried the same thing on my old Iconia A500 and that's the one thing where it's WAY better than the Z2.
I don't experience anything as strange as you do though, it's mostly usable and I hardly notice it with the new firmware.
I did experience something very strange just BEFORE updating with one specific charger and one specific USB cable , the tablet wouldn't register any touch at all while it's was plugged in. As soon as I unplugged it it would work. The cable was fine with another charger and vice versa;
Weirdest of it all:
This happened while I was testing the output current for each combination of cable/charger and this particular couple was the one giving the "best" results; consistently between 1.1A and 1.2A
I can't reproduce this behaviour with the new firmware. All in all, it's usable for me. Biggest bug would be it not charging while playing power consuming games.
I have found mine goes more weird when it goes to sleep and i then wake it up, the screens sensitivity seems to be terrible, i have topress the off button and then start it again then its fine.
it will then mostly stay fine until the screen times out again then the same thing will happen when i wake it.
James: Same with my 521...
Touchscreen response was REAL BAD after updating to .402, then it went better and better day by day; strange phenomenon.
I also occasionally experience some touchscreen "numbness" after waking up the table with a double-tap, sometimes touch sensitivity suddenly becomes quite low just without any reason; touchscreen has problems detecting touches near the screen corners or doesn't react to touches at all. Solution: Switch to standby, and back on.
At the same time, the Android symbols (Back, Home, last apps) again become difficult to hit.
You can test this by slowly swiping your finger up from the lower bezel towards one of the symbols: If the touchscreen is ok, symbols get highlighted right after your finger reaches the lower edge of the symbol. If the touchscreen malfunctions, you need to move your finger up to the center of the symbols to get them highlighted.
So it smells like a software issue.
Touchscreen problems usually occur two to three times a day of normal use; so I regard it as acceptable - but the problem still isn't fully solved.
I would say it's a hardware issue which Sony attempts to counterbalance with software patches.
Just like on the Nexus7 (2013). There sfhub released a touchscreen fix which made the problem bearable for most users (with some experimenting with different versions of the fix, because each device is different).
I wrote a PM to sfhub asking him whether he could disclose how his fix works so that Z2 Tablet users perhaps could apply a similar, variable, tailor-made fix to their individual device.
No response, unfortunately.
Perhaps some of you could send the same request to him, and perhaps then he reacts?
every now and then, after double tap to wake, the tablet is extremely unresponsive.
I also just sleep/wake up again via power button and it's fine after that.
So my but feeling it's a software issue, not hardware issue.
- Frank
I never had touch problems but after updating to the latest firmware, the tablet is unusable from time to time
what's annoying me is that Sony wont seem to admit that there is an issue, i was talking on their live chat to support and they said that's the first time anyone's mentioned that and isn't on any list of any known issues
Which doesn't fill me with confidence on how quick this may get fixed.
The speed in which is gets fixed may determine if i just send the tablet back to Amazon for a full refund, unfortunately i have bought the Sony case and magnetic charger now as well
I'm just really puzzled what to do, what can i do apart from sent it back if Sony wont even acknowledge they are aware of the problem and will release a fix soon
The only thing is because i have now bought the charger and case, i kinda want to keep it.
It was a direct replacement for my Z1 which i still have, and that is also updated to 4.4.2 now, but that shows no touch issues at all.
What's very interesting and revealing:
When Sony was addressed a few days ago regarding battery problems on Tablet Z and a few phones after the Kitkat update, they immediately reacted!
They readily explained that it is a problem with the Google Play Services running amok and that a fix will come.
But it seems that just because this here is a Sony problem (and not one for which another company can be blamed like in the above one), Sony simply doesn't react at all and obviously orders the service employees to lie and say that they haven't heard at all of a touch problem.
Boooo, Sony, shame on you!
james_lpool said:
what's annoying me is that Sony wont seem to admit that there is an issue, i was talking on their live chat to support and they said that's the first time anyone's mentioned that and isn't on any list of any known issues
Click to expand...
Click to collapse
HAHA ! Exactly the same in Germany. Even after talking about that issue with the SAME person three days in a row, I still was told the problem was totally unknown.
Later, I had a more private talk with one of the support guys. He revealed to me there was an order from Sony to tell callers exactly that.
Ah, as I thought.
This is abysmal behavior by Sony, period.
Also on the Sony support forum, none of the official support staff has replied to any of the topics about touch screen issues. It seems they are just completely burying their heads in the sand...
FW .402 didnt fix the touch screen issue. It is noticeably better than any FW from before.
Gosh, the touchscreen keep going back to home when i'm in a middle of fb conversatuion.
I was testing with chromecast +youtube: those swibe action to enlarge or fade out afe 99% imprecise...
Really wondering if I can return the item to amazon to fix this problem...
Diomorgan said:
Gosh, the touchscreen keep going back to home when i'm in a middle of fb conversatuion.
I was testing with chromecast +youtube: those swibe action to enlarge or fade out afe 99% imprecise...
Really wondering if I can return the item to amazon to fix this problem...
Click to expand...
Click to collapse
Are you sure you're not just accidentally touching the home button while typing? That happens to me from time to time, which is a downside of having the navigation buttons centered compared to having them in the corner like on pre-4.4 Android tablets. I actually think Google should add a setting to choose if the navigation buttons on tablets are in the left corner, centered, or in the right corner. Having them centered also makes it awkward to reach these buttons when holding the tablet with two hands.
So some of you with white Z5 compact phones might have had this touch sceen bug with repetitive key presses and unstable touch screen behaviour bug which was previously "fixed" by a software upgrade:
http://www.xperiablog.net/2015/10/21/white-xperia-z5-compact-touch-screen-fix-arriving-next-week/
Lo and behold. This bug is back in MM, and there is another guy in the thread which I can see also have the bug come back
It is not always there, but sometimes its just there. I dont know what triggers it. A restart seems to help until it comes back again.
For those of you not familiar with this bug, it usually shows by repetitive touches, and highly unstable touch screen.
For example when i press the key "s", it usually put in "sssssss" like i have pushed that key 5-6 times.
Also the bugs shows, when for example you are scrolling in facebook/internet, it will not let you scroll. Whenever you touch the screen, it will enter, whereever you lay your finger on screen.
Lastly it also shows by the screen becoming completely unresponsive when you press anywhere.
I have clean installed MM and restored my apps via Sony Backup/restore app.
I am so pissed how a phone color (white) can somehow decide the behavior of the phone touch screen, and I believe sony is hiding something.
In the beginning I was thinking that maybe they made different builds for the different Z5 colors, so they might not have included the "newest" touch screen drivers for at launch time for the white version.
But the same bug appearing AGAIN in MM i have a very hard time understanding that should be the case that it was a software bug. I believe there are some hardware bug, they have somehow omitted by a software circumvention, and they forgot to add it to the white version for the MM launch.
Personally I have always had a problem with the "return" key when the phone is placed. Patch or not, this button works once out of 10.
For information, I just bought this phone. I also think there is a hardware problem. This is average for a manufacturer like Sony. I thought for a moment it back in service but when I see the number of dissatisfied with the service Sony in France, I preferred to keep my phone in the hope that a solution comes a day. We have the right to expect in my opinion ...
I did clean install via flastool also and i have/had this problem. Yesterday i did software repair via pc companion and restores apps after that and so far problem has not occured.
I also made a repair with PC Companion but nothing changed.
So there are other people here with this annoying problem.
You all have a white xperia yes?
This bug is so annoying I feel sometimes like tossing the phone into a wall.
If there was an alternative to this phone in this form factor and specs, I would have bought it yesterday.
But unfortunately there isn't
It's a poor ground connection from the digitizer most likely. You can replicate this "bug" on any device with a bad USB charger. I had a charger that would cause my Nexus 7 to detect random touches.
The software fix was likely adjusting the voltage threshold for touch events to be considered actual presses. It was likely forgotten about when they updated and just needs to get readjusted again. Too bad we don't have the ability to adjust the threshold ourselves in developer options
That being said I have a white z5c and I've only had this "bug" happen once and I just chalked it up to me being plugged into the wall and didn't think much of it. I use my phone constantly too.
hipsterfont said:
It's a poor ground connection from the digitizer most likely. You can replicate this "bug" on any device with a bad USB charger. I had a charger that would cause my Nexus 7 to detect random touches.
The software fix was likely adjusting the voltage threshold for touch events to be considered actual presses. It was likely forgotten about when they updated and just needs to get readjusted again. Too bad we don't have the ability to adjust the threshold ourselves in developer options
That being said I have a white z5c and I've only had this "bug" happen once and I just chalked it up to me being plugged into the wall and didn't think much of it. I use my phone constantly too.
Click to expand...
Click to collapse
Interesting theory. Do you think it is likely that this issue only occurs for one phone color (WHITE), and then only for some whites.
The assembly line for the phones should more or less be the same, no mater the color.
I also have Sony Z5 compact white version which had the touch problem from start. Now after the Marshmallow update its back. As said above, it could happen while browsing (or on home screen) e.g. Entering links instead of scolling i.e. It triggers multi click. In these situations all menu keys will also be none responsive. Its starts acting normal again after a quick push of the power button, i.e. puttning the screen to sleep.
As a former developer for mobile software, both for apps and the android platform, i thinking i would agree with the above conclusion that the problem is hardware based, and not due to a difference in the delivery software version, as i was hopping. So the question is; will this always be a problem for these versions of Z5c white, i.e. they are forgotten in new builds?
Unfortunately I'm having the same problem with my white z5 compact...
mcmanuf said:
Interesting theory. Do you think it is likely that this issue only occurs for one phone color (WHITE), and then only for some whites.
The assembly line for the phones should more or less be the same, no mater the color.
Click to expand...
Click to collapse
it happens that for different colors are used different materials.. probably white ones have different properties..
i can confirm that using bad cable/chargers this kind of bug happens with every device, with random touches and impossible scrolling.. if you have a well-known bad adapter and you note no differences with your white z5c, that's definitively the answer..
i think sony should recall all white z5cs and replace them with newer or different release
What revision of compact Z5 are you? Personally I have a revision 3 (that is written on the box).
I also had a touch of problem before moving to the latest version of Android (6).
My girlfriend also bought white Z5 Compact and funny thing... I put the Panzer Glass on the screen and guess what? Sometimes she can't turn off the alarm clock in the morning and sometimes navigation buttons are not responding. I tried then without the screen and it works without a problem. I am not sure if this is a problem with Panzer glass or sony's bug.
I have Z5 and have no problems, but mine is black edition
Mine is z5c white version as well. The bug started again on MM
And the bug quite annoying.
I bought it on updated lollipop.
And never had this problem before.
This plus Bluetooth is really making me hold off on not moving up from .200 lol
Argh - just saw the visual representation of this bug:
http://www.xperiablog.net/2015/10/06/xperia-z5-compact-owners-reporting-touch-screen-problems/
and it sounds A LOT like the one from the OnePlus One (driver & firmware issue)
easy blame: Synaptics - fix your ****
Anyway:
try enabling the double-tap-to-wake if it's not already enabled, lock the screen - give it some time to settle (~ 30 seconds),
wake it up (double-tap) - do some stuff - disable the double-tap-to-wake and lock the screen again.
Unlock it via power button and see if that improved the "situation".
Sony recommended a few times to boot into Safe Mode,
does this Mode exist on Android Marshmallow ?
Does it make any change ?
Had this in Nougat is there a fix?
It feels like a software problem! You can try to reinstall the system!
First consider whether it is a system problem. You can refresh the system to see if it is back to normal. If it still does not, then you may need to update a new LCD screen. You can go online to find the repaired video as a reference. The witrigs repair video is doing great, you can check it out!
Hi Everyone
So I've been having issues with the touchscreen for Kindle fire HDX 7" tablet. I have spoken to Amazon customer service which was no help and the only help they offered was for me to buy a new Kindle which is unacceptable in my opinion.
When I first turn on my tablet everything is working fine with no issues, but after some light usage and maybe some internet browsing it starts to lock up. It almost seems like there's some memory leak issue where the RAM fills up too fast causing the device to become unresponsive. Some parts of the screen becomes unresponsive while other parts of the screen work ok especially when using the keyboard. The tablet seems to be completely responsive again if I press the power button where it takes me back to the homepage but only for like 2 minutes and then starts to do the same thing again. One thing to note is it's not always the same area of the screen that becomes unresponsive.
I have tried doing a factory reset, hard reboot, and even used a custom ROM (CM 11 using Safestrap v4). I am still getting the same issue so now I believe it's some sort of hardware issue but not sure which. I would like to see if I can fix this as I did spent over 240 dollars on this device. Could it be the screen display and digitizer causing this issue or something else? There are no cracks in the screen and I do not believe it was ever dropped. If anyone can shed any light on what could be the problem that would be fantastic.
-Thanks
Matthew