Related
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.
Has anyone had their screen become unresponsive at all? meaning certain parts of it not working? I was typing before and my screen seemed to have a few "dead" spots where I would press and it wouldnt register, The V key on the kb, but b and c worked.. it was just strange. a reboot seems to have solved it for now but just wondering if anyone else has had this happen at all. I just got this as a warranty replacement. My old one never did anything like that.. so I'm wondering if maybe they sent me a bad one or if it was just a temp software glitch
Yes I have had this exact issue only mine occurs in the home screen and lock screen where I can't swipe to another page at times or I can't unlock the phone in a certain area.
Sent from my HTC AntiTitanic
Yes, have same issues...even som times when I have to turn it on. Video playing wrongly as well. I might reboot it.
Sent from my HTC Glacier using XDA App
i only occasionally have any issues
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
I have just replaced my digitizer (was dust under the screen and also a scratch on the digitizer itself, along with the fact I damaged it removing the sticky tape) and the whole screen is almost completely unresponsive. Brand new, but wont work fully until I touch the screen for a bit or give it time to sit after activating the lockscreen.
Once it is through it's "warmup" the screen works flawlessly. It just acts like a slug before that... Also rendering the quick launch lock screen completely worthless. Anyone have any ideas what could be the culprit?
Sent from my HTC Sensation 4G using XDA Premium App
I too replaced a broken screen on my sensation, and i am experiencing the exact same problem as you. Only for me it's only the lower left part of the screen that 'takes time to warm up'.
Did you find any solution?
Not yet. I have another digitizer on order, and fingers are crossed. If not, ill be biting the bullet and waiting for the nexus prime. I have this feeling that it is something other than the digitizer which is extremely sensitive. If people are claiming responsiveness issues after a week or two of use, and while on their sixth or seventh sensation... It sounds like something is slowly deteriorating or building up.
Sent from my HTC Sensation 4G using xda premium
I don't think it's the digitizer either, probably something else ont he phone. However i don't think it is the same problem as everybody else is having, since they experience their screen being unresponsive in general rather than just after turning on.
I am though going to try some of the fixes suggested, i.e. improve the grounding by placing some aluminum foil under the cover and see if it helps.
What does "turning on" mean? Cold boot up? If so, then the CPU on the phone will be busy doing stuff. If you mean waking up from sleep, then that's another problem.
for me it's both cases, both when booting the phone and just when turning the screen back on. What's strange is that it is only the lower part of the screen that's frozen :-S after 10-20 seconds it suddenly springs back to life just as nothing had happened and works flawlessly until i turn the screen of. Then i see the exact same problem again.
I also noticed now that the screen also freezes after calling somebody and when you hang up :-0 I really don't know what is wrong with the phone!
If the phone is unsecured (never sleeps) it will work flawlessly. As soon as I click the top button to secure the screen, or take a phone call, once I try to unlock/ use the screen again... The problem comes back. The left side of the screen is the most responsive, usually moving my finger around for about five or ten seconds will restore full sensitvity. I received a new digitizer in the mail, just waiting on tape. Interesting note; they are different digitizers. The original was HTC/ tmobile brand while the replacement is simply HTC. The ribbon cable also reads different. My original: pyd v1.0, sw-10 94v-0, e3082521117. The new one reads: pyd v1.0, e21954-1, ruICACichia, 94v-0 1112. The current digitizer replacement is also a standard HTC label... I wonder if it is because it isn't a specific model replacement.
Sent from my HTC Sensation 4G using xda premium
Alright so i tried doing all the fixes related to the grounding issue, and i didn't affect anything at all.
I'm going back to the repair shop today (have a three months warranty) to tell them to have a look at it again and see if they can fix the issue. Maybe they have a spare digitizer they could try instead of my current one. I will let you know if anything helps!
Sounds good. I am betting its either an incorrect digitizer for the model of phone (us/eu/whatever) improper mounting or damage, or just planetary alignment or something equally stupid. I'm really hoping someone figures out this problem... It is frustrating to spend more time figuring out how to fix a phone than you actually do using it.
Sent from my HTC Sensation 4G using xda premium
what9000 said:
Sounds good. I am betting its either an incorrect digitizer for the model of phone (us/eu/whatever) improper mounting or damage, or just planetary alignment or something equally stupid. I'm really hoping someone figures out this problem... It is frustrating to spend more time figuring out how to fix a phone than you actually do using it.
Click to expand...
Click to collapse
True, had i known from the start i would probably just have bought a new phone, rather than spend on the money on getting the screen replaced :-S
Well, I replaced the digitizer for a second time. Seems to be the same thing so far. Different initial responsiveness spot (looks like the right side might be more sensitive now) but I didn't have high hopes. I wonder what it could be...
Sent from my HTC Sensation 4G using xda premium
So i went back to the repair shop and got it fixed. I guess they weren't in the mood for scientific inquiry, because they simply disassembled the phone and installed a new digitizer. After that everything is working fine, altough i will never know if it was the digitizer itself or some faulty wiring somewhere :-S
Worked for me
I have had exactly the same problem you all have experienced. The first digitizer I ordered from a company on e-bay gave me huge problems at the unlock screen. Bought a new one from skalshop and it works perfectly. I even tried it without tape to make sure it worked before I glued the thing together and it worked perfect.
Hi, new to XDA but I have been having a problem with my unlocked & rooted LG G2 D800 running official 4.4.2 recently. About 2 weeks now.
The top of the touchscreen is unresponsive. Did nothing that I know of to cause any damage to the screen. It started with just a small portion where the notification bar is located. Couldn't drag the notification bar down was pretty much the only problem. Then the area began to get larger. But then it would get smaller. It stretches from one end of the screen to the other short ways. At one point there was a small line that would register touch in between two unresponsive areas. At another point the screen started working fine for 3 days then began to act up again. Now the screen registers touches that aren't happening. Turned on a setting in Developer settings that allows me to see small dots where the screen is touched and sometimes it will register 5, 6, even 7 touches at once all in the unresponsive section of the screen. Sometimes one or two or three. They happen in both short clicks and long presses. Sometimes one point will register and stay in the same spot for a while, happens in random different spots in the unresponsive zone. It is a real hassle at this point because when it starts happening it clicks anything in it's path, pulls down the notification bar, zooms, posts, opens apps, etc.
Tried doing a factory data reset, didn't help in the slightest.
Tried updating touch firmware in the hidden menu, again nothing.
Looked it up and it seems to be a semi common problem with the G2. A lot of people are crying software issue. So what my question(s) would be are, does anyone on xda have the same problem? Has anyone found a solution? Even more specific has anyone found that flashing a different ROM works/fixes the issue? Like CM11 say because it's in a stable build? Maybe it could be a hardware issue, loose connection, something else but it's frustrating as hell and it would be nice to find out it's something easily fixable before I start ordering parts. Thank you! -Damon
igotamelvin said:
Hi, new to XDA but I have been having a problem with my unlocked & rooted LG G2 D800 running official 4.4.2 recently. About 2 weeks now.
The top of the touchscreen is unresponsive. Did nothing that I know of to cause any damage to the screen. It started with just a small portion where the notification bar is located. Couldn't drag the notification bar down was pretty much the only problem. Then the area began to get larger. But then it would get smaller. It stretches from one end of the screen to the other short ways. At one point there was a small line that would register touch in between two unresponsive areas. At another point the screen started working fine for 3 days then began to act up again. Now the screen registers touches that aren't happening. Turned on a setting in Developer settings that allows me to see small dots where the screen is touched and sometimes it will register 5, 6, even 7 touches at once all in the unresponsive section of the screen. Sometimes one or two or three. They happen in both short clicks and long presses. Sometimes one point will register and stay in the same spot for a while, happens in random different spots in the unresponsive zone. It is a real hassle at this point because when it starts happening it clicks anything in it's path, pulls down the notification bar, zooms, posts, opens apps, etc.
Tried doing a factory data reset, didn't help in the slightest.
Tried updating touch firmware in the hidden menu, again nothing.
Looked it up and it seems to be a semi common problem with the G2. A lot of people are crying software issue. So what my question(s) would be are, does anyone on xda have the same problem? Has anyone found a solution? Even more specific has anyone found that flashing a different ROM works/fixes the issue? Like CM11 say because it's in a stable build? Maybe it could be a hardware issue, loose connection, something else but it's frustrating as hell and it would be nice to find out it's something easily fixable before I start ordering parts. Thank you! -Damon
Click to expand...
Click to collapse
I doubt that it is a software issue. The G2 is a pretty tough phone but sometimes the digitizer gets a bit off if too much pressure is applied like when you sit and the phone is in your back pocket. Can you have it checked? You can download screen test apps from play store to run simple pixel based tests to see if its ok or there is a hardware issue.
Press the phone firmly with your fingers or palms. It helped my with my lg g2
Sent from my LG-D800 using XDA Free mobile app
my issues was solved by opening phone and fixing digitizer connector