STRANGE touch sensitive button problem - Galaxy S II General

Just got my SGS2 and encountered a really odd problem.
When using the phone while lying down on your bed aka checking email in bed, the back key registers 2 key presses.
To reproduce it every time, just slide your finger slowly onto the back arrow from the bottom left.
This only happens while lying down and is actually pretty annoying because it makes navigating pages hard.
Anyone else have this issue?
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Tried it and it's perfectly fine for me..
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Actually, it happens both normally and upside down. Maybe time to get a replacement, can't be firmware right?
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sz1a said:
Actually, it happens both normally and upside down. Maybe time to get a replacement, can't be firmware right?
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Maybe you should get a replacement.. Have you flashed or rooted your device?
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A couple of old threads reported that the back button is not sensitive enough and sometimes would require 2 taps for it to register the command, must be something related?

When looking into buying an s2, I was considering buying a damaged one where the touch buttons wouldn't work. Upon researching so I could find a fix and buy it cheap, it turned out to likely be a hardware issue and on a side note, most of the people that had reported similar or same issues also mentioned using a third party charger/non samsung one.
Basically the kist of the signs of problems - charger thing, erratic touch screen behavior while using the charger, intermittent issues with the soft keys not working, and eventually failure of the soft keys.
But every post I saw resulted in a successful warantee claim. Hopefully the same can be said for you if worst comes to worst

Thanks for the replies,
The phone is less than a week old so I might just have it replaced.
The double tap issue only happens when lightly/slowly pressing "back". But that is very often since the touch screen is so sensitive.. I feel like this all started after upgrading from kg7 to ki2 using kies. Oh well..
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Quick question for the community: Would rolling back to KG7 from KI2 using Odin void my warranty? I want to see if the problem was still there, because the phone came with KG7 installed 10 days ago.
I noticed how the touch screen immediately got much more sensitive (too sensitive for my taste) after upgrading to KI2 in Kies. It seems like it starts registering a press when a finger is just barely hovering over the glass which makes it hard to control and the capacitive keys super jittery.
Now, both the "menu" and "back" buttons registers multiple key presses if not pressing them super firmly and quickly.
I hate this stuff... I have never once bought a phone without running into stupid problems like this.

If you only tried to flash official firmware your binary counter won't increase so you can just return to stock firmware.. Check your binary counter in download mode, if it increased even by one use a jig to reset it to zero (with old bootloader ofcourse)..
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I do have this issue too, but i'll just tap it very fast to avoid the double tap. Using stock from KF1 still.
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I just figured it out. The double tap only happens when the lights are off for the keys. I switched to 6 s/always on and I can't get it to double tap by itself anymore. Worth trying for others with similar problem!
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Related

Keyboard issue

Does anyone have problems with the android keyboard dissapearing? ?? And the only way to get it back is by restarting the phone?
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I have several issues with the keyboard including the one you mentioned.
If I plug it in to charge it kind if messes with the calibration and when I'm tying it seems like the phone thinks I'm touching all other parts of the screen (like hitting the backspace will type P's in the text field)
I've also experienced something with the new m.Facebook where ill tap on text field and it'll open up the keyboard but it'll hide again. I have to try to open it sometimes more than 7 or 8 times before it stays open.
I'm thinking of unrooting it and taking it to best buy (I got the protection for it) I've just been lazy about it lol.
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Risi2112 said:
I have several issues with the keyboard including the one you mentioned.
If I plug it in to charge it kind if messes with the calibration and when I'm tying it seems like the phone thinks I'm touching all other parts of the screen (like hitting the backspace will type P's in the text field)
I've also experienced something with the new m.Facebook where ill tap on text field and it'll open up the keyboard but it'll hide again. I have to try to open it sometimes more than 7 or 8 times before it stays open.
I'm thinking of unrooting it and taking it to best buy (I got the protection for it) I've just been lazy about it lol.
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Click to collapse
Which charger were you using when the touch screen problem happened?
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Which ever charger is at work lol. I think its the moto one that comes with the Droid x (cuz thats what my coworker has)
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rhcpcjg said:
Does anyone have problems with the android keyboard dissapearing? ?? And the only way to get it back is by restarting the phone?
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Click to collapse
My keyboard will sometimes partly disappear and become unresponsive. It gets really weird when I switch the phone back and forth from landscape. The only way to fix it for me is to restart the phone.
Sent from my Nexus S using Tapatalk
Risi2112 said:
Which ever charger is at work lol. I think its the moto one that comes with the Droid x (cuz thats what my coworker has)
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Click to collapse
If I use a third party charger from china to charge my Nexus S, the touchscreen goes crazy too lol. The original charger doesn't do that
The worse offense of the keyboard is still the double-letter glitch with the first letter of words (for "eexample"). Still rampant since 2.3.3.
If y'all want to add your recent experiences to the keyboard glitch report I filed with Google, please do: http://code.google.com/p/android/issues/detail?id=14755
I have the same issue. The keyboard will disappear and they will just be empty space where it was. If you remember where the buttons are u can still type its there u just can't see it (great, right! ) . I am running stock 2.3.3 and I have done a factory reset for that and other issues but it comes back. I have to turn the phone off and back on to resolve.... until it comes back at least. Happens at least once a week sometimes a lot more sometimes less. Either way, very annoying.
So, no, it's not just you.
markatl84 | T-Mobile |Samsung Nexus S

Phantom touchs

I've been dealing with a phantom touch issue with my shift. Pefectly centered in on the botto of the screen where it hits the phone button in sense. Its looking like a hardware issue.
My question is, has anybody else experienced this and has anybody dealt with taking a rooted phone back to sprint for service?
Thoughts?
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infinitedreck said:
I've been dealing with a phantom touch issue with my shift. Pefectly centered in on the botto of the screen where it hits the phone button in sense. Its looking like a hardware issue.
My question is, has anybody else experienced this and has anybody dealt with taking a rooted phone back to sprint for service?
Thoughts?
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Click to collapse
I had a weird issue where an area (the left side of the screen 2mm strip) on the touchscreen didn't work at all. I used the one zip RUU back to stock and brought it in and they gave me a new slider (whole top portion). Just happened 2 weeks ago.
I have bad problems with that and screen protectors, especially when it's really hot and humid (like everyday here in tampa)
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At first I thought it was the screen protector, but the problem persisted after I stopped using them. And then I thought it was a bad rom or rom install, so I tried 3 different ones with no change. So ill just update myself to the OTA GB and take it in for service.
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Did the rooted update to GB and it seems to have gotten rid of the phantom touch issue. I ended up having to do a factory reset when I did it, so maybe that helped. Glad I don't have to deal with customer support now. There always seems to be a line when I go in.
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cachorropedorro said:
I had a weird issue where an area (the left side of the screen 2mm strip) on the touchscreen didn't work at all. I used the one zip RUU back to stock and brought it in and they gave me a new slider (whole top portion). Just happened 2 weeks ago.
Click to expand...
Click to collapse
Just want to say you're not alone, this happened once temporarily on my G2. It made pressing the "s" and "a" keys on the on-screen keyboard almost impossible!

Screen ptoblem, touch response...

Please help me. The top part of my screen does not react to touch imput anymore. There are no scratches or visible dammage to the screen. What could cause this? It only affects the top half inch of the screen. When i try to select email in my inbox, the top email does not select.
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This has happened to me and a few others, my solution was getting a new phone unfortunately as nothing I did worked.
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JaronBang said:
This has happened to me and a few others, my solution was getting a new phone unfortunately as nothing I did worked.
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Click to collapse
Similar thing happened to my girlfriends atrix. She lost touch down the left center of the screen. Would not respond to touches from top to bottom .25" from the left side. Factory restoring and/or SBF did not fix this issue. Hell once I restored it I couldnt even setup blur as the E and W wouldnt work on the keyboard. Also, she couldnt unlock it without it being a major PITA. Warranty replaced and all is good
Thx for the replyes. How do i get a warranty replacement? Phone was bought at cosco when it came out.
Also da i still have warranty if i rooted and turned on wifi hotspot?
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Anyone else sometimes experience touches not registering on the touchscreen?

Randomly it seems, when I tap on the touchscreen on my new N7 2013, nothing happens, and I have to repeat the process several times before my touches are registered.
Does anyone else have this problem?
Macmee said:
Randomly it seems, when I tap on the touchscreen on my new N7 2013, nothing happens, and I have to repeat the process several times before my touches are registered.
Does anyone else have this problem?
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Click to collapse
See my thread titled " Another touch issue, with reproducible steps".
Go into developer options and enable "Show touches" and "Pointer location"
If you see your touches registering but the app isn't responding, it is probably a problem with the app. If you see random stuff on the screen, probably a problem with the digitizer or digitizer in combination with the driver/software in this release.
Ive experienced this a few times and it seems to be a software /hardware interface issue with particular custom rom builds ive installed. I know the touchscreen hardware itself was fine when I forced reboot into recovery and the touchscreen worked as normal in custom recovery.
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Is everyone experiencing this or is it only certain units. Mine does it even when holding and firmly pressing. Gonna take it back and try another if its not all.
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dcaplinger76 said:
Is everyone experiencing this or is it only certain units. Mine does it even when holding and firmly pressing. Gonna take it back and try another if its not all.
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Are you running yours stock
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I am and I'm experiencing same problem I have 32gb stock and installed all updates... Actually did not have problem till update 4.3
Sent 4rm my Paranoid Nexus 4.3 LTE...
kayone73 said:
Are you running yours stock
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Yeah totally stock.. this was happening last night and actually today it hasn't happened in the 20 minutes I messed around while working. Gonna hang onto it for now unless it creeps back up
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dcaplinger76 said:
Is everyone experiencing this or is it only certain units. Mine does it even when holding and firmly pressing. Gonna take it back and try another if its not all.
Sent from my SPH-L720 using xda premium
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Click to collapse
I wouldn't. If you had a Verizon Galaxy Nexus when it came out, you'll remember that it had the same issue with certain points on the screen (lower right hand corner) when using multi-touch applications. The entire screen would either stop seeing input or start going erratic and creating faulty inputs that weren't happening. It isn't a hardware issue, proven by some users experiencing it and some not. The only time I've experienced it is in the Netflix application while trying to choose a show to watch. I re-boot the application and viola, no more issue. Some in this thread even are stating that they only see the problem sometimes after getting the 4.3 update.
In short, it's software and not hardware.
Same issue when not touching with both hands somehow (like if the tablet is flat on a table).
Sent from my Nexus 7 using xda app-developers app
Haven't had a problem with mine. I just got it today, and it's worked like a charm. I bought mine from Gamestop if that helps any.

Unresponsive home button?

I've been playing with my note 3 for a couple of days now and I've noticed that my home button sometimes does not work. I can feel the physical click when I push the button, but the phone doesn't respond accordingly. So, I'll have to push again (and again).
Anyone else experiencing this?
I think I'll have to take it back for a replacement because it feels like a mechanical issue, not a software issue.
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WilburNJ said:
I've been playing with my note 3 for a couple of days now and I've noticed that my home button sometimes does not work. I can feel the physical click when I push the button, but the phone doesn't respond accordingly. So, I'll have to push again (and again).
Anyone else experiencing this?
I think I'll have to take it back for a replacement because it feels like a mechanical issue, not a software issue.
Sent from my SM-N900V using xda app-developers app
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Click to collapse
That's not normal. It sounds like a mechanical problem to me as well. I would bring it in for a replacement.
If anything goes wrong and you can't get it fixed or replace it you can use on screen buttons
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I don't like the quality of the home button at all. It floats around and often becomes very stiff to push. Compared to my N2 and my boss's s4 and it's definitely not up to par.
Having a business account and dealing with the reps in my local store I'm thinking about going for a replacement device(without any hassle)...Maybe I'll check it out on the display models first.
Anyone else notice this?
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