[Q] Screen going crazy?! - LG Optimus 3D

Every now and then, the touchscreen will start taking screen touches in wierd ways. It will respond in taking it in the normal place, but also in several others, which makes typing or even turning it off impossible without removing the battery. Anyone else had this problem, and any solution? Thanks for the help

I have this problem when using the phone while in charge. But only using usb cable with usb charger.
Direct chargers don't have the problem
Sent from my LG-P920 using XDA

Happens to me whn my phone gas been on for a long time
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Related

Touch Screen Issues (ideas plz)

Hello fellow G2X owners. Need some opinions from people with experience in tinkering with electronics.
My touch screen would lock up and would only become responsive after toggling the power button. Also, it would make random touches by itself while just sitting on the table. This made me suspect maybe a grounding issue. I was really praying that wasn't the issue because I bought this phone from eBay so I don't have a warrenty.
After doing a lot of Google searches I found iPhone users had similar problems in which they said the techs would clean and reseat the digitizer connector. I thought that would be my only hope of fixing this issue so after reading that, it reassured me this was something I could fix. I went ahead and broke the phone down and cleaned all the connectors since I had it open and then reseated them. This seems to have helped a lot but the issue is still persisting but thankfully on a much smaller scale. The screen still becomes unresponsive once in awhile and still makes random touches when the phone is just sitting on the table. Like I said, its not doing this nearly as much as it was, but I want to completely eliminate this issue.
Any suggestions would be appreciated. Thanks guys!
Sent from my LG-P999 using XDA App
Just send it to LG and not T-Mobile. U should have warranty
Could you explain a little more please. This phone was used so I would assume it had a limited warrenty from LG that has run out by now. Also, when I broke this phone down, I didn't find any seals that would show evidence of tampering with the device thus breaking any warrenty. Makes me wonder if this phone was been opened before.
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Has a one year warranty through LG and since the g2x hasn't yet been out for a year......
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I bought this phone new, and I can't find the seal anywhere either, don't worry.
Just wondering if u have any case on the phone? I found a little bug on the Trident aegis if unplug the USB rubbery port and replug it after about 10 secs the screen wont work but when u unplug it it works again. Its hard to explain but maybe ill make a video on it if everyone wants one
Sent from my LG-P999 using xda premium
Yes, I have that exact case your talking about. If that's really what's causing this, I'm surprised I haven't noticed. Even more surprised how a piece or rubber could do that. Strange though, I actually took the case off earlier before reading your post and haven't had a single issue in the past hour. I will do some testing of this theory.
Edit: after looking into it I releazied the rubber flap that covers the USB doesn't actually touch anything but the external housing. The audio jack cover however, actually sticks inside the jack port.
Sent from my LG-P999 using XDA App
Ok I thought it was just me. Take something metal and touch the rubber to discharge it. Works for me for like a 1 week.
Sent from my LG-P999 using xda premium
I, too, have been having this issue, as I posted in this thread: Link
and showed in this video:
Link
At first I thought it was a software issue due to the randomness of the occurrence, but now I'm pretty sure it's hardware as a firm push at the top section of the screen often helps, as does a firm whack, but only for a minute or 2, tops.
Pressing power always helps, but holding it doesn't. Taking apart the phone and reseating all the connectors (I wasn't sure which one the digitizer was though, so I didn't clean any) barely helped.
Input is always appreciated
I found that g2x touchscreen acts crazy when used with one of my usb cables.
Looks and acts like a touchscreen problem.
Could this be related to your issue?
Are you charging or connected to computer when it occurs?
androph said:
I found that g2x touchscreen acts crazy when used with one of my usb cables.
Looks and acts like a touchscreen problem.
Could this be related to your issue?
Are you charging or connected to computer when it occurs?
Click to expand...
Click to collapse
Low quality USB chargers / cables can cause issues, but I've only ever encountered that on my Galaxy Spica, and my issue appears both when charging and when not.
Not sure about OP though; don't want to thread hijack, but the issue sounds similar.
Naw, it'll happen no matter what. Been 24 though now without that case and not a single problem. If it goes a week with no case and no issues, I'm gonna sign it off as the case being the culprit. Hate not having a case. Not having a case is what forced me into buying a new phone.
Sent from my LG-P999 using XDA App
Did u tty to trick I told u?
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moeahmad1995 said:
Did u tty to trick I told u?
Sent from my LG-P999 using xda premium
Click to expand...
Click to collapse
What trick?
Sent from my LG-P999 using XDA App
Hold a metal screw on the rubber plug thing. I also rebooted surfing the process. This night be a gimmick but it worked for me. Try and tell us if it worked
Sent from my LG-P999 using xda premium
Naw haven't tried that yet. I'd rather just make sure its the case first, then I'll see about discharging any static built up in the case. I am currently in a very dry climate and would probably have to discharge it fairly often.
Sent from my LG-P999 using XDA App
Ok well I'm glad I'm not the only one. Shoulda posted this find but I didn't know if it was just a user mistake or not.
Sent from my LG-P999 using xda premium
Well after a week with the case on and a week with the case off, I can't really say it is the case. Its been well over a week since I've had any issues so I'm hoping that whatever it was has worked itself out.
Sent from my LG-P999 using XDA App
Well that's good it worked. Probably since u didn't use the case it didn't have any static stuff. Its hard to explain.
Sent from my LG-P999 using xda premium
I just received this phone from ebay today and am having the same exact problem, no case, I've had it for only a couple hours, any ideas?

Touch screen response while charging

Hey all. I've asked this before in a couple rom threads but my post gets buried pretty quick and I figured this would be the more appropriate place.
Anyways, I have an issue where the touch screen whacks out when my phone is plugged in. I am using the factory charger and it happens on any rom / kernel combination I have tried. I have issues swiping the lockscreen and typing on the keyboard when its plugged in. Almost like its unresponsive. Any ideas to try?? Thanks in advance.
Sent from my SAMSUNG-SGH-I727 using XDA App
I had the same exact problem. So I tryed an HTC charger I had laying around and it worked perfectly. I'm guessing its like a faulty charger. I suggest switching the charger.
Sent from my SAMSUNG-SGH-I727 using XDA App

Battery issue

I was having prior issues with my phone randomly going into bootloop and resetting if I hit the back of the phone even the slightest. A member suggested putting a folded up piece of paper in the back and it fixed it. Thanks Klathmon!
So, now I am having another issue. The phone will charge and will randomly stop charging even while it is plugged in. I have to reset the phone in order to continue charging.
I HAVE ORDERED A NEW BATTERY. It's coming in the mail. T-Mobile tacked on $7 to my bill. Which is already at $95. I feel like I'm getting raped! I love T-Mobile though!
Sent from my LG-P999 using xda premium
codecaine21 said:
I was having prior issues with my phone randomly going into bootloop and resetting if I hit the back of the phone even the slightest. A member suggested putting a folded up piece of paper in the back and it fixed it. Thanks Klathmon!
So, now I am having another issue. The phone will charge and will randomly stop charging even while it is plugged in. I have to reset the phone in order to continue charging.
I HAVE ORDERED A NEW BATTERY. It's coming in the mail. T-Mobile tacked on $7 to my bill. Which is already at $95. I feel like I'm getting raped! I love T-Mobile though!
Sent from my LG-P999 using xda premium
Click to expand...
Click to collapse
Me, too
When charging battery precent is freezing and some times 4g data is droping
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sukhochir said:
Me, too
When charging battery precent is freezing and some times 4g data is droping
Sent from my LG-P999 using xda premium
Click to expand...
Click to collapse
That sucks! I don't have that data drop issue but if I'm on wifi and go out of range the data doesn't work. I have to turn off the wifi first then toggle my phone's airplane mode. It works on the first try 90% of the time. Occasionally, I have to do it more than once.
I'm using CM7 Stable version 7.1 Maybe I should try the latest and see if that fixes it. What is the latest now, version 7.2? I haven't gotten around to it cuz last time I went to the site it was down.
Hopefully the new battery will eleviate all my battery issues!
Sent from my LG-P999 using xda premium
i think battery issue is when charging airplane mode,
after airplane mode off lock phone press power button in lock screen incressed battery precent
I also have this problem
sometimes the charging battery precent is not moving and some times 4g data is droping, what is this problem?
Having similar issue with battery
My g2x is intermittently charging and discharging while plugged in, regardless of power cable or outlet. Was having problem before I rooted so I know that has nothing to do with it.
TeamJTB said:
My g2x is intermittently charging and discharging while plugged in, regardless of power cable or outlet. Was having problem before I rooted so I know that has nothing to do with it.
Click to expand...
Click to collapse
I had the same problem. Except my issue was the power cable. I would use it while it was charging and I guess that loosened up the inside of the housing on the end of the cable. I replaced the cable and problem solved. At first I was afraid it was the charging port.
Maybe thats your issue, the cable counterpart. The charger port in your phone. If that's loose, it could most likely be the culprit of your intermittent charging.
Sent from my LG-P999 using xda premium
My port came loose I think on my device, if I charge the phone and have it on my bed... I seem to wrestle with it in my sleep or something haha, it comes loose very easily now can't really move it much at all without it disconnecting itself, very annoying!
Sent from my LG-P999 using xda premium
mt3g said:
My port came loose I think on my device, if I charge the phone and have it on my bed... I seem to wrestle with it in my sleep or something haha, it comes loose very easily now can't really move it much at all without it disconnecting itself, very annoying!
Sent from my LG-P999 using xda premium
Click to expand...
Click to collapse
Buy a external wall charger for <5$ including shipping off eBay/Amazon I never plug my phone in any more ... always a full battery waiting on the charger
Pin it to Win it.
I've been meaning to do that with some extra batteries for a while now, forgot though lol. Thanks man.
Sent from my LG-P999 using xda premium
Figured it out. Tried my old mytouch charger and it worked just fine. Thanks!
Sent from my LG-P999 using XDA
mt3g said:
My port came loose I think on my device, if I charge the phone and have it on my bed... I seem to wrestle with it in my sleep or something haha, it comes loose very easily now can't really move it much at all without it disconnecting itself, very annoying!
Sent from my LG-P999 using xda premium
Click to expand...
Click to collapse
Ha, the same thing happens to me, however it was my damn cat attacking the cord because it fell on his tail and that meant war!
I.R.Chevy said:
Buy a external wall charger for <5$ including shipping off eBay/Amazon I never plug my phone in any more ... always a full battery waiting on the charger
Pin it to Win it.
Click to expand...
Click to collapse
You don't happen to have a link do you?
http://item.mobileweb.ebay.com/viewitem?itemId=190570509347&index=2&nav=SEARCH&nid=97769071159
Much appreciations.
codecaine21 said:
http://item.mobileweb.ebay.com/viewitem?itemId=190570509347&index=2&nav=SEARCH&nid=97769071159
Click to expand...
Click to collapse
That store is like 15 miles away from me hahahaa
Sent from my LG-P999 using xda premium
mt3g said:
That store is like 15 miles away from me hahahaa
Sent from my LG-P999 using xda premium
Click to expand...
Click to collapse
That's awesome! No 3 week wait for you lol you can probably get it for close to nothing too! Practically free. Sure beats radio shack!
Sent from my LG-P999 using xda premium

[Q] Erratic Ghost Touches

Has anyone had a problem with their nexus 5 where the screen would randomly start pressing things? It usually happens multiple times and is very erratic. Contacted Google and will send back for a replacement just wondering if anyone else is having this issue.
Yap, me too.
Had it a while back but it seems to have stopped.
Sent from my Nexus 5 using Tapatalk
Never anything like that but what I have done a few times is my palm touches the bottom right of the screen when I reach for the top left corner while right handing it. Coming from an iPhone so I guess it took a bit to get used to the larger screen
I requested for a replacement to Google Play this morning. They send it this evening. I should
get my replacement early next week. Good service I would say.
I'm glad I'm not going crazy! This is happening to me too! Is there any way to resolve this without having to go through the RMA process?
Only While Charging
I'm getting some erratic touch behavior, but only when the phone is charging. I take it off the charger and it seems fine.
I'm not getting total phantom behavior, but when I swipe from home screen to home screen, sometimes an app will get activated. Same with pulling down the notification area.
It makes me think there's a charge leaking through to the display components somehow.
I'm going to give it a week and then RMA it if it doesn't go away.
I have it too
I have it too but only when I connect my USB to the computer...
It's sucks cos I'm an app developer...
Is there any fix for that?
ofear said:
I have it too but only when I connect my USB to the computer...
It's sucks cos I'm an app developer...
Is there any fix for that?
Click to expand...
Click to collapse
Sounds like a dodgy USB cable or port.
Same issues with my Nexus 4
I notice my issue is mostly when my phone is charging or when I'm using my mobile hotspot. Tends to get extra warm when im using both. Which leads me to believe its an overheating issue (the heat is throwing off the digitizer causing it to maybe think its being touched?) Is anyone else noticing the same?
Yes, but only while on wireless charger and even then only sometimes.
I take it off, push power button twice and it's gone.
I'm also experiencing this if my Nexus 5 is charging using the original Wall charger and cable.
Still no fix for this? Really annoying, I need to unplug my phone to the charger so that I can use it again normally
Same issue here
https://code.google.com/p/android/issues/detail?id=62748
This usually happens when you use some other charger/usb cable than the original one
Sent from my iPad using Tapatalk
This also sometimes happens when you have wet or moist fingers
Sent from my Nexus 5 using XDA Premium 4 mobile app
I'm using original cable and wall charger. I also don't have wet finger or hand when experiencing this issue
Sent from my Nexus 5 using xda app-developers app
I also have the same problem only when otg or pic is connected through usb

Touch screen responsiveness problem?

Well this is weird. This morning I woke up and grabbed my G from next to my bed and the touch screen is being all slow and not responsive. I can't swipe left or right without doing it very slowly and deliberately. Same thing with bringing down my notification drawer.
Its making the phone near unusable. Even to type this all out I couldn't use Google keyboards swipe typing feature and have to hit each individual button really slowly.
Anyone know what could be causing this?
Sent from my XT1034 using xda app-developers app
Ravinxx said:
Well this is weird. This morning I woke up and grabbed my G from next to my bed and the touch screen is being all slow and not responsive. I can't swipe left or right without doing it very slowly and deliberately. Same thing with bringing down my notification drawer.
Its making the phone near unusable. Even to type this all out I couldn't use Google keyboards swipe typing feature and have to hit each individual button really slowly.
Anyone know what could be causing this?
Sent from my XT1034 using xda app-developers app
Click to expand...
Click to collapse
Install this and see how it behaves https://play.google.com/store/apps/details?id=multitouchpro.tests&hl=es
Thanks for that useful little app. It registers all my fingers fine, and its good if I swipe slowly, but if I swipe too fast it loses my finger for a second, which I guess is why I have a problem swiping.
I have no idea what's causing this still though since its been working fine for the past month.
Sent from my XT1034 using xda app-developers app
Ravinxx said:
Thanks for that useful little app. It registers all my fingers fine, and its good if I swipe slowly, but if I swipe too fast it loses my finger for a second, which I guess is why I have a problem swiping.
I have no idea what's causing this still though since its been working fine for the past month.
Sent from my XT1034 using xda app-developers app
Click to expand...
Click to collapse
Have you tried turning it off and on again?
Do you by any chance have the charger plugged in while doing this? (My nexus 4 screen acts that way when I connect the wall charger)
Have you tried resetting it?
It's not plugged in, I did try rebooting it but not a reset. I'll have to give that a try now.
Sent from my XT1034 using xda app-developers app
Same here, part of the screen is unresponsive, except if you move your finger very slowly.
I have the problem described by OP if I am charging with a high ampere charger. It is solved by me by turning the screen off and on after unplugging it.
I forgot to update. The problem just kind of fixed itself over a few hours. I took it to work and it was still having the problem, and then I took it out of my pocket a few hours into my shift to check a text and it was working like usual.
I dunno. Magic I guess.
Sent from my XT1034 using xda app-developers app
Could be that the cpu got underclocked for a while?
Using any cpu overclocking apps?
Ravinxx said:
I forgot to update. The problem just kind of fixed itself over a few hours. I took it to work and it was still having the problem, and then I took it out of my pocket a few hours into my shift to check a text and it was working like usual.
I dunno. Magic I guess.
Sent from my XT1034 using xda app-developers app
Click to expand...
Click to collapse
Guy who did a waterproof test on the Moto G encountered the same issues you described. As the phone dried out the screen slowly came back to life and became responsive again.
I suspect that you have moisture egress into the device, it could cause a strange capacitance differential affecting the digitiser, or even just a short.
Have you used the phone, in shower room, in pocket while exercising. In rain. Taken it from cold outdoors, into very warm indoors. All these things can cause moisture to condense inside the device.
If it happens, the symptoms will reduce as the phone completely dries out...
..
Facing Same Issue
Hello, I am also facing same issue only when my Moto G is connected to Wall Charger [Be it switched Off or On]. Can any body please help me resolve this issue? Or Do we actually have a solution for the problem stated?
same issue
Hi i have the same issue, please someone knows how to fix it or why it happens ? In my phone the problem appears and solve for itself but after a while the problem appears again
I'm also in the same boat..
Sent from my XT1033 using XDA Premium 4 mobile app
still not working
I made the multitouch test and all works fine, it seems like is a software problem but i don't know wich one is failing. I hide the navbar with gravitybox, could this be the cause of the problem ?
definitely your charger I had the same problem when using a generic charger... try a different charger
Sent from my XT1028 using xda app-developers app
Last night i charged vía usb with my notebook but the problem remains
el_bigote said:
I made the multitouch test and all works fine, it seems like is a software problem but i don't know wich one is failing. I hide the navbar with gravitybox, could this be the cause of the problem ?
Click to expand...
Click to collapse
this behavior happens to me with stock keyboard in whatsapp, after star typing and pressing the "a" key in loop, press the home button and start multitouch test (YAMT) and the screen area that is not responding is where the "a" key is located....
after a while the screen start to response in a normal way...
i tried swift keyboard and guess what.... the same issue again....
this is weird...
note: try to remove the grip shell
Solved,
Okay so I had this issue just now and i got worried, but there is nothing to worry about. The problem is in the charger, use a different charger
my 2 have done this a couple times and I think they were charging at the time. I unplugged the charger but no change. Then I removed the silicone cover I put on and it immediately worked fine both times I did it. I did not turn phone off or reboot. It did not start this trick until I put the covers on. Covers barely touch the screen on the sides. When I replaced cover it still worked until the next time it became unhappy with the cover. Anybody else...................
Update-just checked my other phone. I removed cover w/o unplugging and it did not restore it. Unplugged charger and it was fine. Almost seems like both are contributing to it. more research necessary..........
Maybe the phone just wants to be fondled???????
helppme said:
Guy who did a waterproof test on the Moto G encountered the same issues you described. As the phone dried out the screen slowly came back to life and became responsive again.
I suspect that you have moisture egress into the device, it could cause a strange capacitance differential affecting the digitiser, or even just a short.
Have you used the phone, in shower room, in pocket while exercising. In rain. Taken it from cold outdoors, into very warm indoors. All these things can cause moisture to condense inside the device.
If it happens, the symptoms will reduce as the phone completely dries out...
..
Click to expand...
Click to collapse
thank god for this, how long will it take to final all dry out?

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