[Q] unresponsive touch screen - Nexus 4 Q&A, Help & Troubleshooting

My screen sometimes unresponsive touch ,but when i press the lock screen and turn it on again..it back as normally , is this hardware problem or 4.3 issue ?
this is really annoying me

Don't have such issue here, what rom and/or kernel are you using?
Sent from my Nexus 4 using Tapatalk 4

i'm using stock rom , --'' i believe this hardware problem..sighh

Diondee said:
i'm using stock rom , --'' i believe this hardware problem..sighh
Click to expand...
Click to collapse
Stock Android 4.3 really is full of bugs, try a custom rom to see if that gives it a knock to the head.
Sent from my Nexus 4 using Tapatalk 4

I don't believe I have experienced any such bug with 4.3 - I believe the bugs you mention are on the side of devs not updating their apps for 4.3.
Instead of randomly flashing a ROM without knowing where the problem lies, consider trying to narrow down when exactly this problem occurs.
Can you reliably reproduce it?
It may be hardware related, being on stock at least rules out your problem is caused by bugs in a custom ROM.
Are you rooted? Did you overclock/undervolt with a custom kernel? Are you running any apps to modify the lockscreen?
Sent from my Nexus 4 using Tapatalk 4

naenee said:
I don't believe I have experienced any such bug with 4.3 - I believe the bugs you mention are on the side of devs not updating their apps for 4.3.
Instead of randomly flashing a ROM without knowing where the problem lies, consider trying to narrow down when exactly this problem occurs.
Can you reliably reproduce it?
It may be hardware related, being on stock at least rules out your problem is caused by bugs in a custom ROM.
Are you rooted? Did you overclock/undervolt with a custom kernel? Are you running any apps to modify the lockscreen?
Sent from my Nexus 4 using Tapatalk 4
Click to expand...
Click to collapse
Happened to mine too. When I make a phone call or when I receive one touch is unresponsive until lock and unlock.
Inviato dal mio Nexus 4 usando Tapatalk 4

This is between the surfaceflinger and the kernel which contains the touch driver.
Try using the Nexus Factory Image Flasher tool from Google Developers and see if that helps, this will wipe all your data and I mean ALL so move your files to an external source.
Sent from my Nexus 4 using Tapatalk 4

Related

(Q) to people who stay on stock and don't root..

Don't take this offensively... But I want to ask people who don't root their Nexus 7, why don't you? It seems like people who aren't rooted are running into problems more than the people who are rooted.
Sent from my Nexus 7 grouper running Clean ROM 4.0 (4.3 stock rooted) owned by an MSMC diamond camo try hard.
Even though I have all my phone rooted I never considered rooting the tablet. It runs stable enough, is a nexus device so will be updated to the latest android version which the hardware supports and most importantly Sky Go doesn't work reliably on rooted devices
https://twitter.com/d3xp2pc
Sent from my Nexus 7 using Tapatalk Beta 4
d3xp2pc said:
Even though I have all my phone rooted I never considered rooting the tablet. It runs stable enough, is a nexus device so will be updated to the latest android version which the hardware supports and most importantly Sky Go doesn't work reliably on rooted devices
https://twitter.com/d3xp2pc
Sent from my Nexus 7 using Tapatalk Beta 4
Click to expand...
Click to collapse
My example of the tablet not running reliably is the EMMC slow down because fstrim wasn't enabled until 4.3 by default. While rooted, you had the option of manually running fstrim or using an app to do it. Though Sky Go seems like a reason I'd stay away from rooting. Some apps even bar you from using them. I'd probably using OTA Root Keeper and temporarily disable root.
Sent from my Nexus 7 grouper running Clean ROM 4.0 (4.3 stock rooted) owned by an MSMC diamond camo try hard.
TheLastSidekick said:
My example of the tablet not running reliably is the EMMC slow down because fstrim wasn't enabled until 4.3 by default. While rooted, you had the option of manually running fstrim or using an app to do it. Though Sky Go seems like a reason I'd stay away from rooting. Some apps even bar you from using them. I'd probably using OTA Root Keeper and temporarily disable root.
Sent from my Nexus 7 grouper running Clean ROM 4.0 (4.3 stock rooted) owned by an MSMC diamond camo try hard.
Click to expand...
Click to collapse
I've never really experienced any slowdown, but strangely enough I was watching an xda video this morning about something related. I have tried OTA Root Keeper and similar apps and Sky Go seemed to detect them. Only way I found to do it was to as you say temp unroot, uninstall super user app etc. Found it too much of a pain.
If I did start experiencing issues like slowdowns etc, I wouldn't hesitate to root. One thing I am missing is per app DPI settings from PA.
https://twitter.com/d3xp2pc
Sent from my Nexus 7 using Tapatalk Beta 4
d3xp2pc said:
I've never really experienced any slowdown, but strangely enough I was watching an xda video this morning about something related. I have tried OTA Root Keeper and similar apps and Sky Go seemed to detect them. Only way I found to do it was to as you say temp unroot, uninstall super user app etc. Found it too much of a pain.
If I did start experiencing issues like slowdowns etc, I wouldn't hesitate to root. One thing I am missing is per app DPI settings from PA.
https://twitter.com/d3xp2pc
Sent from my Nexus 7 using Tapatalk Beta 4
Click to expand...
Click to collapse
Nandroid your stock setup, and go back to PA buddy lol. I'm sure there's a way around Sky Go and someone else has had the same problem.
Sent from my Nexus 7 grouper running Clean ROM 4.0 (4.3 stock rooted) owned by an MSMC diamond camo try hard.
Might be my project for tomorrow lol
https://twitter.com/d3xp2pc
Sent from my Nexus 7 using Tapatalk Beta 4
d3xp2pc said:
Might be my project for tomorrow lol
https://twitter.com/d3xp2pc
Sent from my Nexus 7 using Tapatalk Beta 4
Click to expand...
Click to collapse
Here, maybe try this for bypassing those pesky I have root problems.
https://play.google.com/store/apps/details?id=com.amphoras.hidemyroot
Edit : may not work if you are on 4.3 unfortunately.
Sent from my Nexus 7 grouper running Clean ROM 4.0 (4.3 stock rooted) owned by an MSMC diamond camo try hard.
TheLastSidekick said:
Here, maybe try this for bypassing those pesky I have root problems.
https://play.google.com/store/apps/details?id=com.amphoras.hidemyroot
Edit : may not work if you are on 4.3 unfortunately.
Sent from my Nexus 7 grouper running Clean ROM 4.0 (4.3 stock rooted) owned by an MSMC diamond camo try hard.
Click to expand...
Click to collapse
I did actually use this and it did work on 4.2.2
Only problem is you have to re-authenticate all your root apps. Not a big issue, I suggested to the author that before uninstalling the root app it backed up the data then restored it on reinstalling.
https://twitter.com/d3xp2pc
Sent from my Nexus 7 using Tapatalk Beta 4
What about using multi-ROM to dual boot a rooted ROM and a bone stock ROM? It would be the best of both worlds and you'd only need a simple reboot to switch back and forth.
Sent from my Nexus 7 using xda app-developers app

[Q] Strange vertical lines on screen since updating to Android 4.3

I got the Android 4.3 OTA update more than two weeks ago. Since that time strange vertical lines starts to flicker when I do not touch the screen (See attached screenshot). The first time when I can see these ugly lines after turning on my device is the PIN code entering screen. After that I can see them on the home screen and every app as well. The problem does not occur if I charge my device.
This issue has nothing to do with developer options. I tested it with "disable HW overlays" option and other settings as well but it does not change anything with this. I also tried a factory reset and restoring a clean Android 4.3 using google's factory image for nexus 4.
It can not be a hardware issue because you can see it on the screenshot that was taken with my device. Furthermore, I had no problem with Android 4.2.2.
Has anyone encountered this problem? Can anyone help me?
Ewww, looks like a kernel graphical glitch.
You will have to reflash the kernel, do you have a custom recovery?
Sent from my Nexus 4 using Tapatalk 4
andyabc said:
Ewww, what is enabled in developer options?
Sent from my Nexus 4 using Tapatalk 4
Click to expand...
Click to collapse
Currently nothing is enabled. I turned off every developer options. But I tried with different options from the "Hardware accelerated rendering" category. These options have no effect on the problem.
andyabc said:
Ewww, looks like a kernel graphical glitch.
You will have to reflash the kernel, do you have a custom recovery?
Sent from my Nexus 4 using Tapatalk 4
Click to expand...
Click to collapse
No I don't. What does a custom recovery mean? I don't want a custom OS. I want to use stock Android 4.3
are you rooted? Custom kernel?
Sent from my Nexus 4 using xda app-developers app
reiko09 said:
are you rooted? Custom kernel?
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
No, my phone isn't rooted and I don't use a custom kernel.
Do a factory reset ? If that doesn't work you can always flash the img file through adb. But in order to that you would have to unlock boot loader
Sent from my Nexus 4 using xda app-developers app
dia_naji said:
Do a factory reset ? If that doesn't work you can always flash the img file through adb. But in order to that you would have to unlock boot loader
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
I have already done that but I got the same result.
world_cup said:
No I don't. What does a custom recovery mean? I don't want a custom OS. I want to use stock Android 4.3
Click to expand...
Click to collapse
A custom recovery is a recovery like on a computer but it is not stock so on Android there are Recovery's such has TWRP and CWM.
Flashing the stock kernel via recovery will not replace the Android OS, just the broken kernel.
Basically a custom recovery let's you wipe your device in many ways, repair the OS, Backups, Flashing kernels/ROMs/Fixes/Addons and much more.
If that fails then unlock the bootloader, go to the bootloader and use this tool to get everything back to normal: https://developers.google.com/android/nexus/images#occamjwr66v
EDIT: Oops, flashing a custom recovery does not fix the kernel in the same time of course, you will have to flash that kernel using the flash feature.
Sent from my Nexus 4 using Tapatalk 4

[Q] [HELP] No Voice only while calling

Hi there
I have a strange problem with my i9505 i get it used so i don't really know what happend with this phone so my Problem is that my sgs4 just
don't let me any call anybody cause the person then can't hear me and i can't hear anything either on no way incoming and selfmade calls i became it with Android 4.2.2 stock non rooted did factory reset didn't helped now i'm on google edition rom rooted and it doesn't work either any suggestions or solutions ??
It doesn't work with any speaker not even headset
Thanks for any help
i have the same condition before, but the reason is that i flashed a custom kernel. Consider that your device is on the stock rom or google edition, i guess there maybe a hardware problem.
Sent from my GT-I9500 using xda app-developers app
jiant.li said:
i have the same condition before, but the reason is that i flashed a custom kernel. Consider that your device is on the stock rom or google edition, i guess there maybe a hardware problem.
Sent from my GT-I9500 using xda app-developers app
Click to expand...
Click to collapse
OK so what did you do to fix it
or which kernel and Rom do you using now (when all works fine)
I could/will/want test it to check it
And ans idea which Hardware part need to be replaced ? I tested the call speaker Ehen i was on stock with service codes and it works only calling is not avalible
Gesendet von meinem GT-I9505G mit Tapatalk 2

Problem with nexus 7 2012 wifi 32gb ayer kitkat update!

I updated to android 4.4 Kitkat from Google factory images today on my 2012 Nexus 7 wifi 32gb and if you take a look at this video I just recorded (sorry about the quality), at second 14 approximately, you will see that when booting up, after the Google logo and before the new moving Dots boot animation, there is a weird effect on the screen that last a fraction of a second.
Is this happening to everyone on their nexus 7 wifi 2012 after updating to kitkat or is it just me??
Please tell me if yours has the same weird effect as mine or not.
Thanks in advance for the help!
Here's the video.
https://plus.google.com/117696059667514325440/posts/TiRpbTedr3v
Enviado desde mi Nexus 4 mediante Tapatalk
That's some sort of a bootloop? I see your unlocked, are you rooted?
I had issues with it stuck on the 4 circles boot, ended up fastboot flashing both the boot and system image and now up and running fine.
Sent from my Nexus 7 using xda app-developers app
yolo2die said:
That's some sort of a bootloop? I see your unlocked, are you rooted?
I had issues with it stuck on the 4 circles boot, ended up fastboot flashing both the boot and system image and now up and running fine.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
No, actually it's not on a bootloop, the nexus 7 is up and running fine, the problem I'm trying to show is the graphical glitch that you can see on the video at second 14 when the tablet is booting up between the Google logo and the new color dots animation.
I need to know if someone is experiencing the same problem as me after updating to kitkat and turning it on.
Enviado desde mi Nexus 4 mediante Tapatalk
Same Thing
Yeah, it happens to me too.
I only noticed it after a few restarts, but I think it happens every time I reboot.
Yep, same thing here. On my end it looks like light-colored text output on a black background. It flashes by in a split second. Otherwise it boots and runs just fine.
Sent from my Nexus 7 using xda app-developers app
hassanfadil said:
Yeah, it happens to me too.
I only noticed it after a few restarts, but I think it happens every time I reboot.
Click to expand...
Click to collapse
CatThief said:
Yep, same thing here. On my end it looks like light-colored text output on a black background. It flashes by in a split second. Otherwise it boots and runs just fine.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Thank you guys for checking this out for me and letting me know!!
I was afraid that I was the only one with this problem
Do you think Google is actually aware of this problem??
Enviado desde mi Nexus 4 mediante Tapatalk
I just side loaded the update to my n7. When I rebooted it glitches like that. It looked like 4 boot loader screens, then it went to the boot animation.
Could be harmless.
Sent from my Nexus 4 using XDA Premium HD app
I managed to grab a screenshot from my own video. Turns out it's the "Backup Complete" screen from the system backup I did yesterday though TWRP. Why on earth would that flash by on every subsequent reboot? Very weird.
Sent from my Nexus 7 using xda app-developers app
CatThief said:
I managed to grab a screenshot from my own video. Turns out it's the "Backup Complete" screen from the system backup I did yesterday though TWRP. Why on earth would that flash by on every subsequent reboot? Very weird.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
That's odd, but I don't even have TWRP recovery on my Nexus 7, mine is completely stock.
I need to know if someone who is running completely stock kitkat is having the same issue I have please.
Thanks in advance!
Here's the screenshot of my video
Enviado desde mi Nexus 4 mediante Tapatalk
cammel said:
That's odd, but I don't even have TWRP recovery on my Nexus 7, mine is completely stock.
Click to expand...
Click to collapse
I actually recall seeing this oddity after applying the 4.4 update on stock recovery, unrooted. I used fastboot commands to flash boot.img and system.img from the Google factory image file. It appeared when I restarted. I didn't give it much thought at the time but did see that it kept happening on each reboot after that. I'm thinking what I saw might have been stock recovery. That's exactly what I am seeing in your screenshot, even the Android lying on his back.
Sent from my Nexus 7 using xda app-developers app
CatThief said:
I actually recall seeing this oddity after applying the 4.4 update on stock recovery, unrooted. I used fastboot commands to flash boot.img and system.img from the Google factory image file. It appeared when I restarted. I didn't give it much thought at the time but did see that it kept happening on each reboot after that. I'm thinking what I saw might have been stock recovery. That's exactly what I am seeing in your screenshot, even the Android lying on his back.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Yeah your right! That's the android bot lying on his back from recovery!!
I haven't noticed it!
So what the heck is wrong here??
Maybe I will try to flash back stock 4.3 image and see if this still happens, and if not, we'll know that is a little bug because of kitkat... Right?
Thanks for all your help!
Enviado desde mi Nexus 4 mediante Tapatalk
cammel said:
Maybe I will try to flash back stock 4.3 image and see if this still happens, and if not, we'll know that is a little bug because of kitkat... Right?
Click to expand...
Click to collapse
I would say KitKat for sure. Nothing like this ever happened on prior updates. Please do report back if you still see it after flashing back to 4.3. I'm assuming after that you'll be flashing 4.4 again.
Sent from my Nexus 7 using xda app-developers app
CatThief said:
I would say KitKat for sure. Nothing like this ever happened on prior updates. Please do report back if you still see it after flashing back to 4.3. I'm assuming after that you'll be flashing 4.4 again.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Ok, no problem. I'll let you all know how it went.
I'll flash 4.3 back to check if the problem is still there, and then I'll wait for the OTA and see what happens, cause maybe the OTA doesn't have this problem... But I doubt it... AND if the OTA takes to LONG to arrive I will be manually flashing kitkat again and see if the problem comes back...
I'll let your know!
Enviado desde mi Nexus 4 mediante Tapatalk
Well I did it and I realized that with 4.2 to 4.3 with the "X" animation this graphic glitch doesn't appear but than even after an OTA update from 4.3 to 4.4.2 this issue came back. Is this normal or does anyone have a solution for this?
cammel said:
Ok, no problem. I'll let you all know how it went.
I'll flash 4.3 back to check if the problem is still there, and then I'll wait for the OTA and see what happens, cause maybe the OTA doesn't have this problem... But I doubt it... AND if the OTA takes to LONG to arrive I will be manually flashing kitkat again and see if the problem comes back...
I'll let your know!
Enviado desde mi Nexus 4 mediante Tapatalk
Click to expand...
Click to collapse
rico_zuares said:
Well I did it and I realized that with 4.2 to 4.3 with the "X" animation this graphic glitch doesn't appear but than even after an OTA update from 4.3 to 4.4.2 this issue came back. Is this normal or does anyone have a solution for this?
Click to expand...
Click to collapse
*BUMP*
Has anyone any further info on this issue? Granted its not a major one, but just an annoying niggle with what has been a decent update to 4.4.2. This problem along with the ones below are the remaining bugs I have on my stock rooted N7.
Laggy lockscreen when woken up and rotated - Part of the screen get stuck in portrait/landscape while the other has rotated.
When in an app and pressing back to exit out of it, sometimes it bounces back to another app.
Small pixelised graphics glitch at the top of the screen when switching users.

Black Screen, Screen Freeze after flashing Stock JB using FlashTool

My LG G2 screen freezes and has black screen but the phone functions coz i can hear touch sounds. It happened after flashing Stock JB using FlashTool.
This happened to me when I downgraded from kitkat to JB rooted and installed a custom recovery and custom rom
Sent from my Nexus 5 using Tapatalk
CheesyNutz said:
This happened to me when I downgraded from kitkat to JB rooted and installed a custom recovery and custom rom
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Did u solve ur problem?
DELusional07 said:
Did u solve ur problem?
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Click to collapse
No just happened mines a tmobile version
Sent from my Nexus 5 using Tapatalk
CheesyNutz said:
No just happened mines a tmobile version
Sent from my Nexus 5 using Tapatalk
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Click to collapse
Seems like mine's a hardware problem, coz I can use my phone via On Screen Phone, I can operate my phone through my PC perfectly but in my phone's screen, it's frozen. How bout yours?

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