[Q] Xperia z2 new screen installation problems - Xperia Z2 Q&A, Help & Troubleshooting

Hi.
After i inserted a new screen and digitalizer i'm having a weird problem.
youtube.com/watch?v=70pVhYpy7jA&feature=youtu.be (had to do it this way since i'm a new poster)
After many boots, i've had it go normal for a long time once, but after i rebooted to install a new rom, it started acting weird again in the recovery.
I'm wondering if this is coming from the digitizer connection into the phone or something ?
I think i've taped in the right locations according to my old screen connections.

Related

[Q] Another Digitizer Thread or Maybe Different One

Hi, I have a quick question.
My digitizer starts failing. I know in the end it should fails cause most of them need to be replaced but maybe my problem is different.
Most of digitizers are stop working at all or only some parts of it. My digitizer is working fine but ONLY after turning on screen sometimes it's working like using it with wet fingers - it's crazy pointing everything without my control. After turn off and on screen it's working fine until next turning on.
I'm wondering can it be software problem?? I had similar problem in Defy+, leds under hardware keys stop lighting and before sending it on warranty I wiped it and now all working fine.
It's no problem for me to replace digitizer or wipe system but it would be good to know that it can be software problem before buying new digitizer.
Maybe you need to apply the raindrop fix. Been discussed already.
First, thaks for understanding what I mean. (Very poor english)
Second, this is exactly what I ment. I just copied tounchpad.cfg from http://forum.xda-developers.com/showthread.php?t=1467696 and all looks fine now. No mess up on multitouch. I hope it will stop messed up touch while turning on screen, need to test it for a while cause this issue isn't appears on each turning on but ocassionaly.
Anyway thanks for fix. You saved my time (3 hours on wiping and bulding new system) and money on new digitizer.
One more thing. I'm using this phone from few months and everything was ok. The problem appears few weeks ago. So if it is bug in rom it should appears just after I bought it, not after few months. Or maybe it's not factory bug but just error in touchpad.cfg??
Sorry for post under post but I have few more informations.
After testing few days raindrop fix the problem still exist. Fix helped but not fixed problem. Still after turning on screen touch is acting crazy but after first touch it stops and before applying fix it stops only after turning off screen and turning it on.
I reflashed full sbf stock Gingerbread, full wipe including internal memory and still the same problem.
Strange thing I observed is the problem appear only when WiFi is on and it's searching or trying to connect. When WiFi is off or it's connected to router the problem never appears and when I turn on screen and after that turn on WiFi everything is ok. Only when I'm turning screen with WiFi on screen touch acting like crazy.
Is there any chance to fix it or should I buy new digitizer??
Ok, I changed digitizer on warranty and now everything is okay. Funny thing is that I have unlocked bootloader and they changed my digitizer without any problems. Less funny is that they broke both sensors changing it and I had to send My Atrix to Motorola once more after two days to change flex. But now I hope it should be working fine.
So after all it had to be popular hardware problem.
Thred can be closed.
Sent from Motorola Atrix

[Q] touchscreen not working

I have a Galaxy S3 that I have been running CM 10.2 on for quite some time. Today I dropped the phone and cracked the screen. The phone still worked perfectly in every way despite the cracked screen. I used it for a few hours after without any issues. I took it to someone today to replace the screen assembly. When I got the phone back it turns on and the screen looks fine but it hangs on the samsung screen for 3-5 minutes before booting in to anything (booting the rom, recovery mode, download mode etc. all take 3-5 minutes to start) when the phone finally boots the touch screen does not work at all. All buttons work fine, including the bottom buttons (back and settings) for touch but no where else does the screen respond to touch.
So far I've tried:
- wiping cache
- factory reset
- re-installed CM 10.2 rom
- Took the back off the phone and checked all the connections, unclipped and clipped back in to be sure they were connected ok.
- Completely removed battery and all sim/sd cards for an hour
At this point I'm not sure if I'm dealing with a hardware issue (maybe they guy screwed something up when replacing the screen) or the digitizer/screen he used is faulty? I know this doesn't neccessarily mean anything but when I got it back the new screen still had the protective film etc. on it so I'm almost positive the screen assembly the guy used was at least new.
And I don't really understand where the 3-5 minute boot issue could come from? I wouldn't think it would be related to the screen/digitizer but I suppose anything is possible. What could explain this?
Is there any way this could be a software issue or any other troubleshooting I can attempt?
jfall said:
I have a Galaxy S3 that I have been running CM 10.2 on for quite some time. Today I dropped the phone and cracked the screen. The phone still worked perfectly in every way despite the cracked screen. I used it for a few hours after without any issues. I took it to someone today to replace the screen assembly. When I got the phone back it turns on and the screen looks fine but it hangs on the samsung screen for 3-5 minutes before booting in to anything (booting the rom, recovery mode, download mode etc. all take 3-5 minutes to start) when the phone finally boots the touch screen does not work at all. All buttons work fine, including the bottom buttons (back and settings) for touch but no where else does the screen respond to touch.
So far I've tried:
- wiping cache
- factory reset
- re-installed CM 10.2 rom
- Took the back off the phone and checked all the connections, unclipped and clipped back in to be sure they were connected ok.
- Completely removed battery and all sim/sd cards for an hour
At this point I'm not sure if I'm dealing with a hardware issue (maybe they guy screwed something up when replacing the screen) or the digitizer/screen he used is faulty? I know this doesn't neccessarily mean anything but when I got it back the new screen still had the protective film etc. on it so I'm almost positive the screen assembly the guy used was at least new.
And I don't really understand where the 3-5 minute boot issue could come from? I wouldn't think it would be related to the screen/digitizer but I suppose anything is possible. What could explain this?
Is there any way this could be a software issue or any other troubleshooting I can attempt?
Click to expand...
Click to collapse
Go and talk to the person who replaced your screen.. maybe has used faulty screen and also may be he has changed with some of the faulty parts..
suyash1629 said:
Go and talk to the person who replaced your screen.. maybe has used faulty screen and also may be he has changed with some of the faulty parts..
Click to expand...
Click to collapse
Very strange, but it looks like it was indeed a software issue after all. For some reason changing the screen out while having CM 10.2 installed did not play well together. I did a full wipe and went back to stock rom and touch is working now. I may try a new install of CM again to see what happens. Odd
jfall said:
Very strange, but it looks like it was indeed a software issue after all. For some reason changing the screen out while having CM 10.2 installed did not play well together. I did a full wipe and went back to stock rom and touch is working now. I may try a new install of CM again to see what happens. Odd
Click to expand...
Click to collapse
Strange issue.. never had it ever, m flashing CM from more than a year.. Try to do a new flash downloading new files..

Unresponsive touch screen

Hello mates.
I've got some issue with my desire x touch screen. It is becoming unresponsive.
The whole thing started like 1 month ago. I've noticed that as my phone gets hotter (playing games, using internet) my touchscreen was slowly becoming unresponsive. Firstly I was unable to scroll down my notifications (only the narrow bar at the top was not working) and then it came to a random places of screen, so I couldn't even write sms message. The thing is that it is not unresponsive at all. When I press certain unresponsive area it finally detects the touch. I tried everything, from wiping my screen with a soft tissue through removing battery and sim and sd card to wiping dalvik and cache. I've noticed, that after night the problem was almost gone. And again, after using phone for some time issue occured again. I figured that flashing a new kernel might be a good solution. And it helped and I was happy.
Unfortunatelly, yesterday problem returned. But as you probably suppose - flashing kernel ain't helping. I've also tried other methods mentioned above, but the only thing what helps a bit is leaving the phone unused for like 1 hour or so.
Do u guys have any ideas, what can I do to repair it or to fix it? Any help will be strongly appreciated
ptaq1234 said:
Hello mates.
I've got some issue with my desire x touch screen. It is becoming unresponsive.
The whole thing started like 1 month ago. I've noticed that as my phone gets hotter (playing games, using internet) my touchscreen was slowly becoming unresponsive. Firstly I was unable to scroll down my notifications (only the narrow bar at the top was not working) and then it came to a random places of screen, so I couldn't even write sms message. The thing is that it is not unresponsive at all. When I press certain unresponsive area it finally detects the touch. I tried everything, from wiping my screen with a soft tissue through removing battery and sim and sd card to wiping dalvik and cache. I've noticed, that after night the problem was almost gone. And again, after using phone for some time issue occured again. I figured that flashing a new kernel might be a good solution. And it helped and I was happy.
Unfortunatelly, yesterday problem returned. But as you probably suppose - flashing kernel ain't helping. I've also tried other methods mentioned above, but the only thing what helps a bit is leaving the phone unused for like 1 hour or so.
Do u guys have any ideas, what can I do to repair it or to fix it? Any help will be strongly appreciated
Click to expand...
Click to collapse
I have a similar problem after replacing touch screen. I have found the source of the issue, it could be similar to yours.
My touch screen at the bottom was glued to the LCD in a short line and the adhesive was probably touching part of the LCD cable that goes underneath. I used a hair drier to warm it up and lift off the touch screen. That way there is no bad interaction between the touch screen and the LCD. Haven't had this problem since but my touch screen is unfortunately a bit lose this way. Even now, whenever I push the navigation part of the touch screen too hard, the problem comes back. I will need something to isolate the bottom part of the touch screen from touching the LCD. I will keep you updated if I find a final solution. In the meantime, it could be worth trying it on your phone too.
I think I will just get S-OFF, revert my phone to stock and give it back for warranty repair Anyone of you guys did this? Did 7 vibrations at boot void your warranty?
I'm thinking about warranty repair, cause my bro has the same phone, but full stock, not even rooted. And he got simmilar problem to me, but with less intensivity (it just comes and goes once in a while). Also recently I got this phantom touch problem (after enabling show touch in options I saw my phone is detecting some touches in specific areas) So I think warranty will be the only option :/

Screen problem..

Hello guys,
Recently I noticed my phone was having delay on touch response, specially when typing or swiping on keyboard. It also randomly pressing the screeen by itself . I also noticed that my screen was getting static effect on display.. idk how to describe it exactly but its like my screen was static. Whats weird is when I lock my phone then unlock it the problem is temporarily gone, but after few minutes it will occur again.
TAKE NOTE THAT my phone got wet ONLY on inside part of the screen.. but it was 4 or 5 months ago. But my screen got a little bit darker than the usual.
These are what I did :
1. Flashed stock rom / custom rom
2. Removed my tempered glass on Front
3. Cleaned the screen
Any help guys?
Same
im having this issue as well, previously on kitkat 4.4.4 stock it was fine.
switched to custom rom RR rom. and got this issue.. hmm
using the 3g version

Replacement screen issue :|

I wanted to run my cracked screen phone as an emergency phone, so I purchased the whole front and this is the situation:
VIDEO
Every time I start the phone with the old display and then while it's working I replace it with a new one, it works fine until I restart it. Conversely, it works the same, every time I start the phone with a new display, the halves of the screen are swapped until I restart the phone with the old display.
hello. looks like the controller ic is broken.

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