Moto X4 (XT1900-7) Touchscreen Problems - Android Q&A, Help & Troubleshooting

Hi, so I recently changed my cracked touchscreen to an 3rd party one and 3 months have passed (warranty went out) and the phone sometimes doesn't want to respond to touch. Sometimes I fix it by rebooting the phone by holding power button for 8 seconds, other times I just knock the screen and it fixes right up. But today, neither a reboot or a knock on the screen would help, I have tried removing SIM and SD card, putting Android in Safe mode, but no success. Should I put back my original cracked screen back, or should I move on ? If so, the phone was IP68 water resistant and the screen still has that waterproof seal, which is a pain in the a## to remove. If I try to use heat to remove it, I'm risking to damage the rubbin cable. Help will be really appreciated !
Edit : The phone hasn't been touched or moved when the problem occurs.

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[Q] Touch Screen not working but display is

So my phone is in perfect condition i've had it under a month there has been no major damage to it, it looks new and has been in an otterbox all its life with another screen protector on it.
But when i woke up this morning the touch screen wouldn't respond. I could use all the buttons and they worked i could even pull up s voice by holding the home button and then pressing back button and get to android home menu with the app. But the touch screen would not detect my fingers at all.
I don't see how its possible it has got any damage it is in perfect condition.
Does anyone have any suggestions? I think i read somewhere about resetting the digitizer?
And as far as resetting it to factory and or going to a different firmware. Since i cannot access my apps i cannot really backup my phone and it has really important info that i can't lose. So i'm stuck in between 2 walls and i am screwed.. Any suggestions?
Oh and i also removed the otterbox and screen protector to make sure nothing trapped underneath it was causing interference. No luck. :crying:
zaxies said:
Oh and i also removed the otterbox and screen protector to make sure nothing trapped underneath it was causing interference. No luck. :crying:
Click to expand...
Click to collapse
if not rooted send it for warranty, and if it is rooted unroot it first and check download mode status before claiming warranty.
use a usb otg cable and usb mouse to navigate the screen.
You can make a backup using adb
zaxies said:
So my phone is in perfect condition i've had it under a month there has been no major damage to it, it looks new and has been in an otterbox all its life with another screen protector on it.
But when i woke up this morning the touch screen wouldn't respond. I could use all the buttons and they worked i could even pull up s voice by holding the home button and then pressing back button and get to android home menu with the app. But the touch screen would not detect my fingers at all.
I don't see how its possible it has got any damage it is in perfect condition.
Does anyone have any suggestions? I think i read somewhere about resetting the digitizer?
And as far as resetting it to factory and or going to a different firmware. Since i cannot access my apps i cannot really backup my phone and it has really important info that i can't lose. So i'm stuck in between 2 walls and i am screwed.. Any suggestions?
Click to expand...
Click to collapse
My phone is in the shop for that and beeing repaired, probably a digitizer malfunction (hardware related). Buttons work but touch does not work. Send it in for repair. They will replace the whole screen.

[Q] Digitizer issues

Hello everyone. A few months ago, my phone screen broke, and I replaced it. Ever since then, my digitizer has been funky. When I turn my phone on the top half of the screen is static and the bottom half is black. It shows a bunch of moving parts (the boot animation) then goes black. It also prohibits me from using Amon Ra which is my favorite recovery because the whole thing is static. When I press the power button after the boot animation, my homescreen is on & my phone is fine. I broke my screen again (don't judge me lol I see you looking at me with that face ) and instead of putting ANOTHER screen on, I bought both the screen and digitizer already put together. So last night I lost all touch capabilities of my digitizer, when I did swype it did the mark of satan by itself (possessed rezound?) and overall was just terrible. I opened it up, cleaned up the ribbon, put it back, and 95% of touch worked. Did the same thing today and 100% works, however, I still get the weird static-turn-on thing. I assume it's the ribbon port for the digitizer..so my question is, is it possible to clean that? I was thinking with a really soft toothbrush w/ alcohol on it but I don't wanna ruin my phone for good. Thanks in advance
ParagonXI said:
Hello everyone. A few months ago, my phone screen broke, and I replaced it. Ever since then, my digitizer has been funky. When I turn my phone on the top half of the screen is static and the bottom half is black. It shows a bunch of moving parts (the boot animation) then goes black. It also prohibits me from using Amon Ra which is my favorite recovery because the whole thing is static. When I press the power button after the boot animation, my homescreen is on & my phone is fine. I broke my screen again (don't judge me lol I see you looking at me with that face ) and instead of putting ANOTHER screen on, I bought both the screen and digitizer already put together. So last night I lost all touch capabilities of my digitizer, when I did swype it did the mark of satan by itself (possessed rezound?) and overall was just terrible. I opened it up, cleaned up the ribbon, put it back, and 95% of touch worked. Did the same thing today and 100% works, however, I still get the weird static-turn-on thing. I assume it's the ribbon port for the digitizer..so my question is, is it possible to clean that? I was thinking with a really soft toothbrush w/ alcohol on it but I don't wanna ruin my phone for good. Thanks in advance
Click to expand...
Click to collapse
Use what i do for computers. Take a new pencil, never used eraser, and use the eraser to clean the connectors. take q-tip with alcohol. brush across it, and fan it dry. about 2 minutes is good. Alcohol dries pretty quick. Hopefully this works for you.
I have been having some problems as well. I replaced the digitizer myself and the phone boots up completely fine and normal. I just have some "dead" spots on the digitizer which I cannot seem to calibrate. I have tried apps and everything. Is there anything I can flash through recovery?
Has anyone come up with a fix for this?
Thanks in advance.

[Q] New digitizer, phone freezes, cracked one-phone 100%?

I replaced a Lumia digitizer for a friend. He didn't do too much research which one to go for. The digitizer is brand new, even has the Nokia logo on top right. I assembled everything, was happy with the result. I switched it on. Perfect. But when I started playing with the phone after a couple of seconds it hang, only soft or hard reset gets out of it. Sometimes the phone won't boot up either stays stuck on AT&T logo. It happens to me every time when I switch it on. The broken digitizer still working, no freezing with it. Did soft and hard reset, no success. Did he got a bad screen I wonder? The phone was perfect when cracked.
(I don't have the micro sim, so I can't try to use it with a sim card. But I doubt this would be the problem, with the cracked screen it happily ticked away with no sim card inserted)
What do you think? Thank you!
[email protected] said:
I replaced a Lumia digitizer for a friend. He didn't do too much research which one to go for. The digitizer is brand new, even has the Nokia logo on top right. I assembled everything, was happy with the result. I switched it on. Perfect. But when I started playing with the phone after a couple of seconds it hang, only soft or hard reset gets out of it. Sometimes the phone won't boot up either stays stuck on AT&T logo. It happens to me every time when I switch it on. The broken digitizer still working, no freezing with it. Did soft and hard reset, no success. Did he got a bad screen I wonder? The phone was perfect when cracked.
(I don't have the micro sim, so I can't try to use it with a sim card. But I doubt this would be the problem, with the cracked screen it happily ticked away with no sim card inserted)
What do you think? Thank you!
Click to expand...
Click to collapse
It's common problem with digitizers - see http://www.youtube.com/watch?v=or1mcpaVxOU comments below the video.
Obviously there are many non original digitizers.

[Q] [HELP] Xperia Mini Pro Broken Screen

Hello! So my Xperia Mini pro has been broken, it doesn't show any image anymore, I think there is a problem with the screen but I want a confirmation or recommendation to find out what the problem is.
First the screen "touch" capability stopped working, and then two weeks after that, the back and option buttons stopped working too. And a week after that ,there was like a screen "flickering" (I tried to recreate the problem in the attached image) when I tried to either open or close the slider.
Finally the screen stopped working anymore. I tried to connect the phone to the PC but says that windows cannot recognize the hardware. And there's one more thing: I can turn on the phone, it vibrates, but the keyboard lights seems that are not working, they are permanently off.. and when I try to Increase the volume it doesn't sound either... There is only the black screen and a backlight.
Please Help me to find out what is the problem, I'm thinking to buy a screen replacement on eBay, but some people told me that is the "flex" cable. I'm not sure if there is a fix for my phone's problem.
Thanks!
Hey there.
Based on my experience, yes, your problem is most likey a flex ribbon issue. Your flex has been ripping apart lately, causing many of its wires to break. This can cause a lot of unpredictable problems, such as a misbeheaving notification LED, inactive ambient light sensor, or "dead" display/touch digitizer. Your problems have gotten worse over time, which is clearly a symptom of a broken flex.
You phone is no longer booting up to android because the kernel no longer detects a proper "response" from the display driver and halts the bootup. This is why you can feel the phone vibrating when pressing the power button, but nothing else happens. Your screen assembly is fine, I can assure you that, unless your glass is broken, of course.
Here's one hell of a good teardown guide: http://www.ifixit.com/Teardown/Sony+Ericsson+Xperia+Mini+Pro+SK17i+Teardown/7275
I used that very same guide when I repaired my own xmp. I regret messing with my screen assembly because I destroyed it and had to buy a new one, which is costly
Thank You so much for the advice ! Now I'll try to repair it, It doesn't seem too difficult. Thank You Again!!!

Problem with digitizer/touch buttons

Hello, last week I had to replace my phone's digitizer. I bought one that included its frame to make sure I don't break the flex cable, I hooked up everything and I'm sure as hell there's nothing wrong. Randomly when Im going to unlock the screen doesn't respond, also noticed that when it happens the menu button is always "pressed" even if you don't touch the display, is there a way to fix it, my brother has a redmi 3 too and after he replaced screen same things happen. He has lineage OS and he can reboot because screen doesn' turn unresponsive

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