Develop Bugs

Keys Pressing, and whitey screen problems!!

I do not know if somebody faced this problems before or not:
1- The soft-keys, dial key, call drop key, and the scrolling keys; are always while pressing them for long time does not response until turning off the screen by pressing the power button then turning on again to keep working for awhile then same thing happen again.
2- The screen is sometimes fade to be completely white & brightness more, and everything hidden until turning off the screen by pressing the power button then turning on it again
If anybody knows how to fix this matter please provide me with the solution.
Thanks for all concerned

I had the same exact problem... I fixed it by getting a warranty exchange from AT&T!

I have the same problem! Unfortunately my phone is not covered by warranty. I think it's a hardware issue because I changed a number of ROMs and the problem persisted. I don't know what to do, it's driving me nuts!
Help anybody???

Good news!
Ok, as far as the key problem goes, using the PDF file about HTC TyTN where you can see how EXACTLY to disassemble and assemble the TyTN I took the courage to open up my TyTN and pull up the motherboard and clean everything up and close it tightly back. However I did not completely disassembled it as the manual shows because I did not want to remove any stuff that's glued like the rubber parts and the metal tape that holds the keyboard connector. So basically, I did not reach the part where the soft keys are, but somehow miraculously my keys are working nice again! I guess the problem was just loose connections and probably it was loosing contact somewhere because keys worked sometimes and then suddenly stopped.
Anyways, it's been 2 days now and the keys work perfectly and my TyTN is not so loose like it's going to fall apart as it was before!
P.S.
I haven't noticed the white screen problem also but it's been only 2 days and it wasn't happening so often before anyways.

This issue is known -there are threads in hermes section, search for white screen..
Its a harware issue with XILINX coolrunner(if I remember it right) on the front keypad below screen.. It propably has some bad solders under it -mine went so bad that it showed only white screen until I disassemled the unit and pressed directly the chip with my fingers
Then I bought a new circuit from cnn -at the moment it had those boards for sale, not anymore. That fixed my problem.
Among the threads someone got his/her phone to operate again by putting something between the cover and the chip..

I had the problem on my handset and managed to fix it by cutting up a piece of card..be it and old credit card or whatever to the size of the recess that the chip fits in...this pushes against it nicely and since then only had the problem reoccur once...then it was cured by just putting the handset into standby mode and back to normal again

[Q] Backlight starting to die?

Don't know if anyone else is experiencing this with their Play but as of a week or two ago the backlight started acting strange. The backlight will randomly stay off when I push the power button with the slider gamepad closed. Only way to make it come on is to pop out the slider. It seems to be random, and if I push on the slider edge slightly with my thumb with the slider closed the backlight randomly flickers, ranging from slight to severe.
The display is still working despite the backlight issues, I can open apps, and use the phone normally but the backlight flickers on and off. Makes it especially hard to use the phone in the dark.
Phone has never been dropped once.
I've replicated this problem with a variety of roms, both custom and stock. It's definitely not app related or even custom kernel related. It happens on a fresh wipe with stock rom with stock kernel. It happens on CM7 with custom kernel.
I'm curious if anybody else is experiencing this. It would tell me if it's just an isolated incident or if others are having this problem.

Sounds like a faulty connection to the backlight to me.

I had the same problem 2 days ago. Then I couldn't get my phone screen on at all!
I sent my phone back to Sony, even thought I bought it second hand. Phoned them up and talked to them. They asked what time of year I bought it so I said around August and then they gave me the address to send it to. Now I'm just waiting to see what happens next.
If your going to send your phone to Sony for repair then make sure you put the fresh firmware back on and un-root your phone as that breaks the warranty (unless they don't know about it)
Hope I helped you. If I did then click the thanks button

Sounds like a faulty ribbon cable to me. (cable that connects the screen to the rest of the phone)
You wouldn't need to drop it for that to go bad, It could just be a case of opening and closing the gamepad or lot.

Yeah good thoughts, most likely the ribbon. That really sucks because I've only had the phone for 7 months, and I've taken excellent care of it. Sounds like a major design oversight.
Mine is probably near complete failure at this point. It's taking a lot more effort to keep the screen on now. Fearing soon it won't work at all.

In hopes that this might help someone else down the line, I was able to fix my problem. Yesterday the screen pretty much quit and I had no choice but to try and solve it myself or buy a new phone.
Using this disassembly video as a visual aid I carefully pulled my phone apart: http://www.youtube.com/watch?v=-3n5ZfkqhzE
You'll need a torx T5 tool to pull out all the screws but they are cheap.
Underneath the phone and jammed into the screen ribbon was a rather thick hair just hanging out. Somehow it buried itself in there. I removed it, unplugged and replugged the screen ribbon and cleaned the dusty inside with a q-tip and reassembled it all together.
It works fine now, so hopefully this helps someone else avoid having to pony up for a new phone. For those under warranty probably best to send back but for those like me with no warranty it's worth the shot.

[Q] Weird touchscreen behaviour (only works when keyboard is flipped out?)

Hi everyone,
I've had my Desire Z for little over 2 years now and two months ago (was running CM7.2 at the time) I started getting a weird issue where my touchscreen would only be responsive when the keyboard was slid out (so the opposite problem of what quite a few other people have reported where the touchscreen becomes unresponsive when the keyboard is out). The status LED would also stay off whenever the keyboard was closed, and the keyboard backlight didn't come on anymore at all. Also, I had to make sure that the keyboard was slid out during boot, if the phone booted without the keyboard out the screen would not become responsive at all until after another reboot. My earpiece speaker stopped working around the same time so I was wondering whether it was just an issue with the flex cable becoming a bit loose, but the touchscreen would consistently start working again when I flipped the keyboard out, and also the physical scroll button on the top bit would always work, so I was still hoping it would be some weird software issue.
I then upgraded to Flinny's (amazing) Andromadus ROM (build 22, complete data+dalvik wipe) after which the keyboard backlight started working again, but the rest remained pretty much the same. Since then the touchscreen issues have been getting worse, so that I sometimes have to flip the keyboard in and out again a few times, or turn the screen on or off with the power button several times before it becomes responsive again, but then it tends to work fine until I lock the screen again, with no noticeable dead spots anywhere on the screen. I've had days where it worked all day without problems (except having to flip out the keyboard, that's been a constant for the past two months), and then today I haven't been able to get the screen to do anything at all even after dozens of reboots.
I've already bought a new digitizer and am all ready to put it in (I'll have to replace the broken earpiece anyway), but was wondering whether anyone has any thoughts on whether it could still be a software issue after all, or if anyone has experienced anything similar? The thing with having to flip the keyboard out to get not only the touchscreen but also the status LED to work is just so weird and makes me doubt that it's a pure broken digitizer or lose flex cable issue, so I'm wondering whether it would be better to first try reverting to a stock ROM before taking on the messy sticky glue stuff (I should be fine but still, never done it before)?
Many thanks!

From what you describe my best guess would be the main flex cable is what needs to be replaced. Flash a touch based recovery and see if you have the issue there as well, if so its very unlikely that its anything but a hardware fault
Sent from my Nexus 4 using Tapatalk 2

Thanks for the heads-up, I've been playing around a bit more with software and I do manage to get the screen working again occasionally, typically after the second boot into a newly flashed ROM or restoring a backup, and only until one or two reboots later when it becomes completely unresponsive again. I've tried CM 7.2.0 as well as Flinny's Andromadus 10, and it is only complete flashing that does the trick, cache wipe or factory reset alone does nothing. The two occasions where the touchscreen worked were still limited to when the keyboard was flipped out, and it also had to be flipped out during boot, otherwise nothing would work. I've learned to navigate my way around the phone by just using the hardware navigation button, but I'll have a close look at the flex cable when I take it apart to replace the earpiece speaker tonight...

Hello,
so I took my dear phone apart yesterday to replace the broken earpiece - everything went fine but after reassembly the replacement earpiece isn't working either, which leads me to think that all those little broken bits might actually be related to some contacts being a bit lose, all in the same region. Should've thought about that earlier really since the earpiece and the LED (only works when keyboard flipped out) are both in that top region that the digitiser data presumable also has to run through before passing through the flex cable.
In any case, I also took a picture of the flex cable which is slightly bent but doesn't seem straightforwardly damaged (see attachment, that thing on the right is *not* a rip). Think it's worth trying to replace it anyway?
What was truly bizarre is that after the first boot following reassembly the touchscreen worked quite consistently for the entire evening - I thought I might've fixed a lose contact by un- and replugging the digitiser cable, but then the screen went nonreactive again at some point. I wonder if the working screen was again actually related to some software reset caused by the battery being taken out for so long? In the meantime the actual screen and trackball are still working away perfectly. Bizarre.

Just to let people know the solution to the mystery: the increasingly odd behaviour was actually caused by an initially small rip in the flex ribbon cable that got bigger and bigger - it's actually half-visible in the picture I uploaded above, only that the rip is where the cable comes out from underneath the case, and not where it's wrinkled!
Just in case it could be useful for anyone, here's the (top half of phone) components in the order in which they failed on me, which I guess corresponds to the order of the respective data lines in the ribbon cable (from the top of the phone towards the center):
environment brightness sensor (I thought that the sensor had been broken for almost a year, but as soon as I rebooted with the new flex cable I noticed how my phone stopped shining into my face at full brightness - if your brightness sensor gets stuck reporting the same (low) value this means your flex cable is on its way out!)
earpiece speaker
status led
touchscreen
screen (non-alignment with edge of screen, visual artefacts)
screen (fade to black/power interrupt)

obstacle3 said:
Just to let people know the solution to the mystery: the increasingly odd behaviour was actually caused by an initially small rip in the flex ribbon cable that got bigger and bigger - it's actually half-visible in the picture I uploaded above, only that the rip is where the cable comes out from underneath the case, and not where it's wrinkled!
Just in case it could be useful for anyone, here's the (top half of phone) components in the order in which they failed on me, which I guess corresponds to the order of the respective data lines in the ribbon cable (from the top of the phone towards the center):
environment brightness sensor (I thought that the sensor had been broken for almost a year, but as soon as I rebooted with the new flex cable I noticed how my phone stopped shining into my face at full brightness - if your brightness sensor gets stuck reporting the same (low) value this means your flex cable is on its way out!)
earpiece speaker
status led
touchscreen
screen (non-alignment with edge of screen, visual artefacts)
screen (fade to black/power interrupt)
Click to expand...
Click to collapse
I'll for sure keep that in mind. Mine is still going strong for the time being, but it's good to know some warning signs if I need to replace parts or if it's time to get a new phone

fireball0093 said:
I'll for sure keep that in mind. Mine is still going strong for the time being, but it's good to know some warning signs if I need to replace parts or if it's time to get a new phone
Click to expand...
Click to collapse
Replacement parts all the way, the repair was 15$ and it feels as good as new! Well, it could do with a new battery but that's just another 5..
Just realised that the proximity sensor should actually be added to the very top of the list - just noticed that faint red light when taking a phone call, don't remember seeing that in almost a year :]

obstacle3 said:
Replacement parts all the way, the repair was 15$ and it feels as good as new! Well, it could do with a new battery but that's just another 5..
Just realised that the proximity sensor should actually be added to the very top of the list - just noticed that faint red light when taking a phone call, don't remember seeing that in almost a year :]
Click to expand...
Click to collapse
That's not a bad cost at all. I know I'm going to have to replace my keyboard in probably 2 months or so (maybe sooner) because some buttons are starting to not work. Other than that fact my phone is currently still going strong for being going on a 3 and a half year old phone

bad wifi reception due to faulty hardware

Hello community,
due to a water incident I had to replace some hardware parts as microphone and finger print sensor.
The navigation proximity buttons do also not work, but I did not replace them.
After this replacement, the phone worked 3 months fine....then I replaced the main camera because it didnt focus anymore.
Since the camera replacement I have very bad wifi reception. When I am right next to the rooter, it is working but unstable. Thats why I suspect an antenna/hardware problem or another hardware issue. I did replace the black coax cable (also a used cable) next to the battery already, but this did not resolve the problem.
On the software side I did a complete reset. Actually twice because I had to unlock the bootloader and then did a reset. Also not resolving the problem.
- I am now wondering, weather there are more or different wifi antennas in the onplus 3 except the black coax cable.
- Does anyone have experience about the sensitivity of those coax cables? The replacement cable I have is also from a used phone and has some usage marks.
- Anyone another Idea, where the problem can be?
Thanks for any suggestions!

gino.rockt said:
Hello community,
due to a water incident I had to replace some hardware parts as microphone and finger print sensor.
The navigation proximity buttons do also not work, but I did not replace them.
After this replacement, the phone worked 3 months fine....then I replaced the main camera because it didnt focus anymore.
Since the camera replacement I have very bad wifi reception. When I am right next to the rooter, it is working but unstable. Thats why I suspect an antenna/hardware problem or another hardware issue. I did replace the black coax cable (also a used cable) next to the battery already, but this did not resolve the problem.
On the software side I did a complete reset. Actually twice because I had to unlock the bootloader and then did a reset. Also not resolving the problem.
- I am now wondering, weather there are more or different wifi antennas in the onplus 3 except the black coax cable.
- Does anyone have experience about the sensitivity of those coax cables? The replacement cable I have is also from a used phone and has some usage marks.
- Anyone another Idea, where the problem can be?
Thanks for any suggestions!
Click to expand...
Click to collapse
The problem can be the constant opening up of the phone and meddling with it.

gino.rockt said:
Hello community,
due to a water incident I had to replace some hardware parts as microphone and finger print sensor.
The navigation proximity buttons do also not work, but I did not replace them.
After this replacement, the phone worked 3 months fine....then I replaced the main camera because it didnt focus anymore.
Since the camera replacement I have very bad wifi reception. When I am right next to the rooter, it is working but unstable. Thats why I suspect an antenna/hardware problem or another hardware issue. I did replace the black coax cable (also a used cable) next to the battery already, but this did not resolve the problem.
On the software side I did a complete reset. Actually twice because I had to unlock the bootloader and then did a reset. Also not resolving the problem.
- I am now wondering, weather there are more or different wifi antennas in the onplus 3 except the black coax cable.
- Does anyone have experience about the sensitivity of those coax cables? The replacement cable I have is also from a used phone and has some usage marks.
- Anyone another Idea, where the problem can be?
Thanks for any suggestions!
Click to expand...
Click to collapse
I have the same problem with my oneplus 3, i too had to change my back camera because it didn't focus, which after many attempt didn't work and i ended up using a magnet right next to the camera.
I purchased a coax black cable but it didn't solve anything.
I also have switched between a numerous amount of rom and i can tell it's hardware.
So it's either the main board that suffered from the chirurgical operation we had to do or the back's antenna that are faulty, i don't think removing the camera would make any difference.
My wifi reception is really bad and i can't get a decent bandwidth even right next to the wifi...
I'll have to re-open it to change the amoled that just broked so i'll keep you updated.

Changing the back of the phone can make any difference?
Thanks!

Question Unresponsive touchscreen

Hello everyone!! Before one week my fingerprint sensor stopped working! After two days of that troobleshoot my fingerprint sensor settings all of a sudden disappeared. After two days of the disappeared settings my touchscreen turned unresponsive. I try many things to fix it but the only things that makes it responsive again is a hard push at the screen(lol) is there any other have the same issue? I'm thinking it's time for a replacement of my screen? Or is there any other solutions??

CloudGr said:
Hello everyone!! Before one week my fingerprint sensor stopped working! After two days of that troobleshoot my fingerprint sensor settings all of a sudden disappeared. After two days of the disappeared settings my touchscreen turned unresponsive. I try many things to fix it but the only things that makes it responsive again is a hard push at the screen(lol) is there any other have the same issue? I'm thinking it's time for a replacement of my screen? Or is there any other solutions??
Click to expand...
Click to collapse
Most of the time, this issue happens due to hardware issue, the screen/power button ribbon cables might've got loose inside the device.

I think its easy to repair in service.
Looks like cable tape broken. If screen not damage try go to service

GN-z11 said:
Most of the time, this issue happens due to hardware issue, the screen/power button ribbon cables might've got loose inside the device.
Click to expand...
Click to collapse
I have opened the phone yesterday and all seems to be fine inside maybe i have to replace my sensor.. about the screen it keeps be unresponsive....

boneszbo said:
I think its easy to repair in service.
Looks like cable tape broken. If screen not damage try go to service
Click to expand...
Click to collapse
Screen is in perfect condition not even a single scratch that's why I'm wondering why it keeps getting unresponsive untill i give a hard push...