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i now have the touch hd for 3 weeks and i noticed a slight flickering in the touch flow interface. there is a grey area on the top of the screen (where it says mail and wheather etc) and when you look at it i see a slight flickering (only when you look closer (20-30 cm or closer). i tried turning of the auto adjust for the screen light but this doesn't work. also in a store i looked at another touch HD and noticed the same.
the strange thing is dat when i look at a full screen photo or just about any other aplication, then i don't see the flickering. so is this a defect or a software issue or something else??
anyone with the same experience and knows a solution. HTC won't respond to my e-mails
Screen Flicker
Hi,
Not sure if this is the correct section of the forum but seeing as someone has already started a thread regarding this. I have the same screen flickering issue! It's bugging me!!
i just did some research of my own, held 4 touch HD phones in my hands today, all with the exact same problem. so it is not a single defective phone if it is a defect, it might be a production error or a software problem.
(i know this problem doesn't belong here, i am new here and accidentally placed this topic here. sorry. don't know how to place it in the right place. maybe a forum moderator??)
just made a call with HTC Netherlands. the person on the phone also had an touch HD and spotted the same problem. he told me this was a new problem and he could only send it to HTC hoping that more people will report on the same problem and that they will start working on it.
he thought it had to do with the refress rate of the screen. i don't whink it is, as it only has this problem with certain teints of grey. (like in the touch flow interface)
Could you guys move your posts to an existing thread instead?
http://forum.xda-developers.com/showthread.php?t=446171
Hello guys,
I have some strange artifacts on my screen. First time I noticed this was on youtube. it shows some strange picture tearing on the left lower corner of the screen. First I thought it was some glitch in youtube app, but later i discovered similar glitch in some flash video. I noticed that it's most visible in Anomaly HD, where allmost entire lower left corner somehow flickers. no other games or apps seem to have this kind of problem, 720p HW accelerated video plays like a charm
Is this problem caused by apps, or is it faulty tegra 2? Can I try another display driver? Anyone else encountered this kind of glitch?
I uploaded video captured on my Galaxy W - it's most visible on Anomaly HD
Try a custom from. If it does not work, you might have a messed up GPU
I am currently using overcome 2.3.1, but i had this issue on stock as well...what's bugging me is the fact that no other app or game I've tried seems to be affected
for example shadowgun, zen pinbal thd, modern combat 3...all those games are working with no problem...might as well wait for official ICS update and see if it helps.
ok another funny thing: after installing latest AOKP ROM this happens when booting (same thing happens in CWM recovery after installing CWM suggested in thread)
http://www.youtube.com/watch?v=jQp39SvzNtg&feature=g-upl
here is the original video, seems i somehow messed up inserting the link
http://www.youtube.com/watch?v=kyKITveorwY&feature=g-upl
EDIT:
i'm starting to thing there's something really wrong with my tab...this iswhat i have after applying motley kernel (no screen shifting on previous kernel)
Could my problem be somehow kernel related?
video:
http://www.youtube.com/watch?v=60_e1U7Bg8E&feature=g-upl
EDIT2:
seems like i'm not the only one
http://forum.xda-developers.com/showthread.php?t=1513949
I have this problem too. I see it in the lower left corner of the screen when scrolling through the video wall in the youtube app. If I turn the tab upside-down in landscape mode the flashing/tearing happens in the lower right corner of the screen. However, the problem does not seem to happen in the portrait mode at all.
I'm on stock unrooted rom.
Can you try flashing cm rom with latest recovery? I'm unable to flash latest build with my current recovery. If I flash recovery recomended in the cm tgread my screen starts to scroll from the bottom to the top. If I try to flash the rom with this new recovery same thing happens when booting...same goes with motley kernel as documented in videos above. Anyone else is having this problem? I can live with some screen tearing but that scrolling pisses me off...it makes newer cwm recovery unusable for me.
Sent from my GT-I8150 using XDA
It's just as esqauw said...when i turn tablet upside down bug appears on different spot ( right lower corner screenwise, left upper corner tabletwise ). I believe tis has to He somehow related to software, because it appears elsewhere on the screen...might be completely wrong off course. Any oppinions?
Sent from my GT-P7300 using XDA
someone has to know what to do about that sliding screen issue
Same here
I was about to link you my thread on this but I see you found it already. I have not looked into this for a few months.
For me the problem is inconsistent so it is difficult to test. Id think if it were a hardware issue then most if not all apps would be affected. Maybe the way the affected apps are writing to the screen is triggering it. Id also think more people would be reporting the problem.
Different roms don't seem to help which could point to hardware or some low level (lower than rom?) software cause. I watched your videos of the boot screens post kernal changes and I have not had that type of problem yet. But I have not rooted or tried other roms either. This may support the low level software cause.
Your information adds support to a software cause with the artifacts appearing in different parts of the screen when rotated. I think a hardware cause would mean a consistent location on the screen.
I cant find the threads now but Ive seen mention that Samsung's implementation of the screen and Tegra 2 on the 8.9 causes a performance lag in landscape that does not appear in portrait. The 10.1 does not have this problem. Maybe this is related to that. The lack of the artifacts in portrait mode would lend support to this.
I hope you find a fix but Ive resolved myself to living with it. Although, I should probably look at warranty options before it expires.
Good luck
What do the graphics look like on this free graphics benchmark app?
https://play.google.com/store/apps/details?id=com.aurorasoftworks.quadrant.ui.standard&hl=en
I get 2281 in quadrant. lt runs smooth with no problems or glitching. but it runs in portrait mode which does not appear to have the bug.
Given that bug does not happen in portrait mode I'm leaning toward the problem being the performance lag issue I mentioned above.
Same here
Sent from my GT-P7300 using XDA
Ok, so I have to clarified couple of things about lag and stuff.
1. I was played GTA 3 v1.3 with all the in-game setups at max and with frame limiter disabled. It has lagged as hell! Then, I switched the game to "Zoom to fill screen" and the game runs very very very smooth but the screen resolution became low. This is applied also to Asphalt 6 and other HD games.
2. The tablet runs smoothly in Portrait Mode. The stock launcher from 3.2 runs perfectly in portrait for me.
3. I tried to overclock up to 1.5 GHz and tried again to play GTA 3 with the option "Stretch to fill screen" and it LAGS! Tried with "Zoom to fill screen", no lag at all but screen resolution problem. Otherwise, is playable
I think all it's related to software. Hardware is quiet good. Maybe if we change the DPI the lag will dissapear, don't know
Jellybean seems to fix it
Well I tried the AOSP 10 beta 8 build and CM10 latest build and they both appear to have fixed the problem. AOSP seems a bit better performance wise so ill be sticking with that for the foreseeable future. I guess it was software after all.
I have the exact same issue with newly bought tab 8.9 on youtube app. and I didn't use alot of other apps but the apps I tried never had issues with the screen. The tab is all stock.
so, what we have concluded here is that it is a software issue or some hardware issue that should be taken care of by the warranty?!
Well it seems that it's software issue,because after flashing CM10 preview, those artifacts dissappeared.
Sent from my GT-P7300 using xda app-developers app
That's great news. But that leads to another question
Do all gtabs 8.9 have the same issue using HC 3.2? So that we can say that we have a software issue only? Or is the issue related to some faulty SoCs that may show these artifacts using stock software?
I just want to make sure that it is a software issue only as I think I can make use of the warranty at the moment if it is a hardware issue
Thanks for sharing the tip
Sent from my GT-P7300 using xda app-developers app
Every couple of days I have a problem with the screen becoming VERY unresponsive. It seems to affect the whole screen and requires touching characters on the keyboard, web buttons, app icons, etc. multiple times before the touch is registered. The problem persists until I reboot the device.
I haven't rooted yet or otherwise modded it at all, but maybe I have a poorly optimized app running? Haven't tried to capture a logcat yet either (and frankly wouldn't know what I was looking at).
Has anyone else experienced something like this?
Thanks!
_john
Looks like mine is suffering something similar to the problems discussed in this thread:
http://forum.xda-developers.com/showthread.php?t=1779652
I also have this issue. Was able to reproduce with multi touch tester apps. When I cross axis the touch points freak out. I think it's a grounding issue. If I touch the headphone jack or have headphones in the issue goes away. Called in a RMA request yesterday. Hope this issue isn't present in the next device.
Sent from my Nexus 7 using xda premium
I have unlocked and rooted with the latest 4.4 but have been facing lot of ghost touch, over heating and freeze. Is anyone else facing the same issues with their z1?
ravi_buz said:
I have unlocked and rooted with the latest 4.4 but have been facing lot of ghost touch, over heating and freeze. Is anyone else facing the same issues with their z1?
Click to expand...
Click to collapse
I haven't as yet but I did notice that the touch screen issue I had where my finger / thumb would lose contact briefly with the screen.
Hasn't happened a lot and holding the metal frame fixes it.
What youre describing could be a knock on effect of the new firmware having a higher sensitivity to the previous firmwares, I know Sony were aware of the touchscreen issue that people were facing and there was a fix where you could alter the sensitivity of the touch screen.
Could be that your touchscreen is set too high for your device in particular, either that or it's a problem with the touchscreen or even some dirt.
Give it a good old clean and a few reboots.
All the above is speculation of course, just having a stab at it for you m8.
Not sure where that thread is about the touchscreen but it's definitely in the Z1 forum.
dladz said:
I haven't as yet but I did notice that the touch screen issue I had where my finger / thumb would lose contact briefly with the screen.
Hasn't happened a lot and holding the metal frame fixes it.
What youre describing could be a knock on effect of the new firmware having a higher sensitivity to the previous firmwares, I know Sony were aware of the touchscreen issue that people were facing and there was a fix where you could alter the sensitivity of the touch screen.
Could be that your touchscreen is set too high for your device in particular, either that or it's a problem with the touchscreen or even some dirt.
Give it a good old clean and a few reboots.
All the above is speculation of course, just having a stab at it for you m8.
Not sure where that thread is about the touchscreen but it's definitely in the Z1 forum.
Click to expand...
Click to collapse
Cleaned it and rebooted. Din have this problem before rooting..but as soon as i rooted i started seeing these things happpen
ravi_buz said:
Cleaned it and rebooted. Din have this problem before rooting..but as soon as i rooted i started seeing these things happpen
Click to expand...
Click to collapse
So on the base that you were on you didn't have any issues, Rooting itself will not cause this issue.
What base were you on prior to rooting and what are you on now?
dladz said:
What youre describing could be a knock on effect of the new firmware having a higher sensitivity to the previous firmwares, I know Sony were aware of the touchscreen issue that people were facing and there was a fix where you could alter the sensitivity of the touch screen..
Click to expand...
Click to collapse
How can I alter the sensitivity of the Touch Screen?
EDIT: sorry, I forgot you don't know where it is..
---------- Post added at 02:32 PM ---------- Previous post was at 02:23 PM ----------
ravi_buz said:
Cleaned it and rebooted. Din have this problem before rooting..but as soon as i rooted i started seeing these things happpen
Click to expand...
Click to collapse
Same here, after rooting mine, it starts again the touch screen to respond strange, but not a big problem. Did not had this on .136.
dladz said:
So on the base that you were on you didn't have any issues, Rooting itself will not cause this issue.
What base were you on prior to rooting and what are you on now?
Click to expand...
Click to collapse
Actually Rooting can cause the issue because the Pre-Rooted version can be different from the original one installed on our phone.
After I received the phone from Repair they updated the Software and then I updated to .136 officially and the issue disappear, never had even a bit of it. Then I rooted, but to do so I used a different Base, NUT use the Frence region I think, and after that on mine .136 the problem with Touch Screen appear again, not badly, all is fine but sometime it skips something.
So I think it's really related to the Software and the all the phone have a specific Base.
eclyptos said:
Actually Rooting can cause the issue because the Pre-Rooted version can be different from the original one installed on our phone.
After I received the phone from Repair they updated the Software and then I updated to .136 officially and the issue disappear, never had even a bit of it. Then I rooted, but to do so I used a different Base, NUT use the Frence region I think, and after that on mine .136 the problem with Touch Screen appear again, not badly, all is fine but sometime it skips something.
So I think it's really related to the Software and the all the phone have a specific Base.
Click to expand...
Click to collapse
Then it would be down to the rom and not the rooting process, rooting alone won't affect the touchscreen m8.
The Rom could though.
dladz said:
Then it would be down to the rom and not the rooting process, rooting alone won't affect the touchscreen m8.
The Rom could though.
Click to expand...
Click to collapse
Of Course.
i have not experienced ghost touch but i did experience the screen failing to register two finger touch sometimes.
what i mean by that is when u quickly touch another part of the screen after its been touched it would register it as a swipe.
very annoying when typing keyboard or even pressing key pin on lockscreen.
i reproduced this in touch test and
once it registers as a faulty swipe while holding down the touch
it keeps registering swipe wherever the other finger presses untill i stop touching.
also when i installed a fresh rom it seems that the touch is very sensitive.
i tried this out http://forum.xda-developers.com/showthread.php?t=2691849
its not a fix but it helps out.
I think i have drilled down to the cause for this issue.
1. I started mounting my phone on my motorbike and ride. Due to excessive vibration the screen might have started acting out.
2. I also read that x alert causes this.
I have locked bootloder and installed stock ROM. Lets see whats happens
ravi_buz said:
I think i have drilled down to the cause for this issue.
1. I started mounting my phone on my motorbike and ride. Due to excessive vibration the screen might have started acting out.
Click to expand...
Click to collapse
I don't think this cause the issue.
ravi_buz said:
2. I also read that x alert causes this.
Click to expand...
Click to collapse
What is that or where it is?
Been trying to find that adjustment you can make for the touchscreen but can't find it. Its an adjustment of a file within android which deals with how sensitive the touch screen is. Buggered if I can find it though. I commented on it too. Eluded me.
Sent from my C6903 using XDA Premium 4 mobile app
dladz said:
Been trying to find that adjustment you can make for the touchscreen but can't find it. Its an adjustment of a file within android which deals with how sensitive the touch screen is. Buggered if I can find it though. I commented on it too. Eluded me.
Sent from my C6903 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Maybe that Calibration.ini file magically can help?
BTW, if you find that thread let me know because I am interested too in changing the sensitivity, I will like to play with that.
eclyptos said:
Maybe that Calibration.ini file magically can help?
BTW, if you find that thread let me know because I am interested too in changing the sensitivity, I will like to play with that.
Click to expand...
Click to collapse
Will do m8.
dladz said:
Will do m8.
Click to expand...
Click to collapse
I would definitely be interested in this as well so could you please inform me as soon as you find something? Thanks
I am unable to pin point the problem.
1. Its not bcoz of root/boot loader
2. Not bcoz of mouting it on my bike. Infact when i mount it, it functions normally.
3. Ghost touch worsens when i play clash of clans but it is there other times too.
So its either bcoz of over heating (games make the phone heat a lot) or water entered it or i am not sure.
http://forum.xda-developers.com/showpost.php?p=51742613&postcount=8
He found my thread
I always surf the forums and check out what is happening, and this thread did catch my eye
I don't like to think that the touch screen issue is hardware related. I really hope it isn't.
Don't put your heart on this 'fix', as I have lost faith in it myself...
I'm going to post there now as well, to tell people what I have said here.
My mi 9 seems to be able to only detect 1 finger. Completely wiped phone and problem still persist. Anyone with same issue or able to fix issue?
I have the same problem. Have you found any solution?
youtube.com/watch?v=dLa-oHLig7U
I have that same problem. Could you help
Happened the same issue to my Mi9. Multi touch was working normally but suddenly it stopped working while I was zooming on a web page. Then I made a factory reset but still didn't work. Today I updated to Miui 12 hopping the problem would be solved but still no success. I think this bug is related to Android 10 as I saw elsewhere someone rolled back to Miui 10/Android 9 and things got to normal. On the other hand this is not a hardware failure for sure since multi touch keeps working normally on apps running in game turbo mode.
So, has anyone found how to kill this annoying bug?
Thanks for any help.
ive been searching everywhere how to fix this. i already email xiaomi about this issue. still didnt find clue how to fix this bug. still hoping that xiaomi will fix this issue.
This issue is a shame for Xiaomi!
As far as I know the only solution is to downgrade to Miui10 and stuck on this version or take the risk to upgrade to Miui11 (not recommended for obvious reasons) or the fresh new Miui12. So far I've been using the "turbo game" thing to workaround the bug. I had to install some alternative apps from Google Play (such as Chrome Beta, other gallery app, Google Maps Go...) to use instead of the stock apps so I can use them with "turbo" and get pinch to zoom working. This is not the best way to solve the issue -- the ideal is to get multi touch back working again without the need to resort to any tricks -- however it works very well. Maybe one of these days I'll get some patience to setup the good old Miui10 again...
i also have this ghost touch on the upper part of the screen. it came same time as the multi touch issue. it cant even fix by game turbo. i cant even play games normally like moba or fps game. i dont know if its just me have this ghost touch issue. its a big shame for xiaomi flagship phone?
No news about this issue? Everything works fine with Pixel Experience in my MI9 but multitouch. I remmember I solved another problem (auto-rotate didn't work for the display) and I solved it flashing only last version of "persist.img".
Same here bro!
I bought my Mi 9 in February and everything worked well. I also upgraded to MIUI 12 with no problems at all, then suddenly multitouch stopped working.
If I flash Pixel Experience will the problem be solved?
03jack said:
Same here bro!
I bought my Mi 9 in February and everything worked well. I also upgraded to MIUI 12 with no problems at all, then suddenly multitouch stopped working.
If I flash Pixel Experience will the problem be solved?
Click to expand...
Click to collapse
No way, Installing PE doesn't solve the problem.
I'm going to try it with new kernels and FWs.
ommerus said:
No way, Installing PE doesn't solve the problem.
I'm going to try it with new kernels and FWs.
Click to expand...
Click to collapse
Let me know if it works
03jack said:
Let me know if it works
Click to expand...
Click to collapse
It doesn't work at all... nothing... so tired of this...
ommerus said:
It doesn't work at all... nothing... so tired of this...
Click to expand...
Click to collapse
Try to flash MIUI 10... I read somewhere it should work, because MIUI 10 is built on Android 9, which doesn't have this issue
same i have this issue, i tried miflash. the only workaround are miui 10 and game turbo method.
also i have this nonresponsive part of the upper screen, right where most game analog button placed. idk if this "dead touch" is connected to this multitouch issue
This was the first and probably the last Xiomi I bought. Back to iOS. Bought a second hand iPhone 11 in mint condition. Working rock solid! Crap Mi9!!!
renz555666 said:
i also have this ghost touch on the upper part of the screen. it came same time as the multi touch issue. it cant even fix by game turbo. i cant even play games normally like moba or fps game. i dont know if its just me have this ghost touch issue. its a big shame for xiaomi flagship phone?
Click to expand...
Click to collapse
Gnonymous7 said:
same i have this issue, i tried miflash. the only workaround are miui 10 and game turbo method.
also i have this nonresponsive part of the upper screen, right where most game analog button placed. idk if this "dead touch" is connected to this multitouch issue
Click to expand...
Click to collapse
Have the same problem here!!!
Upper screen DEAD
Annoying ghost touch on upper screen
Have to type multiple times because It keeps ghost touching...
Can't sell the phone, because of these issues...
Miss my Galaxy note
Is there a fix to this issue now? GameTurbo enhances the touch so that multitouch works. There must be a fix to this.