K20 Pro Animation Glitch - Redmi K20 Pro / Xiaomi Mi 9T Pro Questions & Answe

Hello buds,
I'm experiencing weird glitch on my K20 Pro (Chinese version). I have my phone for a while now, and I never noticed this thing. I'm not sure if it came with latest EU update (9.8.22), or not. I would like to know, if someone is experiencing similar thing.
But to the point...
When u re waking up the device, for a second ur lock screen is changing from blur to focused. The issue I'm about to talk happens, when I'm using my fingerprint, before wallpaper becomes focused.
The strange glitch will be visible in the video. At the beginning I was afraid that it's some kind or screen artefact, but with every application left opened (before locking screen) it is different. It looks like parts of apps re strangely stretched. When I tried to turn off all animations (also on video) the problem stopped, but then it came back in completely diffirent place. Literally for a millisecond, when I'm about to pull down a status bar.
It is not something really important, because I can bypass it by waiting till lock screen is focused, or by unlocking via fingerprint on off screen. Still, I'm a bit worried, so any answers will be appreciated
www.youtube.com/watch?v=HQgDrOsqy-4
Cheers!

Related

[Q] Screen keeps flickering

Hi all,
Recently my Moto X developed a screen issue. When I load any application, the screen flickers as if the window is being pulled to the top of the screen. The screen will flicker about 3-4 times, during which I can't get the screen to respond in any way.
This started happening after I installed the Google Now launcher, I've since uninstalled the launcher but the screen flickering will not go away.
Does anyone have any idea what is going on and how I can correct it?
Thanks!
kampana said:
Hi all,
Recently my Moto X developed a screen issue. When I load any application, the screen flickers as if the window is being pulled to the top of the screen. The screen will flicker about 3-4 times, during which I can't get the screen to respond in any way.
This started happening after I installed the Google Now launcher, I've since uninstalled the launcher but the screen flickering will not go away.
Does anyone have any idea what is going on and how I can correct it?
Thanks!
Click to expand...
Click to collapse
Are you able to get video of it with another device? Is it the actual backlight that is flickering, or just the elements on the screen flashing around?
You described what sounds like the notification shade being pulled down. I've noticed that I get erratic behavior with my Moto X if there is any moisture on the screen (even a few very small drops), and some chargers. I used the BlackBerry charger that came with my Storm 1 because it had a very long (4-5 feet) cord on it, but it seemed to cause issues with the touch input. I switched to the cable that shipped with my phone and haven't had any issues since.
Maybe try wiping the screen down real good with a microfiber cleaning cloth. Not sure if screen protectors could cause this either, but I would imagine that they could interfere with the touch screen if not applied correctly or designed/made well.
fury683 said:
Are you able to get video of it with another device? Is it the actual backlight that is flickering, or just the elements on the screen flashing around?
You described what sounds like the notification shade being pulled down. I've noticed that I get erratic behavior with my Moto X if there is any moisture on the screen (even a few very small drops), and some chargers. I used the BlackBerry charger that came with my Storm 1 because it had a very long (4-5 feet) cord on it, but it seemed to cause issues with the touch input. I switched to the cable that shipped with my phone and haven't had any issues since.
Maybe try wiping the screen down real good with a microfiber cleaning cloth. Not sure if screen protectors could cause this either, but I would imagine that they could interfere with the touch screen if not applied correctly or designed/made well.
Click to expand...
Click to collapse
Thanks fury683! Yes the elements on the screen flash around, very similar to what it would look like with the notification shade being pulled down.
I've given my phone a good wiping, it's behaving so far but we'll see if it's for good.
Have you tried restarting the device? Just try different little things and you are bound to find your answer.
CrazyIvan3700 said:
Just a reminder but questions should go into the Moto X Q&A area. Have you tried restarting the device? Just try different little things and you are bound to find your answer.
Click to expand...
Click to collapse
This is the Q&A section?
fury683 said:
This is the Q&A section?
Click to expand...
Click to collapse
Oh my gosh, today has been a long day for me. You're right.
CrazyIvan3700 said:
Oh my gosh, today has been a long day for me. You're right.
Click to expand...
Click to collapse
LOL - I had a moderator move it to Q&A. It WAS in General (wrong section). You were correct indeed...don't worry, you aren't losing your mind
Did you fix your problem?
I am having the same issue where my screen will flicker a few times as if another app is being opened by the app switcher. I noticed it happens when I am connecting or disconnecting from Wi-Fi. I tried factory resetting my phone and it did not help. It is very strange. Did anyone else experience a similar problem or find a cause?
Having this issue too — screen flickers when moving back and forth from wifi to 4g
Yes! Took me a while to connect it to offline/wifi/4g transferring, but my screen flickers 3 to 4 times (basically the view refreshes the same way crappy apps that didn't bother programming a transition go from screen to screen) every time I access an app that uses the internet after this transition between data sources. It is infuriating. Anyone ever resolve this?
Fixed it...
PabloChia said:
Yes! Took me a while to connect it to offline/wifi/4g transferring, but my screen flickers 3 to 4 times (basically the view refreshes the same way crappy apps that didn't bother programming a transition go from screen to screen) every time I access an app that uses the internet after this transition between data sources. It is infuriating. Anyone ever resolve this?
Click to expand...
Click to collapse
Got it — I used Titanium Backup (on a rooted phone) to kill MotorolaOTA (backed up first).

Touch Screen Issues

I've started to have touch screen issues the past few days.
Any idea what may cause it?
Sometimes, when I touch the screen, say in settings, I touch one item, but a different item is selected somewhere randomly on the screen.
Happens in TWRP as well. If I select options to wipe, it will select others, and then it doesn't swipe over to execute the action.
No ideas? What would make touches appear where I don't touch, even on TWRP?
I tried the keyboard calibration on HTC's keyboard.
Any ideas? Screen protector?
It comes and goes.
I can't believe no one else is having this issue now.
I don't do stupid things with my phone, like drop it, put it in my pocket and sit on it, and wash it with soap and water.
Since I've started running Lollipop, it appears that my case is causing this issue. I've never had this problem before.
However, I updated my wife's phone to Lollipop Sense and now she is having the same issues with a different case.
Take the cases off, and they work more responsively.
I can only chalk this up to being a Lollipop issue, and hope it will be fixed soon.
mcwups1 said:
I can't believe no one else is having this issue now.
I don't do stupid things with my phone, like drop it, put it in my pocket and sit on it, and wash it with soap and water.
Since I've started running Lollipop, it appears that my case is causing this issue. I've never had this problem before.
However, I updated my wife's phone to Lollipop Sense and now she is having the same issues with a different case.
Take the cases off, and they work more responsively.
I can only chalk this up to being a Lollipop issue, and hope it will be fixed soon.
Click to expand...
Click to collapse
I opened another thread about a similar issue I'm having after Lollipop. My gesture launch randomly stops working and I have to reboot. No other issues for me though. I have an anti-glare screen protector on mine, but had no issues before the update. I've thought about a factory reset to see if that would cure what ails.
I'm on tmo but have the same exact issues. This is what i've found so far...
I turned on the developer options and turned on show pointer. This will show you where the touches are landing.
If you scroll down slowly, you can see most of the touches are in line (up and down) and not random on the screen.
I've removed all programs that have screen overlays (screen filter, twilight etc)
I've removed the cases thinking they might be causing the issue, but removing them only slightly improved the issue I thought...
Sometimes its hard to reproduce the effect, its not consistent. So this leads me to believe that it could be a process that's running in the background that calls attention at the moment you're touching the screen, and then refocuses the screen to your point of contact. And in between it thinks you're moving your finger when you really aren't.
In any event, I can't find the exact cause of this. But, it definitely started after the update to lollipop. I had none of these issues before. I even got the phone exchanged because I believed the digitizer went bad or something. But this issue exists on my original phone, its replacement, and now on my wife's current phone and that phones replacement (across 4 phones).
I'm currently working on my wife's replacement (4 or 5 non-oem programs installed) and continue to have the problem. But it is not consistent as I can't readily reproduce it.
What i've done to try and learn more is when I see the screen pointer light up in random places, I keep pressure on the screen so I can observe where the screen is registering contact. It almost looks as if it's trying to pull down the shade. Whether it be because of the dual points of contact and it thinks we're swiping down, or because of another program that is stealing focus for whatever reason.
If anyone else has insights into this, please let us know as this is more than frustrating! I keep calling people in hanouts with a lot of people and they aren't happy about it lol.
Also for reference, we're using ADW ex launcher instead of Stock HTC Sense. But even when I remove ADW (uninstall) and run sense, it continues to happen. So it's not that.

Touch screen unresponsive at the very bottom

All of a sudden the lower part of display (about 7 mm) has become unresponsive to touch which means no more gestures (swipe up to get to home screen is not working) e struggle to use the classic navigation buttons.
Sadly I had the same issue in my mi5 but in that case phone had the issue since the unboxing.
I'm starting thinking the xiaomi touchscreen tend to be more fragile than others.
Now I'm waiting for gearbest support.
Anyone has any advice or similar experience?
I made a screen recording
https://youtu.be/bIOUK1V56Ao
No one? Any advice?
jendrassik said:
No one? Any advice?
Click to expand...
Click to collapse
Regarding Xiaomi Quality
While climbing into my truck, I dropped my Mi8 from a height of about 4 ft on accident and it landed flat on its face , on the concrete. Freaked out, I left it laying their for about a minute fearing that the screen had been smashed into a million pieces. However, I picked it up to see that it was fine, and not a single scratch. So I immediately went out and bought the Love Mei 360 case.
Anyway, regarding your touch issue, you should really provide more some information about how this issue came about, what rom were you using, did the phone get wet, etc.
Also, I had an issue with my Mi8 soon after unlocking the bootloader where the top part of the screen would not register my touches, I first tried recalibrating the screen using Miui hidden settings app, the test is called QMMI ( I think) and if I remember correctly there are several menus of testing that also calibrate the screen for me this worked and for good measure I reinstalled a Miui rom and havent had the issue since.
Try it, hopefully that is the only issue. If you are using a AOSP. It's possible that you have a driver issue. So before sending the phone off for service its worth testing.. If you are on stock and still have a locked bootloader, I would try resetting the phone before trying anything else.
Good Luck.
Some gravedigging, but the question is still on the table - have you managed to fix it?

Pixel 4a 5G Touch Screen Intermittent Lost Issues

Do any of you guys experience these phantom touches after triggered it in certain region on the screen?
As described in the video:
Yes I've been having intermittent issues with scrolling. Not sure about region, but the phone will register a tap sometimes as I drag along the screen. What app are you using there? Edit: saw you added it to the YouTube comments.
P.s. it may be related to region AND length for me. Won't start acting up till I've gone around the screen a few times.
I had this problem too. Removed tempered glass and it was fine.

Question Display dims for a few secs after screen unlock

This has been an age-old issue on multiple devices and still can't find a solution.
When the screen is unlocked the display is dim to a very low brightness hardly enough to use for a few seconds, roughly about 5s, and it turns on to the normal brightness. I find this issue reported to have been occurring since 2105? or earlier on phones from OnePlus and others.
I have Nova launcher as default, altered it's settings, just in case, in vain. After tinkering with many options in the settings i couldn't find a proper solution. Then I found that after the phone is booted, the problem didn't occur for some time, under a minute. So i Disabled multiple apps from startup, yet, nothing changed. It was also noted that the display was not fully dim though, whilst the home screen was dim, the status and the notification drop down stayed lit with normal brightness. Afterall, it seems the fingerprint might the thing causing the issue that the phone doesn't show a problem when screen unlock is performed via other methods like pin. Apparently, it's all BBK phones that's having this issue? Even though this is not a big problem, the experience is pretty annoying. And, it wasn't there when i first used the phone.
So, is there a workaround for this issue other than disabling fingerprint or using other login methods? Or could it be a bug that's to be resolved in an OS update? Any help is appreciated.
Edit: vivo pushed an OTA update today, and after installing that, it seems the issue has been resolved. There's no mention of such an issue in the bugs fix list, let's still assume it was a bug.
Edit 2: Well, the problem persists (also deleted attached image of update which did not help resolve the issue).
daftdrift said:
This has been an age-old issue on multiple devices and still can't find a solution.
When the screen is unlocked the display is dim to a very low brightness hardly enough to use for a few seconds, roughly about 5s, and it turns on to the normal brightness. I find this issue reported to have been occurring since 2105? or earlier on phones from OnePlus and others.
I have Nova launcher as default, altered it's settings, just in case, in vain. After tinkering with many options in the settings i couldn't find a proper solution. Then I found that after the phone is booted, the problem didn't occur for some time, under a minute. So i Disabled multiple apps from startup, yet, nothing changed. It was also noted that the display was not fully dim though, whilst the home screen was dim, the status and the notification drop down stayed lit with normal brightness. Afterall, it seems the fingerprint might the thing causing the issue that the phone doesn't show a problem when screen unlock is performed via other methods like pin. Apparently, it's all BBK phones that's having this issue? Even though this is not a big problem, the experience is pretty annoying. And, it wasn't there when i first used the phone.
So, is there a workaround for this issue other than disabling fingerprint or using other login methods? Or could it be a bug that's to be resolved in an OS update? Any help is appreciated.
Click to expand...
Click to collapse
Just try NOT to set auto brightness ON and see things can improve.
rnjsx100 said:
Just try NOT to set auto brightness ON and see things can improve.
Click to expand...
Click to collapse
Sorry i did not mention I did try that method in the first place of all. We could tell it isn't the auto brightness causing the issue if the status bar and notifications are displaying in normal brightness.
The issue was resolved with an update.
Edit: not really. Sick.

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