Pop-up camera noise - Xiaomi Poco F2 Pro (Redmi K30 Pro) Questions & Ans

Hi there !
Just got my Poco F2 Pro. I noticed that my pop-up camera is slightly tilted to the right (I'd say by less than one millimeter).
Moreover, opening it does not make any particular noise besides the mecanism, but when it closes, it sometimes (4 out of 5 times) make a small other noise when its movement finishes (don't really know how to describe it - but it's quite different from the buzzing sound of the rest of the movement). (And sometimes, a bigger one, that I heard only twice after something like 30 openings). Is that expected? Is there a way to calibrate the pop-up camera's mechanism?
Thanks a lot!

Kitkhat said:
Hi there !
Just got my Poco F2 Pro. I noticed that my pop-up camera is slightly tilted to the right (I'd say by less than one millimeter).
Moreover, opening it does not make any particular noise besides the mecanism, but when it closes, it sometimes (4 out of 5 times) make a small other noise when its movement finishes (don't really know how to describe it - but it's quite different from the buzzing sound of the rest of the movement). (And sometimes, a bigger one, that I heard only twice after something like 30 openings). Is that expected? Is there a way to calibrate the pop-up camera's mechanism?
Thanks a lot!
Click to expand...
Click to collapse
https://forum.xda-developers.com/poco-f2-pro/help/pop-camera-moves-dangerously-t4171415

NOSS8 said:
https://forum.xda-developers.com/poco-f2-pro/help/pop-camera-moves-dangerously-t4171415
Click to expand...
Click to collapse
Thanks for the link, but this doesn't answer my questions!

Kitkhat said:
Thanks for the link, but this doesn't answer my questions!
Click to expand...
Click to collapse
just to say that you could have posted on this thread otherwise try:
First to the menu using * # * # 6484 # * # *, then 3 dots on the top right and tool.
there is may be a calibration for the camera.
I cannot confirm it to you because I use a custom rom.
But I remember there a lot of calibration in these settings, I use it for the f.o.d only.

Kitkhat said:
Hi there !
Just got my Poco F2 Pro. I noticed that my pop-up camera is slightly tilted to the right (I'd say by less than one millimeter).
Moreover, opening it does not make any particular noise besides the mecanism, but when it closes, it sometimes (4 out of 5 times) make a small other noise when its movement finishes (don't really know how to describe it - but it's quite different from the buzzing sound of the rest of the movement). (And sometimes, a bigger one, that I heard only twice after something like 30 openings). Is that expected? Is there a way to calibrate the pop-up camera's mechanism?
Thanks a lot!
Click to expand...
Click to collapse
Hey
Just to let you know, mine is exactly like you describe, tilted to the right (when you face the screen) and there's a little gap on the left once it's closed (the right side is then very tight close to the body).
I didn't noticed any noise as you describe when it close (expect the regular one from the motor i guess), but i couldn't say it didn't or won't happen as i barely (not to say never) uses the popup cam.
Let's each others know if we find a "solution" to this "problem" without tearing the phone apart
Cheers !

Related

Camera question

Hello,
Is there a tweak or possibilty or tool to let the camera app record video without the camera app visible onscreen. The app must be visible onscreen or it stops recording :/
Let's say you want to do other things on your phone and record video in the meantime. Now every time I leave the camera application (without closing it) and let's say phone someone then the camera stops recording .
Thx in advance.
Anyone has an idea?
iteresting thing.. i dont found any else app.
Sorry i cant help..
I do have another question I've been meaning to ask tho...
Has any one else noticed this..
When you have camera app open ready to take a picture, if you press the black between buttons on the right hand side it makes a Grey dotted box flash around the picture, noticed it helps with the picture taking time, almost like a "hold button half way to prime a digital camera"
Am I tripping or am I right??
Just not heard of any one else ever mentioning this...
Can't help either
snowblind2142 said:
I do have another question I've been meaning to ask tho...
Has any one else noticed this..
When you have camera app open ready to take a picture, if you press the black between buttons on the right hand side it makes a Grey dotted box flash around the picture, noticed it helps with the picture taking time, almost like a "hold button half way to prime a digital camera"
Am I tripping or am I right??
Just not heard of any one else ever mentioning this...
Click to expand...
Click to collapse
I think you mean the frame showing what is actually being captured on your picture (instead of the whole 'wide' view you have before taking the picture).
flr said:
I think you mean the frame showing what is actually being captured on your picture (instead of the whole 'wide' view you have before taking the picture).
Click to expand...
Click to collapse
Sorry you've confused me..
When I open the camera app, it opens full screen with 3 icons,
Flash, shutter(take picture) and settings..
I presume every one else is the same (exept possibly cooked roms)..
When you press settings tab and all the settings are around the screen pop up..
Press the gap between the shutter button and the settings button(a dotted box will show clearly around the middle flashing for a couple of seconds)
Now take a picture, measure the time it takes from you pressing and the picture capture..
Now do the same as you normally would.. Press the shutter..
Just seems way faster with the flashy box going than without.
Can you tell me why?
friendly bump.
I am wondering what it does as well.
I'm sorry, it took me some time to figure it out.
I think this is described in the manual on page 240.
Particulary at the footnote:
'Note If you tap outside the effective focus area, a white box appears to indicate the area where you can use Touch Focus.'
Is this what you mean?

[Nook HD+] Touchscreen sensitivity experimentation (updated GUI app on 07/13)

Thanks to some testing by @alal690 based on my instructions in the post on how to play with touchscreen sensitivity we have some suggested reduced sensitivity values.
I spent entire day figuring how to do more things in android apps, and here's my next terrible UI attempt: NookTouchscreenSensitivityAdjuster-4.apk (backup link).
It's recommended that you run it with 07/11 cm10.1 release, but it will work with older releases too, just all settings (all but touch sensitivity on 07/06) would reset on screen off.
This minimalistic tool would allow you to change various touchscreen parameters in GUI, so not need to play with adb.
Right now this tool just lets you to play with values, the new values persist until the screen turns off (and the touchscreen resets restoring to default values).
The "save" button only saves the sensitivity and focus settings at this time, and the values persists across reboots (important to grant it root access the first time you run it!), everything else is not saved anywhere (since I am not sure there's any value in that and only included the other settings so you can experiment with them and perhaps get back to me with your awesome finds).
save button only works with 07/06 release, in previous releases save button does not persist anything.
the "reset" button resets values to the "old" values in the touchscreen, meaning pre-sensitivity change (so to 0x11, instead of the new 0x16).
Old post:
Anyway, here's a test zip that you can flash to try the new value. I encourage everybody to try it both if you do and do not feel like you have a touchscreen sensitivity issue.
If there are no downsides (so far I see none on my end), we might make this one to be a standard new default.
touchscreen-test.zip - this is for Nook HD+ (noop on the Nook HD). (Note, this is now included into 6/30 build for ovation)
Do not flash into stock, it'll break it.
I know the raw TS settings is a bit intimidating, so I plan to make an app for that, though that's a bit more effort than what I have time for ATM, so we'll make do with just this topical treatment.
will this work with carbonrom also? i like to switch between them.
What about those of us who felt it wasn't sensitive enough? Is there some sort of weird effect where its so over-sensitive that it feels less sensitive?
Apk07 said:
What about those of us who felt it wasn't sensitive enough? Is there some sort of weird effect where its so over-sensitive that it feels less sensitive?
Click to expand...
Click to collapse
Try it and tell me what you find out.
Feel free to play with other register values as per that other post referenced if you can. No two devices are totally the same. So we'll need a significant amount of testing by all interested parties to come to some middle groumd
Either that, or an app where people would be able to setup volume, touchscreen and other settings for themselves, but we'd still need to have sensible defaults.
bckrupps said:
will this work with carbonrom also? i like to switch between them.
Click to expand...
Click to collapse
It probably will work there too, but I did not test it on anything but my setup.
verygreen said:
It probably will work there too, but I did not test it on anything but my setup.
Click to expand...
Click to collapse
i tried it on both. What a difference already. especially on stock browser. sometimes i wanted to smash the thing lol. you are one hell of a dev. scrolling takes a bit more work but clicking links is so much better now. sometimes i would click a link four or 5 times lol
verygreen said:
Thanks to some testing by @alal690 based on my instructions in the post on how to play with touchscreen sensitivity we have some suggested reduced sensitivity values.
Anyway, here's a test zip that you can flash to try the new value. I encourage everybody to try it both if you do and do not feel like you have a touchscreen sensitivity issue.
Click to expand...
Click to collapse
Can I just flash this zip from CWM... or do I need to do any of the other steps mentioned in the post on playing with touchscreen?
dbrickg said:
Can I just flash this zip from CWM... or do I need to do any of the other steps mentioned in the post on playing with touchscreen?
Click to expand...
Click to collapse
You just flash this one from cwm and you are good to go for just this particular setting change.
verygreen said:
You just flash this one from cwm and you are good to go for just this particular setting change.
Click to expand...
Click to collapse
Thanks. That's what I thought. So I went ahead and did it while I was waiting for your response. So far it seems just fine. I guess I don't notice any great deal of difference. But I'm not sure what the symptoms were that you were trying to cure. I can't figure out how to read any of the context around the link to the post you mention in the OP
dbrickg said:
Thanks. That's what I thought. So I went ahead and did it while I was waiting for your response. So far it seems just fine. I guess I don't notice any great deal of difference. But I'm not sure what the symptoms were that you were trying to cure. I can't figure out how to read any of the context around the link to the post you mention in the OP
Click to expand...
Click to collapse
Basically the problem is: there are multiple complaints about people having too sensitive/too insensitive touchscreens. I don't think I am seeing anything like that, but there is more than one report so perhaps different people have different tolerances and different hardware has it's quirks.
The goal here is to arrive at a different set of defaults that would improve the situation for people that feel there is a problem and at the same time don't make situation worse for everybody else who feels current settings are ok.
verygreen said:
Basically the problem is: there are multiple complaints about people having too sensitive/too insensitive touchscreens. I don't think I am seeing anything like that, but there is more than one report so perhaps different people have different tolerances and different hardware has it's quirks.
The goal here is to arrive at a different set of defaults that would improve the situation for people that feel there is a problem and at the same time don't make situation worse for everybody else who feels current settings are ok.
Click to expand...
Click to collapse
mine personally was very insensitive. when i'm on slickdeals and i know you are also or bleacher report clicking on links such as hot deals and my subscriptions would take multiple tries. i didn't notice much system wide but mostly on the internet clicking smaller links. whatever he did with this zip made mine personally much much better.
verygreen said:
Basically the problem is: there are multiple complaints about people having too sensitive/too insensitive touchscreens. I don't think I am seeing anything like that, but there is more than one report so perhaps different people have different tolerances and different hardware has it's quirks.
Click to expand...
Click to collapse
Aha... then I guess I *did* know about the problem. I noticed it most when reading books. After a few minutes, the page turning touches on the lower right margin would seem to stop. I finally just gave up even trying to use them, and substituted a swiping movement. Anyway, with this zip installed, the sensitivity doesn't seem to be any worse, and might well be better. It hasn't been very long, but I'll keep an eye open for differences.
PS: Just read some of the other people's posts, and see that they were complaining of difficulty in clicking links in web pages. I had certainly noticed that, but hadn't even thought of the possibility of fixing it, so had just ignored it. With this new zip, it does seem like web link sensitivity is much improved.
dbrickg said:
Aha... then I guess I *did* know about the problem. I noticed it most when reading books. After a few minutes, the page turning touches on the lower right margin would seem to stop. I finally just gave up even trying to use them, and substituted a swiping movement. Anyway, with this zip installed, the sensitivity doesn't seem to be any worse, and might well be better. It hasn't been very long, but I'll keep an eye open for differences.
PS: Just read some of the other people's posts, and see that they were complaining of difficulty in clicking links in web pages. I had certainly noticed that, but hadn't even thought of the possibility of fixing it, so had just ignored it. With this new zip, it does seem like web link sensitivity is much improved.
Click to expand...
Click to collapse
mine is much improved. whatever adjustments were made I feel like mine could go even a little more in that direction. I'm at like 85% now lol
Thanks, alal690! I think he deserves to get some "Thanks", too, but he doesn't have any posts! And thanks to verygreen for providing the tools for alal690 to tweak with, of course!
I have noticed more mistypes on the keyboard verygreen if you are still needing input but the positives outweigh that in my book. it really is much better on websites. please thank the other dev that worked on this also alal690.
Big improvement for me, thanks I suspect the issue with pressing ui elements was caused by jitter and phantom touches that may have been caused by oversensitivity even though it seems somewhat counterintuitive... Selecting text was the big issue for me and it's now vastly improved. As has my accuracy on they keyboard - normally I'd have had to retype half of a post this length
BTW, it woul be great if people with some sort of a protective film over the touchscreen will give this a try to make sure it's also ok for them (I know those screen protectors are really popular amongst some people).
I've spent the last week trying to fix this, but it looks like it could be a problem with a driver or the actual hardware itself. If you go to Dev tools, then Pointer Location, you can see the reported values for touch pressure and size. When holding down my finger anywhere on the top 2/3 of my screen, the xy and size values jitter like crazy. If I touch the bottom 1/3 of my screen, there is no jittering and the size value is constant.
I think people that are complaining about low sensitivity are mistaken. I think the touch screen response is actually too sensitive, thus causing the jitter and making it hard to click on hyperlinks.
Reducing the touch sensitivity scale and increasing the touch size in the IDC file has helped a lot, but the jitter is still a problem that I hope someone can figure out how to fix.
Sent from my BN NookHD+ using Tapatalk 4 Beta
phammichael said:
I've spent the last week trying to fix this, but it looks like it could be a problem with a driver or the actual hardware itself. If you go to Dev tools, then Pointer Location, you can see the reported values for touch pressure and size. When holding down my finger anywhere on the top 2/3 of my screen, the xy and size values jitter like crazy. If I touch the bottom 1/3 of my screen, there is no jittering and the size value is constant.
I think people that are complaining about low sensitivity are mistaken. I think the touch screen response is actually too sensitive, thus causing the jitter and making it hard to click on hyperlinks.
Reducing the touch sensitivity scale and increasing the touch size in the IDC file has helped a lot, but the jitter is still a problem that I hope someone can figure out how to fix.
Sent from my BN NookHD+ using Tapatalk 4 Beta
Click to expand...
Click to collapse
I agree with phammichael that the real issue here would be jittering, but my symptom is different.
This is what I found so far.
- Pinch out to zoom in something (in gallery or web browser) and hold the 2 fingers on the screen.
- If my fingers are on the right side of the screen surface (portrait mode), the screen jitters. You can see the touch values changing fast and continuously by tiny values.
- If my fingers are on the left side of the screen surface, the screen won't jitter and stay calm.
Am I the only one experiencing this issue?
BTW, this is before I applied verygreen's touch screen patch. I will report back after applying it.
pins2u said:
I agree with phammichael that the real issue here would be jittering, but my symptom is different.
This is what I found so far.
- Pinch out to zoom in something (in gallery or web browser) and hold the 2 fingers on the screen.
- If my fingers are on the right side of the screen surface (portrait mode), the screen jitters. You can see the touch values changing fast and continuously by tiny values.
- If my fingers are on the left side of the screen surface, the screen won't jitter and stay calm.
Am I the only one experiencing this issue?
BTW, this is before I applied verygreen's touch screen patch. I will report back after applying it.
Click to expand...
Click to collapse
The jittery right hand side of the screen in portrait mode is the problem - I have this on my HD+ (which was new) and my Dad has it on his (which was new) as does my friend (again a new unit)
There have also been lots of others reporting the same thing on here.
Put the HD+ into landscape mode and the issue disappears.
I've just applied verygreen's 'fix' zip and I have to say that touch response is loads better - clicking links etc works far more reliably (but right hand side of the screen in portrait mode jitters still exist)
Great work as usual verygreen

Left-hand friendly One note app?

Couldn't seem to figure out if i could do this on my own so i came here for any advice!
Basically, i was wondering if you could take the one note app that looks a little something like this:
View attachment 2403414
and change it to be something a little more left hand friendly. Perhaps something like this?
View attachment 2403419
It's a minor change but if you're a lefty taking notes on this device, it makes a HUGE difference. Often times, when bringing my hand down to the device to write, my hand will accidentally touch another note page and switch to that note page. It's quite annoying!
Also, i've tried specifying which hand that i write with, setting it to left handed, but it doesnt seem to make any difference at all. Makes me wonder what it ACTUALLY does....
BrokeEven said:
Often times, when bringing my hand down to the device to write, my hand will accidentally touch another note page and switch to that note page. It's quite annoying!
Click to expand...
Click to collapse
Fellow lefty with surface pro 2 here. I know your problem.
Solution:
Use fullscreen
Hold your stylus closer to the screen when approaching it, so that touch input gets deactivated.
BrokeEven said:
Also, i've tried specifying which hand that i write with, setting it to left handed, but it doesnt seem to make any difference at all. Makes me wonder what it ACTUALLY does....
Click to expand...
Click to collapse
It changes the location where the context menu appears when you right click, so it is not hidden below your (left) hand.

Touchscreen issue (bad grounding)

When I put the device on to any insulating surface such as pillow/bed/couch/table I cannot normally operate it. Touch is being interrupted very frequently. This means in practice that I unintentionally press links while sliding through web pages, it is impossible to organize icons (since icon is dropped quickly), pinch-zoom is difficult, unlocking the device is hard, when text-typing it often doubles the letters etc.
Problems goes away as soon as I plug the charger, or take the device in my hand. This looks to me like a grounding issue, which was annoyingly present in some of OnePlus One and Nexus 7 devices in the past. Desperate users were hoping for a software update to solve the issue but it never came out.
Is anyone else experiencing similar problems with Mi 4c? I also tried flashing different MIUI versions, nothing helped.
Here is a video demonstrating the issue (you can enter hardware test menu by calling *#*#64663#*#* and try it by yourself):
I tested, mine is ok
I never really use my phone that way but out of curiosity, I tested it. Can confirm, issue is there. Touch screen goes crazy when scrolling facebook posts, chrome browser, possibly anywhere until I lift the phone up.
Just noticed that I needed to tap and scroll up/down harder than I used to otherwise I would miss it and the scroll would stop halfway through and will tap on whatever it is on the screen when it stopped.
Basically when I don't tap hard enough when doing the scrolling gesture, that's the time that the touchscreen goes crazy
works proper at my mi4c
I had the exact same problem. It is a defective screen. The problem started appear for me after 3 days of use, so I returned it to the store for an immediate exchange. I am not sure if you are in China or not, but if you are, you can just walk into the store and get a new one on the spot.
for me works perfect
Works ok on mine
Works fine here...
I can't even get the touch test started, running cm12.1, dailing *#*#*2664#*#*does nothing, as well as no other I've tried tested
Stenudd said:
I can't even get the touch test started, running cm12.1, dailing *#*#*2664#*#*does nothing, as well as no other I've tried tested
Click to expand...
Click to collapse
Try it with some app. For a single-touch this one is just fine: play.google.com/store/apps/details?id=com.tsaysoft.touchtest
It draws a continous line and if you lift a finger (or if you have faulty screen) the line disappears.
To test a multitouch function you can play with: play.google.com/store/apps/details?id=com.the511plus.MultiTouchTester
andrazek said:
Try it with some app. For a single-touch this one is just fine: play.google.com/store/apps/details?id=com.tsaysoft.touchtest
It draws a continous line and if you lift a finger (or if you have faulty screen) the line disappears.
To test a multitouch function you can play with: play.google.com/store/apps/details?id=com.the511plus.MultiTouchTester
Click to expand...
Click to collapse
Thank you, I'll try those.
---------- Post added at 09:56 AM ---------- Previous post was at 09:20 AM ----------
Mine is working as expected as well
found solution(the grounding problem is still a thing but this makes it less of an ass)
1) root the phone or just use the developer rom from xiaomi
2)then install Pimp my Rom from google play and grand root
3)go to tweaks-> touch-screen & display-> multi touch amount
and put it on 5.
Hello,
Yes. As a proud owner of one (unfortunately defunct cause I dropped) nexus 7 2013 I can confirm that the behavior is the same... Definitely a grounding problem.
When you leave the phone on a pillow or couch without holding it,bthe screen response is erratic. When you hold it or attach charger.. No problem.
Still beautiful device (the 4c), especially for the price. Snappy.
And smiu is very good made. (not a fan of miui roms...)
This happens only on 16gb version? What about using a plastic case? Does it solve the issue?
Ydraulikos said:
This happens only on 16gb version? What about using a plastic case? Does it solve the issue?
Click to expand...
Click to collapse
I have the 32/3. Same behavior. Not tried wit a case..
i have also found another touchscreen problem, multitouch on sides doesn't work, here the video
https://www.youtube.com/watch?v=uPC7Z2ploxc

Question Multitouch crash when playing PUBG

Hello friends, to begin with, I would like to clarify that I play with two individual triggers, but the error also occurs when I use all four fingers.
My problem is that after 30 or 40 seconds of play I can no longer aim (use the scope)(right side) without first having to lift my right thumb off the screen.
I hope you can help me with this problem since it is very annoying to have to stop touching the screen with my right thumb to be able to aim (use the scope)
Has anyone had that problem when playing PUBG with the S22 Ultra?
Same here been trying to figure out a way to fix it, its really annoying
Bot_droid said:
Same here been trying to figure out a way to fix it, its really annoying
Click to expand...
Click to collapse
Yes and it seems that it only happens to Samsung. The same thing happened to me with an S20+ and now with the S22Ultra. It seems that no one has a solution.

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