Dust collecting under the main lens of Redmi K20 pro - Redmi K20 Pro / Xiaomi Mi 9T Pro Questions & Answe

I've received my redmi K20 pro for only 2 weeks now and I've noticed that my main 48MP lens has been collecting dust since. The phone is in perfect shape. No leakage or anything. I've been using the case that was in the package. Is there anyone else who has the same problem? I've attached the picture.

No similar experience?

I have! But not the main camera, but only under the wide camera.. Annoying, but dont use the wide camera that often!

dave6771 said:
I have! But not the main camera, but only under the wide camera.. Annoying, but dont use the wide camera that often!
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Yeah, you are luckier than me. I donno even why this is happening.

Must be a fault from the manufacturing. Since it has started to build up as soon as I got the phone.

mehrshad.shafaghi said:
I've received my redmi K20 pro for only 2 weeks now and I've noticed that my main 48MP lens has been collecting dust since. The phone is in perfect shape. No leakage or anything. I've been using the case that was in the package. Is there anyone else who has the same problem? I've attached the picture.
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No but my back panel got some thin scretches as I don't use back case or any protector now i am thinking to buy transparent thin protector film for back panel.

Welp, similar issue now rises with Redmi Note 9/9S/9 Pro users at a greater number:
https://piunikaweb.com/2020/08/22/r...e-affected-users-advised-to-get-replacements/
https://c.mi.com/thread-3296978-1-1.html
you can search in the threads for more complaints.

Hi, unfortunately after using k20 pro for a year and half. Now i can see some dust particles collecting under my wide angle camera glass. I don't know whether this is a manufacturer defect or not cause i didn't see that earlier.
By the way do anyone figure out how to clean them?

Related

camera blurry after update to android 9

Hi, I just updated my note 9 to android 9 and my camera is not too good. Lights are very blurry. Does anyone else had the some problem? Have a look on annex, I attached some pictures
Have you tried cleaning the camera lens?
Yes, I have. I got that issue long time ago when I was on sunny holidays and tel was very hot. Next day all was good. Now phone is normal temp and this show up after update to android 9
You know, that really looks like a dirty/greasy or scratched-up lens to me. It's either that, or it could be moisture under the glass. Double-check with a magnifying glass if you need to.
Do also contact Samsung support about this. I'm sure they have some thoughts.
x7nofate said:
Hi, I just updated my note 9 to android 9 and my camera is not too good. Lights are very blurry. Does anyone else had the some problem? Have a look on annex, I attached some pictures
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Definitely not normal. I agree it looks like a dirty or scratched up camera lens. Do you happen to have one of those tempered glass protectors on the lens?
You can always test it by downloading a third party camera app like GCam or Open Camera. If they produce blurry pics, then you have some sort of hardware issue.

huawei p30 Pro overexposure

hi guys
I have huawei p30 pro when i use camera to shoot something in daylight the camera shows an overexposure soo lightly but when i use another camera app it works normal i did everything possible to solve this problem can u guys help me
huawei p30 pro overexposes erratically outdoors
cenailyass said:
hi guys
I have huawei p30 pro when i use camera to shoot something in daylight the camera shows an overexposure soo lightly but when i use another camera app it works normal i did everything possible to solve this problem can u guys help me
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I've got the same problem. The p30 pro overexposes erratically when shooting outdoors. Even when forcing the app to focus and measure on a specific part of the image (by tapping on the screen on specific spots of the image), the exposure is too bright. Even when a temporary improvement can be noticed the image will return to an overall overexposure after a few seconds.
Switching to the PRO settings in the camera app, and making adjustments by hand, gives no solution since the overexposure persists.
This behavior started approx a month ago. I'm currently on build 10.1.0.161.
I would appreciate your feedback.
An example: i.postimg.cc/fbfhZXD9/IMG-20201104-103830.jpg
And even worse: i.postimg.cc/G2PPXLPr/IMG-20201104-102341.jpg
The last picture on the same moment with an Huawei Mate 20: i.postimg.cc/8zFhqBdZ/IMG-20201104-102415.jpg
The same here
Have the same problem with 2 devices, 1 device was tried several times to repair but does not work at Huawei service, I got a new device at the end. Other device here with me is and I've tried everything, but does not work normally. Tried downgrade from 10.1 to 10.0 no success, then downgrade to 9.1 no success, if TOF sensor shut then no overexposure, I suspect the TOF sensor is broken.
Here a Video link
https://youtu.be/8vv-QcQkCCk
Anyone managed to solve this issue? Have sent my phone into Huawei Service centre and they replaced the mainboard and camera setup but the issue still persists.
looks like a hardware problem
JFCES said:
Anyone managed to solve this issue? Have sent my phone into Huawei Service centre and they replaced the mainboard and camera setup but the issue still persists.
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I did a full reset of the phone but the problem persists. The overexposure makes me think of a charge building up on a sensor. Hence the erratic behaviour and the preference for overexposure when outdoors.
My device started overexposing after the backplane was replaced. Seems to me these things are hard to disassemble and even harder to put together again without wrecking something.
Anyway I sent it in for repair. We'll see what becomes of it.
I've noted this problem on my p30 pro... I did rest camera app and delete cash files but the problem still... Do you find a solution
I also encounter this ob my p30 pro. Isnt there any official statement on this? If the problem is the TOF sensor xan we turn it off
any uddates, same problme here after screen replacement...
Focus on the wall or another area if you want focus on sky?
I don't have this issue on my P30 Pro - VOG-L29 - 11.0.0.138
hoopdoetleven said:
looks like a hardware problem
I did a full reset of the phone but the problem persists. The overexposure makes me think of a charge building up on a sensor. Hence the erratic behaviour and the preference for overexposure when outdoors.
My device started overexposing after the backplane was replaced. Seems to me these things are hard to disassemble and even harder to put together again without wrecking something.
Anyway I sent it in for repair. We'll see what becomes of it.
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wha happened?
Having same issue here
ift is the tof sensor, put some tape over and the problem is gonnne. something is missing in the back cover, some kind of rubber or plastic cover , missing piece making tof sensor sense bad
ing.edgar.v said:
ift is the tof sensor, put some tape over and the problem is gonnne. something is missing in the back cover, some kind of rubber or plastic cover , missing piece making tof sensor sense bad
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This works. i covered the tof sensor with duct tape and the overexposure doesnt happen anymore. My question now is...what am I missing out now that I covered the TOF sensor. Would i ve getting worse portrait shots?
zbk101 said:
This works. i covered the tof sensor with duct tape and the overexposure doesnt happen anymore. My question now is...what am I missing out now that I covered the TOF sensor. Would i ve getting worse portrait shots?
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this happens because inside, there must be a rubber grommet around the sensor. I opnened my phone and is missing, because huawei replaced the screen and didnt put it back again. Im going to have to go again to the store and make them realize, luckyly i have 2 p30 pro and i can show them the missing piece. But to solver ur phone must be oppened
I have the same problem, pls can you show me with pictures how can i cover the tof sensor. I covered the tof sensor (this eye under the flash) with duct tape but no fix. The problem appeared after screen and back cover replacement. When i don't put the back cover i dont have the problem, its working good so im little bit confused.
Johnyal said:
I have the same problem, pls can you show me with pictures how can i cover the tof sensor. I covered the tof sensor (this eye under the flash) with duct tape but no fix. The problem appeared after screen and back cover replacement. When i don't put the back cover i dont have the problem, its working good so im little bit confused.
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The problem is the rubber grommet that is written above. I accidentally lost this part but thank god i have similar spare parts from other phone and i managed to install it to this phone. And voila the problem gone.
also encountered this issue, i thought the reason its just after i upgrade the emui 11. But its not. I remember after i brick my lcd and replaced it, in the back camera in TOF sensor there is a rubber surrounding the tof and the "Flood illuminator aperture", they forgot to return back the rubber surrounding it.
The purpose of this rubber cover surrounding it is to protect the too much light ambient that reflects it to the flash and asl aperture reflection glass. But since the technician lost its rubber that surround the tof sensor, we put a small black tape between the als aperture reflexion glass and the flood illuminator aperture.
After we done it, my camera exposure back to normal. Hope this helps. Thank you.
ing.edgar.v said:
this happens because inside, there must be a rubber grommet around the sensor. I opnened my phone and is missing, because huawei replaced the screen and didnt put it back again. Im going to have to go again to the store and make them realize, luckyly i have 2 p30 pro and i can show them the missing piece. But to solver ur phone must be oppened
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Hi, but in this case all looks that phone has been opened by someone - I have just bought now one - Believe is new - but form the description and solution you are giving, looks that has been only sold as a new, not refurbished.
I have new emui 11.0.0.159.
Phone is still with warranty - I think will have to go to the Huawei Service to manage it, because opening phone by myself will crash the warranty.
Jeyr755 said:
also encountered this issue, i thought the reason its just after i upgrade the emui 11. But its not. I remember after i brick my lcd and replaced it, in the back camera in TOF sensor there is a rubber surrounding the tof and the "Flood illuminator aperture", they forgot to return back the rubber surrounding it.
The purpose of this rubber cover surrounding it is to protect the too much light ambient that reflects it to the flash and asl aperture reflection glass. But since the technician lost its rubber that surround the tof sensor, we put a small black tape between the als aperture reflexion glass and the flood illuminator aperture.
After we done it, my camera exposure back to normal. Hope this helps. Thank you.
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I am currently traveling through Asia and I thought it would be a good idea to visit the official Huawei Service on my last day in Kuala Lumpur for a battery replacement. Well, the battery is great again but all my pictures are overexposed now so I bet they lost that rubber part. Problem is that I already traveled to Indonesia so I can't bring the phone back to the store.
Taping the TOF lens with black electrical tape didn't do the trick for me although it seemed to work when I was covering the sensor with my finger. Now I'm wondering if it is really a problem with light leaking and not heat?
PS: after going to Huawei in Malaysia, my German Huawei warranty is void. This sucks!
Jeyr755 said:
also encountered this issue, i thought the reason its just after i upgrade the emui 11. But its not. I remember after i brick my lcd and replaced it, in the back camera in TOF sensor there is a rubber surrounding the tof and the "Flood illuminator aperture", they forgot to return back the rubber surrounding it.
The purpose of this rubber cover surrounding it is to protect the too much light ambient that reflects it to the flash and asl aperture reflection glass. But since the technician lost its rubber that surround the tof sensor, we put a small black tape between the als aperture reflexion glass and the flood illuminator aperture.
After we done it, my camera exposure back to normal. Hope this helps. Thank you.View attachment 5311919View attachment 5311921View attachment 5311923
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Woo.. amazing.. old thread.. but it works... now my photos look normal even in bright white sky... i canceled sell my phone.
Thx mate

Question Camera protection good or necessary?

What are your experiences with the camera area? Is it necessary, helfpful or bad to use an extra protection glass around it?
I bought this one (or identical) even before my device arrived, and using it since day 1, so I do not know honestly the experience without it.
AU $4.17 10%OFF | CHYI 3pcs camera tempered glass for xiaomi 11 Ultra lens protector Scratch resistant lens camra film for mi 11T pro lite 5G NE
https://a.aliexpress.com/_mOv7Iew
Thanks. I was hoping to find out wheteher it influences camera quality.
You really gave a cover without holes for the camera? Does that work fine?
friscoboi said:
Thanks. I was hoping to find out wheteher it influences camera quality.
You really gave a cover without holes for the camera? Does that work fine?
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The one that I used is with holes. First for the IR and second for flash.
I saw a few without holes but I did not buy as I read that it affects focus.

Question Broken "REAR DISPLAY"

Hi,
It seems I have a very peculiar problem at hand as there is absolutely no info about it anywhere. I happened to drop my Mi 11 Ultra from about 6 feet height and it landed with a thud with the display facing down. Luckily the display survived. No crack, no damage nothing but then came the shocker. Somehow the rear display has cracked. The glass protecting the camera lenses and the rear display itself is fine but the rear display has a few cracks and it has become dead.
I quickly checked the rest of the phone, everything's just fine. Now I did not think that replacing the rear view display would be such a big problem but when I contacted Mi Customer care via Online chat, they said that the rear display can't be replaced in India!
I saw a couple of teardown videos of the Mi 11 Ultra and it seems that the display is molded/sealed or embedded into the ceramic back. So technically it seems to look like as if replacing the ceramic back means the rear display will by default come with it.
Can anyone please confirm this? Mi Customer Care seems to be useless. Need your input guys. I will be really grateful. Thanks!
Well, this link answers your question:
AU $50.29 10%OFF | 100% Original Best Rear LCD Display Touch Screen Digitizer For Xiaomi Mi 11 Ultra Mi11 Ultra with Back Camera Glass Lens
https://a.aliexpress.com/_mrqbqRA

General Pixel 7/7 pro camera Anti-reflection coating

Hi, since the pixels suffer from lens flare, have you ever tried to put an anti-reflection glass on the cams? Could it work? I just don't know where to buy this type of glass
It isn't the best idea, since the "glass" that really matters is on the top of the sensor's surface, not the external glass we could touch.
sorry, I thought it was really what could be changed ... ok I tried ... thanks for the information
Antor84 said:
sorry, I thought it was really what could be changed ... ok I tried ... thanks for the information
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Lens flare is supposed be a problem with the misalignment of the layer between the sensor.
Nothing we could fix much..
that is, is it a construction problem between the sensor and the lenses?
However, I did a search and there are "homemade" methods, which explain how to make an anti-reflection coating. Maybe if it can work, I'll test it on my Xiaomi mi9t and publish the results
Antor84 said:
Hi, since the pixels suffer from lens flare, have you ever tried to put an anti-reflection glass on the cams? Could it work? I just don't know where to buy this type of glass
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Sony xperias use zeiss lenses,maybe ask google to do the same

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