Front camera pops-up. But not working - OnePlus 7 Pro Questions & Answers

Does anyone here face the same issue as i have? My device is properly taken care well, havent drop even once. But suddenly my front camera isnt working properly. My back camera works perfectly.
Everytime i use my front camera. It'll just pops up then itll close the camera application.
Tried all the troubleshooting that i can do(safe mode, clear cache force stop, restart) still nothing works.
Whats even worst is that my warranty ended last dec.2020

Factory reset if not then just hardware malfunction

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[Q] Front and Back Camera and LED stopped working after screen replacment

Hi, I'm having an issue with my Nexus 5 which is that the front and back cameras as well as the back LED no longer seem to function. This happens in the stock Camera app where as soon as it is opened, an 'Unfortunately, Camera has stopped.' message comes up and blackness is shown. This also happens in third party apps such as Snapchat where the message 'Snapchat was unable to open the camera. You may need to restart your device ' comes up. In addition, upon attempting to use Tesla LED, the back facing LED does not turn on.
The likely cause that I can see is the recent screen replacement that took place. I ordered this[1] online which came with a new set of cameras as well as a new screen. I took the motherboard, battery and rear case from the old phone and attached them to the new set of cameras and the new screen.
After performing the replacement, everything else worked except the cameras and the LED.
Upon seeing the issue, I tried swapping out the new rear facing camera (that came with the screen replacement) for the old rear facing camera that was in the old phone (the camera still worked before the replacement). After swapping the rear camera the issue was unchanged.
I have tried the following in terms of software fixes:
-Other camera applications - they crash or are black
-Clear cache and application data for the stock camera app - no effect
-Change to ART - no effect
I would greatly appreciate any help or advice that you can offer.
I'd reinstall stock rom and gapps, if they still don't work you know it's a hardware problem for sure. Then troubleshoot from there.
Lokke9191 said:
I'd reinstall stock rom and gapps, if they still don't work you know it's a hardware problem for sure. Then troubleshoot from there.
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I factory reset the device and tried the default Google Apps, still having the same issues.
Any suggestions for hardware trouble shooting?
bhtp said:
I factory reset the device and tried the default Google Apps, still having the same issues.
Any suggestions for hardware trouble shooting?
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As for hardware trouble shooting, being that you know the original cameras worked, all you can do is check the connections . I'd unplug them and plug them back in.
I'd also try flashing the 4.4 stock camera zip and see if that works.
Lokke9191 said:
As for hardware trouble shooting, being that you know the original cameras worked, all you can do is check the connections . I'd unplug them and plug them back in.
I'd also try flashing the 4.4 stock camera zip and see if that works.
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I tried reattaching all of the physical connections and that did not seem to make a difference.
In regards to flashing the 4.4 stock camera zip, would you be able to give me a little guidance as to how that process would occur?
Thanks so much for your help so far.
You'd need to root, install a custom recovery (twrp), use titanium backup to uninstall camera. Then boot into your custom recovery and install the camera zip.
Lokke9191 said:
You'd need to root, install a custom recovery (twrp), use titanium backup to uninstall camera. Then boot into your custom recovery and install the camera zip.
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Sorry for such a long response time.
I updated the phone to 4.4.3.
Interestingly the back facing camera appears to have started working. The default camera application still fails to open, but when I use another application (Snapchat) and have it set to try the backfacing camera first, everything seems to work ok. However, when I switch to front facing the application says that it can't find the camera.
In addition, the back facing LED has begun to work again as well.
Previously, I had switched out the new rear facing camera (that came with the casing) for the old rear facing camera hoping that it might changes things. I recognize retrospectively that my method of testing was flawed as it seems as though regardless of whether one of the cameras is/was working the application would not open.
Hoping that the replacement of the rear facing had caused it to start working, I swapped out the new front facing camera for the old one. Upon testing, the issues with the front facing camera seem to persist.
At this point I'm not sure how to proceed. The lack of functionality of both front facing cameras (the old and the new) would seem to suggest an issue with the connector on the motherboard if the problem were hardware based. I'm not sure, though, if the problem could somehow be in software.
One software phenomenon that I observed is that as soon as I try to use the front facing camera, the back facing camera stops working again requiring the application to be reset. This occurrence has led me to question the causation between the update and the new functionality. It is possible that in my testing of the device before the update, I had simply been opening the front facing camera and upon seeing it fail, and trying the back facing camera and seeing it fail (because I had tried the front facing camera), that I assumed it was not working.
If you have any recommendations on how to proceed I would greatly appreciate hearing them. If not then thanks for all your help.
bhtp said:
Sorry for such a long response time.
I updated the phone to 4.4.3.
Interestingly the back facing camera appears to have started working. The default camera application still fails to open, but when I use another application (Snapchat) and have it set to try the backfacing camera first, everything seems to work ok. However, when I switch to front facing the application says that it can't find the camera.
In addition, the back facing LED has begun to work again as well.
Previously, I had switched out the new rear facing camera (that came with the casing) for the old rear facing camera hoping that it might changes things. I recognize retrospectively that my method of testing was flawed as it seems as though regardless of whether one of the cameras is/was working the application would not open.
Hoping that the replacement of the rear facing had caused it to start working, I swapped out the new front facing camera for the old one. Upon testing, the issues with the front facing camera seem to persist.
At this point I'm not sure how to proceed. The lack of functionality of both front facing cameras (the old and the new) would seem to suggest an issue with the connector on the motherboard if the problem were hardware based. I'm not sure, though, if the problem could somehow be in software.
One software phenomenon that I observed is that as soon as I try to use the front facing camera, the back facing camera stops working again requiring the application to be reset. This occurrence has led me to question the causation between the update and the new functionality. It is possible that in my testing of the device before the update, I had simply been opening the front facing camera and upon seeing it fail, and trying the back facing camera and seeing it fail (because I had tried the front facing camera), that I assumed it was not working.
If you have any recommendations on how to proceed I would greatly appreciate hearing them. If not then thanks for all your help.
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Any updates mate? Did you made it work ?
I opened my nexus to fix the gps. Everything worked fine, until suddenly gps stopped working. I opened again, remove the fix, still the same.
Then my camera stopped working as well. "Cannot connect to camera" or something like this it gave me.
I've updated from 4.4.4 kitkat to android L latest build, and gps works but the camera app crashes, as well as any other camera on market ( either black screen or crash ).
Any help for me ?
Any answer it will be appreciated.
Same exact issue with front facing camera after glass replacement. Anybody find a fix yet?

Weird camera bug

I have a weird camera bug on my phone.
Since a few days ago, every time I switch to the front camera, the camera app crashes and I have to force close and delete data to get it working againg.
This happens on multiple roms with multiple camera apps, so it has to be hardware related.
I opened up my phone to change the screen a few weeks again, but everything was working fine after that until now.
Now the thing is, I opened up the phone again to see if maybe the cable went loose, which it didn't, but when the back was removed the camera was working correctly.
Closed up the phone again, same thing as before, front camera does not work.
What could the reason for this be?
It's software not hardware. Mine won't take screen photo's. It says not enough memory with 4gigs free. I use a widget with extensive reboot /recovery options and that has a screen grab that works. I've had the bugs you have and had to switch roms, providing it's software
How can it be software when the issue persists on different roms, stock roms and after factory reset and with different camera apps. Added to the fact that the front camera worked when I tried it with the phone back removed

Unfortunately, Camera has stopped. [M Preview]

First off, I have not seen this anywhere else, but appologies if i've missed it!
Even on a completely clean install of the M preview, upon opening camera, and once passed the 'OK, GOT IT' button, camera closes. Every time. Regardless of what i do, clear cache, update, remove updates etc. Happens on Preview 1 and 2. Doesnt happen in 5.0/5.1/5.1.1. I thought it might be the fact the camera was damaged being reported in some new way to the system, forcing the closure (i ripped the cable slightly when repairing another part (i know, dumb, but i slipped)), but have since replaced with a new part and still have issues.
Has anyone else had this, and fixed it? Thanks!
Hello, I have the same problem. Unfortunately, my problem persists on older versions of android. My problem seems to be the front facing camera, because with a third party app, the rear camera works. I replaced the front camera, but it still does not work in any app, and the Camera app still does not start. Tried removing the front camera - app again stops working.
That is the same for me. Snapchat will use the rear camera fine, but doesn't register the phone as even having a front camera
ishamm said:
That is the same for me. Snapchat will use the rear camera fine, but doesn't register the phone as even having a front camera
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Same here! I can take photos through Tinder, and download them to my phone (although sometimes the Tinder app will crash too). But whenever I open the Camera app I get the "Unfortunately, Camera has stopped" message. I've tried multiple reboots, closing the app, not closing the app, resetting the cache, etc. Nothing works.
I believe this all started when I tried to take a "selfie" one time (I guess that's God's way of telling me never to do that again). When I switched to the front camera all hell broke loose. Now I'm guessing it's "stuck" on the front camera and I can't run the app even to switch it back!

Camera Failed

So a few weeks after I got the phone I started getting the camera failed message. I've tried every option I've had, clearing the cache, force stopping, removing the sd card, turning off smart stay, even hard resetting the phone and using the complete data cache wipe. Finally I took the phone to samsung and they did their software update/data fix thing and it worked. For about 10 minutes my camera was just fine. Then the error came again, but not as often. I would get the error once then right after the camera would work. So for most of the day everything was just fine. However, then towards the end of the day, it's gone back to how it was before with all error with almost no successful camera app use. I had shown it to samsung again and they were just stumped. They said to try a complete wipe, but I've already done that with no success.
I bring this up because I can't find any recent threads on this issue. Also from what I've seen it's a software issue so do I just wait for a fix for RMA the phone. Everything else about it works fine. Does anyone else have this issue?
Warning: "Camera failed" imposible to solve but dialing *#0*# the camera works
Hi, I have a problem with my front camera in the Galaxy S7 (SM-G930F). It doesn't work and every time that I enter in the front camera appears the message "Warning: Camera failed"
The Rear camera works perfectly but since I've bought the S7 I never couldn't use the front camera
Here is what I have tried:
- Force Stop, Clear Data, Clear Cache, and Clear Defaults
- Clear Cache Partition in Recovery
- Factory Reset through Settings
- Factory Reset through Recovery
- Installed 3rd party camera app
- Installed another OEM ROM through Odin
- Repite everything
And the camera never work.
But.... by entering *#0*# into the dialer and picking Front cam the camera works perfectly and I can take a pictures. but through the app it doesn't work
Another thing that I can do it is, install the Dual-camera MODE and I can use the both two cameras at the same time although the front camera locks very blurry but it is another problem
I need to know if it is a hardware problem or a softwared problem. I don't know if I replace the front camera It will work.
Hi! I have this problem with my front camera I tried every option too and also install another Oficial ROM through odin but it didn't work
Did you solve it?
Try to put *#0*# in the dialer and test the camera. tell me if it works.

Main camera stopped working

Guys my main camera stopped working.
The process is not blocked by any other app.
I tried service menu and test camera, it doesn't perform the test, it fails.
Only way to take pictures is to use gcam v1.4 and manually choosing wide or zoom camera.
When u choose 1x camera it stays black and crashes.
Any ideas?
collller said:
Guys my main camera stopped working.
The process is not blocked by any other app.
I tried service menu and test camera, it doesn't perform the test, it fails.
Only way to take pictures is to use gcam v1.4 and manually choosing wide or zoom camera.
When u choose 1x camera it stays black and crashes.
Any ideas?
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Have you factory reset?
I got the same problem. Just got a black screen and camera app would freeze. Did a factory reset, camera was extremely choppy for a minute or so and now back to nothing.
Tried another factory reset. It seems like if you change the default resolution settings to anything (even tapping on 'FullVision' in settings), it almost breaks the camera. Best to leave it at default 4:3 12 MP resolution.
Seems like a "driver" issue, good work LG.
Did any of you ever find a fix for this? Just got a Korean V50 Thinq and the camera is 99% of the time crashing. I tried installing gcam mods as well and they also crash, primarily while using the main camera.
Got it repaired via LG warranty. They replaced the main/motherboard. Phone has been fine ever since.
Same thing happened to my phone and warranty is expired. I tried the hard reset and may other ways, but nothing helped. Did anyone find a solution for it?

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