P20 Pro Camera Error / Not Starting - Huawei P20 Pro Questions & Answers

Hello there
This is regarding a P20 Pro (running Pie EMUI)
Getting some error as following : suddenly, the camera won't start at all / black screen
(attached a screenshot that usually displays when attempting to start the camera)
Usually goes away after a restart, but not all the time
Is this a hardware malfunction or?
Any suggestions appreciated
Thanks a lot

Could be either hardware or software, first step, find camera app in settings and clear data.
If no result,, backup and reset phone, if this fails to cure it, then its likely hardware so contact carrier or huamwei
Sent from my CLT-L09 using Tapatalk

Hi I have the same problem. It works after restarting the phone but it is just temporary fix. I tried cleaning cache and data, factory reset no change. Interestingly the issue is reported on other forums. I don't know is it software or hardware problem

This thing started with that ****ty Pie update. if you can rollback do it, i sadly cannot since my region dont support it, hope this **** got fixed next patch.

Related

P9 camera unable to start

So some said it's because I updated my Android OS from Marshmallow to Nougat. It's actually a month after I upated my P9 and everything worked perfectly fine until such time when I can't start my camera. It just gives me a black display and exit instantly! I tried wiping cache, that force stop and clear data thing, hard reset, reset via settings, tried using other app that can possibly open it, however, the front camera is still working only not through thr stock app. And even the flashlight icon was gone. Now my last option wss to rollback to Marshmallow which I did aaaaaand it still didn't solved my problem. I wouldn't say I've abused my phone since I happened to know someone who has the exact same issue as mine. And both of us are waiting for a solution. Please. I've been reading post from this forum but I can't find one related to my problem.

air trigger not working as before

Dear guy
After I update to 1910.34 yesterday on my tencent phone , my right air trigger not working well I need to press so hard near lockscreen button to make it work even I set lowest force level and sensitive bosster turn on.
Does anyone have the same issue like mine? And is this hardware and software issue ?
Same but republic of gamers here delay response time
Chea Chandarin said:
Dear guy
After I update to 1910.34 yesterday on my tencent phone , my right air trigger not working well I need to press so hard near lockscreen button to make it work even I set lowest force level and sensitive bosster turn on.
Does anyone have the same issue like mine? And is this hardware and software issue ?
Click to expand...
Click to collapse
Try update to 1910.44. This fix the problem
right air trigger is not working perfectly
Problem not resolved after update also.
Left Air-Trigger button not working properly
Yesterday my phone's left air-trigger started to loose its connection or something. I had to press really hard for it to notice that I am pressing the button. And even when I am holding it, it again looses its connection in between. Firstly I thought that it was app specific but then I tried it on multiple games and the issue was same on all. This has made it almost unplayable. Then I thought may be it will get fixed by updating the phone. But even after updating it to 1910.64 (which is latest by this day) the air trigger were not working as they were on the day of purchase. Please let me know if it is a software issue or a hardware issue. And if you need more information I will happy to provide them so feel free to ask. BTW I purchased this device this month only.
Have u tried folks factory reset?
arpitsinha said:
Yesterday my phone's left air-trigger started to loose its connection or something. I had to press really hard for it to notice that I am pressing the button. And even when I am holding it, it again looses its connection in between. Firstly I thought that it was app specific but then I tried it on multiple games and the issue was same on all. This has made it almost unplayable. Then I thought may be it will get fixed by updating the phone. But even after updating it to 1910.64 (which is latest by this day) the air trigger were not working as they were on the day of purchase. Please let me know if it is a software issue or a hardware issue. And if you need more information I will happy to provide them so feel free to ask. BTW I purchased this device this month only.
Click to expand...
Click to collapse
Hi Everyone! Hope you all are well.. @arpitsinha explained..
I am facing the same issue since January update and its remains same till date.. i tried hard resetting, Rollback on android 9, again updating to letest android 10 and may 2020 update as well.
I also wrote mail to Asus about the same but their responce was cold and told me to visit Asus Service center after Lockdown. I also watche youtube video where a guy suggested to clean teigger spot with spirit and or try removing Back cover and use phone naked.. pointless but i did tried ...
Finally after trying all options I did something that didn't resolve My mobile issue but it resolved mine..
I stared using 4 finger.. hope asus acknowledge it and resolve this issue soon.

*SOLVED* Galaxy S10 rotate sensor issues after update to One UI 3.0

*SOLVED*
Hi all,
Have my Galaxy S10 SM-G9730 Dual Sim (unrooted) for about 18months now and has never skipped a beat.... until the new One UI 3.0 update that I got a few days ago.
After a restart everything works fine then after 15min-2hrs I will lose auto rotate, screen brightness is also less responsive (proximity sensor seems to be ok). Toggling auto rotate/adaptive brightness on/off does nothing.
Same issue across all apps (Youtube, Camera, Messaging etc.)
Going to the *#0*# - SENSOR menu shows me that:
Accelerometer Sensor is responsive (x, y, z axis all change to reflect movement) but the "IMAGE TEST" doesn't rotate the image of the dog. Should it?
Gyroscope Sensor doesn't move at all, is it supposed to? "GYRO SELFTEST" shows a PASS.
I downloaded the app "Sensor Test" and most of the sensors give me the error:
"This sensor doesn't report any readings, seems you have error with sensor service in device firmware"
I have tried the following:
- Toggle auto rotate on/off.
- Restart phone (using power button - restart & using power & Vol down combo)
- Cleared cache from Bootloader menu.
- Settings - Apps - Reset app preferences.
- Factory reset (using both settings - Factory reset & using bootloader factory reset)
I have a feeling it is an app that isn't updated to run on One UI 3.0 but I have no way of finding the guilty app.
Called Samsung who were no help (try restart, try factory reset, send it to us but we will charge you as Samsung don't have international warranty , even though yes we agree that it was our update that probably caused it)
Seemed to be good for about 10 hours after the factory reset but came came again,
Anyone come across this and found a way out?
*edit* just checked after restart and Gyroscope Sensor shows values after restart (while auto rotate is working), This leads me to believe it is 100% the gyroscope at first which in time leads to the accelerometer also not working.
*edit x2* well I've just restarted my phone then went through every single app 1 by 1 (downloaded and bloatware) and checking for rotation after each app launch, that is: launch app, test rotation, close app, test rotation and do that 172 times!! I task killed maybe 5 times during the process..
after opening every app I still have auto rotation which leads me to believe its some system background process and not a 3rd party app issue. Damn..
Is there any way for me to monitor these? or monitor sensors stopping functioning?
*SOLVED* See post #6 below
I have same problem. After updating to one ui 3, the rotate sensor stops working after a while and only a reboot helps. Galaxy Note 10+ N9750 (snapdragon). Can't find fix yet
Same problem, autorotate feature is not working after software update (Samsung Galaxy S10 SM-G9730, One UI 3.0, Android 11)
Same thing here! If you read this please send a bug report to samsung we we can get their attention.
Didn't see anything on Reddit about it may be fixed on 3.1
Let's find out
*SOLVED*
Ok then, finally seem to have this sorted.
What I ended up doing was:
Downloading the latest firmware (the firmware that caused the problem) using frija.
I took a complete backup onto my laptop using Smart Switch.
I then flashed the firmware using Odin but again after a few hours sensors started to drop off again.
I then flashed the firmware again using Odin but this time I performed a nand erase while flashing.
Pushed my backup back onto my phone from my laptop using Smart Switch.
And hey presto!
This seems to have sorted it, I'm now well into day 2 and still working 100% which is the best it has been since the OTA firmware update.
Hopefully that will help others
My phone is doing this as well, I've got a US unlocked phone overseas as well. I followed your instructions and did the nand erase but after 2 days the sensors started messing up again.
tkwesa said:
My phone is doing this as well, I've got a US unlocked phone overseas as well. I followed your instructions and did the nand erase but after 2 days the sensors started messing up again.
Click to expand...
Click to collapse
It's the firmware..samsung is releasing buggy firmware..received 3.1 update yesterday... seems to have solved proximity and autorotate issue..smartview and NFC still not working for me.
So they force us into an update that breaks the phone and don't let us go back to the previous version of the software? That doesn't sound right.
Another marketing scam to get us on to the S21.
Same problem with S21 Ultra after Android 13. Rotate sensor flips 90degrees after some day or two of use. Now it was messenger that was active when the flip came.....
Any solutions apart from reflashing via 3rd party? That's quite a job to reset the phone.
Thanks!

Weird problem with p20 pro, any solutions ?

Hello everyone, i hope that you are doing well.
So i have this weird problem with p20 pro that started 2 weeks ago, when i use it it freezes and stops working, sometimes it restartes and the other times it blocks outs and stop responding to any of the touches and wont power on and doesnt even respond to the charger, and then open by itself after one or two days.
I tried to change the firmware with eRecouvery and Hisuite, wape cache and data but the problem is still...
Anyone has any idea about this problem ?
Still works flawlessly for me... Updated recently to .190, April 21 security patch
Im also on 190 with patch1
You might have a misbehaving app(try to guess it and uninstall or reset phone, add them gradually). The worse case is it might be physically damaged(shock/water/etc)

Question AOD bug

My oneplus 10 pro has AOD problem. It started a few days ago.
After screen lock, the screen turns back on and off quickly. The AOD does not appear.
I already did the test with all the AOD settings, I changed the background and nothing resolved.
I've already tested all screen lock settings and it didn't work.
I can't format my cell phone at the moment but if there is no solution I will do it.
I need your help.
oneplus 10 pro 5g
model NE2215
android version 13
compilation number NE2215_11_C.26
Thanks.
blackffear said:
My oneplus 10 pro has AOD problem. It started a few days ago.
After screen lock, the screen turns back on and off quickly. The AOD does not appear.
I already did the test with all the AOD settings, I changed the background and nothing resolved.
I've already tested all screen lock settings and it didn't work.
I can't format my cell phone at the moment but if there is no solution I will do it.
I need your help.
oneplus 10 pro 5g
model NE2215
android version 13
compilation number NE2215_11_C.26
Thanks.
Click to expand...
Click to collapse
There is no background for aod. Make sure aod toggle is on and pick a digital clock. If you are rooted disable all magisk modules and reboot to see if you messed something up.
Guys,
Oneplus support answered me about the matter. See below.
Hi Leonardo,
Thank you for the revert. Hope you are doing good.
I recommend trying to Hard Reset the phone. Since this will wipe your phone data, please make sure to backup your data files before doing the Hard Reset.
Backing Up The Data: You can sync your Google account to back up the Application data, WIFI settings, pictures and contacts. Do ensure you have enabled auto sync and backup data from settings. For music, video or other files, you can copy the files to computer by connecting the USB cable.
Please follow the instructions given below to perform Hard Reset steps:
* “Power OFF” the device and press the volume down and Power buttons simultaneously for 15-20 seconds
* Select the Language as "English"
* The recovery screen will appear on the display
* Select "Wipe data & cache"
* You should have three options saying “Reset system settings”, “Wipe cache" and “Erase everything”
* Please tap on "Erase everything”
*This would perform a reset on the phone and once the reset is completed successfully, * Select “Yes” & "Reboot” the device.
If the issue still persists even after performing all the provided steps, please get back to us. We will surely assist you with the information available.
Looking forward to your response.
Regards,
Aaron Frank
OnePlus Support.
That's the default answer they provide for every possible issue.
I did what was suggested and it worked.
Of course it did. That's basically a "switch it off and on again" on steroids.
My point is that a lot of times a factory reset is overkill, but from a helpdesk perspective that's the cheapest way to take care of the vast majority of calls witout even looking into what the issue is.
I contacted them a while ago while the .21 firmware had an issue with Android Pay, caused by Work Proflie and Clone System. It took me (and a few others) a bit of time what the actual root cause was and offer a fix. 1+ helpdesk would have still advised to facvtory reset, instead of even just looking for an actual fix.
And the issue Back again
Try to think about the exact steps you've done after the reset.
OK. after the hard reset it was working fine. The problem restarted for no specific reason. I restarted the device and the problem stopped. Then it came back. after this last system update this problem started. on my OnePlus 7 pro I didn't have this problem. I upgraded to 10 pro thinking it would get better now I'm worried about this rapidly flickering screen after lock. I continue to contact OnePlus support.
Guys, I sent another email to Oneplus support. I'm still waiting for help. Is my device faulty? Email below.
Gentlemen, good morning.
Unfortunately my problem goes far beyond what I imagined. It is not a problem of always on the display only because when I disable the service the problem continues. I've already done the Hard Reset 2 times and the problem continues. I even did the installation without using any previous configuration, however the problem ends up returning. My Oxygenos 13 version doesn't have the option to downgrade to Oxygenos 12. Am I starting to see that this is a problem specific to my device or am I wrong? Would it be a defect? This is giving me a lot of concern as with the screen flickering quickly I am afraid of my screen getting damaged. Please I need your help.
Guys, good morning. Vídeo Oneplus 10 pro bug / vídeo 2 Oneplus 10 pro bug 2
One more update for you.
I downgraded to Oxygenos 12.1. At first everything was fine. I went to sleep. When I woke up the problem came back. I'll send you a video.After restarting the phone the problem stopped. However, it is clear that this problem is on my device and not only on the operating system. I'm starting to believe it's a bug.
blackffear said:
Guys,
Oneplus support answered me about the matter. See below.
Hi Leonardo,
Thank you for the revert. Hope you are doing good.
I recommend trying to Hard Reset the phone. Since this will wipe your phone data, please make sure to backup your data files before doing the Hard Reset.
Backing Up The Data: You can sync your Google account to back up the Application data, WIFI settings, pictures and contacts. Do ensure you have enabled auto sync and backup data from settings. For music, video or other files, you can copy the files to computer by connecting the USB cable.
Please follow the instructions given below to perform Hard Reset steps:
* “Power OFF” the device and press the volume down and Power buttons simultaneously for 15-20 seconds
* Select the Language as "English"
* The recovery screen will appear on the display
* Select "Wipe data & cache"
* You should have three options saying “Reset system settings”, “Wipe cache" and “Erase everything”
* Please tap on "Erase everything”
*This would perform a reset on the phone and once the reset is completed successfully, * Select “Yes” & "Reboot” the device.
If the issue still persists even after performing all the provided steps, please get back to us. We will surely assist you with the information available.
Looking forward to your response.
Regards,
Aaron Frank
OnePlus Support.
Click to expand...
Click to collapse
No disrespect, but official support should be your absolute last option. Most of them lack adequate knowledge and training.
TheMystic said:
No disrespect, but official support should be your absolute last option. Most of them lack adequate knowledge and training.
Click to expand...
Click to collapse
I agree with you. I've been trying to resolve this for days and they haven't found a solution yet. I'm coming to conclusions with the help of other users and forums. It's disheartening.
blackffear said:
I agree with you. I've been trying to resolve this for days and they haven't found a solution yet. I'm coming to conclusions with the help of other users and forums. It's disheartening.
Click to expand...
Click to collapse
If factory reset didn't resolve the problem, then it very likely is a problem with the OS, assuming you aren't using any mods that interfere with AOD.
Check on OnePlus community site too. That would be the best place to start.
TheMystic said:
If factory reset didn't resolve the problem, then it very likely is a problem with the OS, assuming you aren't using any mods that interfere with AOD.
Check on OnePlus community site too. That would be the best place to start.
Click to expand...
Click to collapse
After the Downgrade to version 12 I realized that the problem took a while to happen but it reappeared. With less damage than version 13. When I updated again to version OxygenOS 13 the problem already restarted at the first moment. I don't use any MODs. I use the original unaltered version. I haven't done the formatting on the computer yet. Would you recommend a clean format? If so, any tutorial recommendations?
blackffear said:
After the Downgrade to version 12 I realized that the problem took a while to happen but it reappeared. With less damage than version 13. When I updated again to version OxygenOS 13 the problem already restarted at the first moment. I don't use any MODs. I use the original unaltered version. I haven't done the formatting on the computer yet. Would you recommend a clean format? If so, any tutorial recommendations?
Click to expand...
Click to collapse
Based on what you have said so far, it appears that this problem was not there earlier when you were on Android 12. But now after upgrading to Android 13, the problem has started and it continues to be present even if you downgrade back to Android 12.
Is it possible for you to record a video of this behaviour and post it here? I would also like to see your system settings for display, lockscreen and AOD.
TheMystic said:
Based on what you have said so far, it appears that this problem was not there earlier when you were on Android 12. But now after upgrading to Android 13, the problem has started and it continues to be present even if you downgrade back to Android 12.
Is it possible for you to record a video of this behaviour and post it here? I would also like to see your system settings for display, lockscreen and AOD.
Click to expand...
Click to collapse
That. You said it all. I will send the links to the videos here on system 12 and 13.
blackffear said:
That. You said it all. I will send the links to the videos here on system 12 and 13.
Click to expand...
Click to collapse
vídeo OxygenOS 12 https://drive.google.com/file/d/1Ft8_SAO8wmGmXY13y3wny8GII22c2kQ0/view?usp=share_link
vídeo OxygenOS 12 https://drive.google.com/file/d/1QNguxZtHJzPPyT_C91P2vd7zVcaWfCvZ/view?usp=share_link
video OxygenOS 13 https://photos.app.goo.gl/QdoGvdmu1T1gUtex5
blackffear said:
vídeo OxygenOS 12 https://drive.google.com/file/d/1Ft8_SAO8wmGmXY13y3wny8GII22c2kQ0/view?usp=share_link
vídeo OxygenOS 12 https://drive.google.com/file/d/1QNguxZtHJzPPyT_C91P2vd7zVcaWfCvZ/view?usp=share_link
video OxygenOS 13 https://photos.app.goo.gl/QdoGvdmu1T1gUtex5
Click to expand...
Click to collapse
I hope you haven't enabled power saving on your phone. But check that.
Also, go to
Settings/ Apps/ App Management
Click on 3 dots on top right
Show System
Search for AOD
Click on it and clear data for that app
See if it helped.
Also, try changing AOD from ALL DAY to Power Saving or Scheduled if the above doesn't help.
TheMystic said:
I hope you haven't enabled power saving on your phone. But check that.
Also, go to
Settings/ Apps/ App Management
Click on 3 dots on top right
Show System
Search for AOD
Click on it and clear data for that app
See if it helped.
Also, try changing AOD from ALL DAY to Power Saving or Scheduled if the above doesn't help.
Click to expand...
Click to collapse
I've done all that and it didn't work. I have already tested all these options.

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