Mi9 camera bug (turns on itself) - Xiaomi Mi 9 Questions & Answers

Hi,
firstly i don't know if that's good place to post.
I have experienced a bug with camera for a couple of weeks. At some point i noticed that camera runs by itself when the phone signal changes (usually from LTE to 3G). When I'm on wifi the problem doesnt occurr. Before updating to Miui12 the bug was less annoying as i turned off all camera permissions. The camera then was turning on but immediately closing. Now, after Miui12 update i did the same with permissions, the camera runs with Black screen(similarly to miui 11), but i usually need to close it manually. That's really annoying especially when I'm using some apps which minimized need to be run again from the intro screen.
Have someone experienced similar problem? Any ideas how to solve? Thanks in advance.

Related

CM10 Bug Thread

As poeple keep aksing the same questions over and over again in the official CM10 thread I tought it might be a good idea to have a dedicated bug thread. I will try to maintain the first post as good as possible. It should give you an overview of bugs and workarounds.
Following are known bugs with workarounds:
Slow charging bug
Restart phone with cable pluged
Battery drain on wifi
In advanced settings of WLAN don't choose the option to keep activated always the wifi
Apollo chrashes
Clear cache and data of appollo app in "manage apps" menu
Noise during Call, muted mic
Use a CM Rom for the new bootloader
Following are known bugs withouth workarounds:
Voice/Video call in Gtalk doesn't work (FC)
Panoramic photo mode chrashes somtimes
only continuous autofocus in videocam
notification bar isnt able to be tranparent, even with themes
no CRT on/off animation
non selectable pieces in enrgy-switch-widget
Bluetooth is loosing connection
Camera flash does not work without tapping-to-focus before hitting the shutter
No face unlock
HDMI output is rotated by 90 degree
Fixed Bugs
Screen turning randomly turning on (CM 1105)
Headset button works. This concerns those who use a proper Android headset that has a button for answering calls and pausing music. (CM 1105)
Other things to know
No LED Notification. This is actually not a bug. It is a feature which is not implemented yet.
Voice/Video call in Gtalk doesn't work (Gtalk gets FC'ed).
There is already a post maintained in another thread (can't tell which one) with an exhaustive list of known bugs, but I've only got these (as far as I know), gtalk and no audio in call.
screen randomly turning on. happens much more with wifi on, like constantly, but now i changed to 1105 nightly, so ill see if this is gone or not.
every time after rebooting phone resets «vibration + sound»... after reboot: only sound (no*vibration)
kukharski said:
every time after rebooting phone resets «vibration + sound»... after reboot: only sound (no*vibration)
Click to expand...
Click to collapse
Can't confirm this bug. I still have vibration after reboot.
After 1day of use (and a full charge), microphone didn't work need to reboot
(1104)
(NOT solve in 1106)
The Parnoramic photo mod can't save picture
(1104 + CWM 6.0.12)
Datetime zone (solve in 1106)
aze2 said:
After 1day of use (and a full charge), microphone didn't work need to reboot
(1104)
The Parnoramic photo mod can't save picture (sdcard problem?)
(1104 + CWM 6.0.12)
Click to expand...
Click to collapse
I don't think it's a sdcard problem as I do not have any issues with the sdcard. Sometimes I am able to shoot Panorama fotos. Somtimes I am not.
charged all night. woke @ 75%. bad =/
1. only continuous autofocus in videocam
2. notification bar isnt able to be tranparent, even with themes
3. no CRT on/off animation!
4. non selectable pieces in enrgy-switch-widget
R0B3RTF1SH3R said:
charged all night. woke @ 75%. bad =/
Click to expand...
Click to collapse
What did you have on?
If you left it with wifi on it kinda makes sense it charged really slowly... if you believe that wifi is that enormous battery drainer everyone says it is (since I flashed v30a BB I have a battery life very similar to what I had with CM7, which was pretty good).
Flash light in photo camera is not working for me even when set to flash on.
With other camera apps it works. Can someone confirm?
My phone having randomly BSOD's.
Phone won't wake after sleep, have to take out battery. I have noticed some others have reported this in CM10 thread..
Bluetooth often does not connect to my car handsfree right away and often I have to turn BT off then on again on the phone to connect.
Bluetooth calling often gets cut off mid-call or briefly interrupted by waterfall noises.
Camera flash does not work without tapping-to-focus before hitting the shutter. Also the viewfinder lags a lot.
Whenever a new nightly is flashed on, it tends to disrupt the Bluetooth settings and force me to manually delete and repair.
The touch buttons don't light up during a notification when the screen is off (they used to in CM7).
Caller id, hidden number not functionnal in phone parameters / additionnals settings
Sent from my LG-P990 using xda app-developers app
Would help a lot if all of us shared the ROM version because some bugs are ROM related.
With 1107:
No face unlock
No full size panorama
Only continuous autofocus in videocam
Camera flash does not work without tapping-to-focus before hitting the shutter
Other bugs are not important to me so far.
Camera flash works for me,you need to turn that in options,works in cm and 4.2 camera
xilw3r said:
screen randomly turning on. happens much more with wifi on, like constantly, but now i changed to 1105 nightly, so ill see if this is gone or not.
Click to expand...
Click to collapse
got the same problem. Really annoying.
Only solution i found is this: http://forum.xda-developers.com/showthread.php?t=1674661
But i really don't want to do it, upgrading to the newest nightly and checking if the problem persists.
Edit: Updated it per CM-Updater (the one in "About the phone") and it's working great now, no random lightening up)
McKevin78 said:
Flash light in photo camera is not working for me even when set to flash on.
With other camera apps it works. Can someone confirm?
Click to expand...
Click to collapse
yes , same problem .. but after install Ucam pro flash is OK , and Ucam is much better :good: Try Ucam
help i cant restore a nandroid backup of cm10
it says error while restoring /system
any help??
Sent from my Optimus 2X using xda premium
With more than 10 installed Apps, that will open slow, need around 3 sec
RAM has space enough (80-100MB)
The Apps are working fine.
Otherwise no problems, Stop, the Akku Drain under WIFI:crying:

Extreme lag when using camera, eventually leading to "could not open camera" error

Extreme lag when using camera, eventually leading to "could not open camera" error
I'm quoting this from Reddit because I am having the exact same problem:
"This randomly started happening about a month back. My front and back facing camera would lag intensely while I try to take a photo. When I move my phone around while using the stock camera app it would show everything in a frame by frame motion. When I go ahead and switch over to video mode the app freezes and then eventually crashes. This problem also happens in my Snapchat app. After either the camera app crashes or the Snapchat app crashes it causes extreme system lag and I can't use my phone for about 20-30 seconds. I have tried factory resetting my phone and it worked like normal for a few days and then the same problems started to occur. I have also tried clearing my cached data. Anyone else have this problem or know how to fix it?"
I'm on Chroma (4/5 build, 'stock' kernel, no xposed) and the person that posted this on reddit is completely stock.
Any help or insight would be greatly appreciated.
Thanks.
If it's happening on both a custom ROM and stock ROM, it's a hardware problem. Call Motorola.
The same happens to my nexus 6, under 6.0.1.
I don't think it's hardware: try using it on safe mode (when turning it off, push and hold the power off confirmation on screen). You'll notice that the lag in the camera app is completely gone. Any thoughts?
Safe mode certainly wouldn't hurt here, and it wouldn't be the first time I was wrong, and not the last either.
This only started happening with marshmallow for me. It was really noticeable too on Android N preview but it seems to have gotten better now. Idk, but I hope it will be fully fixed by the time N is officially out
I have this issue also, my camera app is kinda unusable, with all that lag and glitches, but it works awesome in safe mode... Did anyone found fix for this?
DUmb question...how do I get to "safe mode"?
I still have the problem with the latest Android N official ROM after flashing and clean install. Before I had the DP5 but unencrypted & it was a little bit better. Any solution / ideas?
Jep56 said:
DUmb question...how do I get to "safe mode"?
Click to expand...
Click to collapse
Hold the power off popup instead of just tapping it.

anyone else having this weird camera freezing

Having issues with the camera in every app that uses it. It's kind of killing the entire expreience of any memories I try to capture. Snapchat and OG are the worst... But even the built in app freezes constantly. Reboots don't seem to be helping.
Any known fixes

Cant connect to camera, Random camera crash and device reboot..(9.0.0.191)

Hey guys, i got the latest patch with the juanuary update a few days ago, (9.0.0.191) and started noticing that the camera crash alot, i havent had asingle crash in older android versions and security patches, but now its unbearable, the camera app will take a photoand then when you check the gallery you get a infinite load screen on top of the photo, if the photo trigger the auto HDR it will crash, reopen and put "cant connect to camera", one time using hdr the photos taken had some weird green line pattern all over the photo, and the app some time will even force the device to reboot, basically my camera experience is crippled. I did a factory reset to the phone, hoping that maybe a fresh start will help, but no, so i ask you guys if someone had a similar problem or fixed something similar, or there is a way to report this bug to huawei.
I have exactly the same problem after the update to Android 9. It crashes after a day or so. Clearing the apps cache works every now and then, but most of the time I need to completely reboot. Then the camera works again for a couple of hours or maybe the whole day.
Super annoying and its sure to crash at the time when you want to take that perfect picture when something funny happens.
nortish said:
I have exactly the same problem after the update to Android 9. It crashes after a day or so. Clearing the apps cache works every now and then, but most of the time I need to completely reboot. Then the camera works again for a couple of hours or maybe the whole day.
Super annoying and its sure to crash at the time when you want to take that perfect picture when something funny happens.
Click to expand...
Click to collapse
In my case i always reinstalled Nova launcher after the factory reset, the thing is Nova was the problem...i switched back to the default launcher and 0 problems with the camera.

Question Camera Crash(solved)

Anyone experience Camera Crash on vídeo?
I noticed that always Crash or récord a corrupted file when you start recording on low light enviroments ,the problem scalates till the phone warm Up and power off itself ,no rebooting only poweroff
Edited.
After a while trying to récord grandpha 's Party i realized that only happens with stabilitation on while have very dark enviroments,(such as night,caves or dark rooms) after deactivate the stabillitation i can récord normally.
I supose trepidation on low light forces Up the gimball crashing the app.
No Problems here. Looks like RAM errors or similar. Try to reset the phone or exchange.
I reboot the phone 5 times maybe a bug still no answer but there si no new problems

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