Z2 front camera is not working - Xperia Z2 Q&A, Help & Troubleshooting

Hello guys
I have a problem with my Sony xperia z2
The front camrera is not working while the original one is working fine i try to use programs but the same
I try to clear data of camera app but its the same
Its not a hardware problem cause sometimes it working a
And sometimes its not
Please help me

Factory Reset maybe ?
wipe cache and dalvik cache maybe ?
if you have Z5 or updated camera app try reverting back to stock camera app
Respond with more info plz

Factory reset will delete all programs and how to wipe clear cashe

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I've a SGS3 i9300 and use Miui 2.11.23 (Jelly Bean). I've got a strange problem.
After calling someone..the Phone.apk (com.android.phone) doesn't seem to release the accelerometer and hence causes the battery to drain more than usual. The same follows for several apps such as Camscanner, Google translate, Getril, Any.do, Camera zoom fx etc. The problem persists till I restart the phone.
I have accelerometer disabled by default. I've tried reinstalling the ROM with wipe data, wipe cache and wipe dalvic cache but can't seem to put away the problem.
Is anyone else having this problem?
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Screenshot not working

Hello everybody. Well, I use the PAC-Rom 4.3 since the first build and never gave me problems, and suddenly this error when I try to take printscreen. Does anyone know how to solve?
Things I've tried: Wipe data / Factory reset, Wipe Dalvick, Wipe cache partition, already reinstalled the entire ROM and still continues.
Note: PowerAMP has not met my songs, I scanned it and solved the problem. Mounting USB is OK, other applications working screenshot.
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Sorry my bad english ( Google translate )

Camera failed on Samsung S4 mini

The phone was running stock Android 4.2.2 . One day clicking the built in camera app (v2.0) caused an error " Unfortunately the camera has stopped working". After googling the error this is what I tried , and did not work:
Restart.
Clear cache and data of the Camera app, Gallery and every other built in app with the camera icon.
Deleted all apps that used the camera (flashlight , scanner etc)
Went into recovery and wiped the cache partition.
Factory rest from within the phone.
Delete user data from recovery
Upgrade to Kitkat 4.4.2 - now the error has changed to "Camera failed".
Could this be a hardware problem?
Could this be a persist partition error? How can it be fixed on this phone?
Edit: Took the phone to Samaung lab (had one more month of warranty!) . They apparently re-flashed the OS and the problem is solved.

LED Flash Error

Lately my device LED flash Xiaomi note 2 does not turn on when the camera or flashlight is used. anyone have suggestions or how to fix it? I've try to installing some applications for camera or flashlight but it still not working Thank you
What do you mean by not turning on? -> is there a delay in the flashlight? or it's not working at all?
possible solutions:
1) get a cleaning APK from the play store and try to clean your cache (I suggest PowerClean; and check if it works)
2) reboot into recovery and clean cache + dalvik cache -> then reboot (and check if it works)
solutions with risks of losing data (backup your important files) :
3) Try a factory reset?
4) try flashing another ROM?
and if this isn't working I would say your flashlight rests in peace :S

The weather widget of My V30+ (Dual SIM) crashes .

It started after the Oreo update. I need to restart the phone to make it work again.
I cleared the cache of the app data, but it has not solved the problem.
Any suggestion except hard reset?
paulmor said:
It started after the Oreo update. I need to restart the phone to make it work again.
I cleared the cache of the app data, but it has not solved the problem.
Any suggestion except hard reset?
Click to expand...
Click to collapse
This might be a dumb suggestion but have you tried uninstalling and reinstalling?
The original Weather app. is embedded into the LG system and can't be removed.

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