Flashlight doesn't work - Xiaomi Mi 4

Hi guys.
I don't know why, but my flashlight doesn't work anymore... with no single app.
I changed the backcover - but how could that cause this problem?
Did anyone have similar problems?
thanks for your help.

Same here. Just purchased it.

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Sorry for my poor English.
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[Q] Proximity & Light Sensor Not Working In 5.0 Factory Update

Hey Everyone,
I have installed factory image of 5.0 on my Nexus & since then I am facing the issue. My screen doesn't go off during calls & light sensor is also not working; Auto Brightness is also not working. I tried pulling back to 4.4 through which I made sure my hardware is working fine. It wasn't working in 5.0 Lollipop.
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Have attached the screenshot from CPU-Z.
Nyk
NykBradley said:
Hey Everyone,
I have installed factory image of 5.0 on my Nexus & since then I am facing the issue. My screen doesn't go off during calls & light sensor is also not working; Auto Brightness is also not working. I tried pulling back to 4.4 through which I made sure my hardware is working fine. It wasn't working in 5.0 Lollipop.
Has anybody else faced the same issue & does anyone know how to fix it?
Have attached the screenshot from CPU-Z.
Nyk
Click to expand...
Click to collapse
A few other people are also experiencing the same problem. You can follow another thread here .
There are multiple threads for this already. Please posthttp://forum.xda-developers.com/showthread.php?t=2941045 in them.
Also there is a bughttps://code.google.com/p/android/i...s Owner Summary Stars&groupby=&sort=&id=80149 report in Google. Please provide your input and vote for the bug for resolution.
Sent from my Nexus 5 using XDA Free mobile app
I have the same problem...
Any fix?

[Q] Uhans u200 - camera doesnt work correctly

Hi guys. I have nice phone, Uhans u200 but i have problem. 4 days ago my camera stop working. Front camera is upside down, and i cant switch to rear camera, and cant use flashlight. I search something in options, but im not found nothing interested. What can i do? Do you think, if i will reinstall software it will be good? If yes, someone know where can i find rom to uHans? Maybe custom rom will be better stock? Please, help me
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You can try to go back to factory settings. Search options
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hit thank you if I helped you
Exactly the same problem on mine... Any suggest?

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