[HELP]Camera app shows "can't connect to camera" - Xiaomi Redmi 3 Questions & Answers

Hello XDA Members!
I'm here to tell my problem... I receive my redmi 3 (non-pro) one week ago, when i receive he all works great, but he comes with MIUI 7 (7.1.1.0 Shop rom) I update he with MiFlash using Last MIUI Dev rom and following the guide...
After the process end, i start my device and configurate and i see the when i open the camera, shows "can't connect to camera" in screen...
The front cam works great, all sensors works great, only main cam don't work... (this is not a hardware issue)
Now my device have a unlocked bootloader and twrp instaled...
Sugestions to fix this? I need use my cam...
List of what already tried:
*Tried custom rom (cm12 by nehz)
*Tried custom kernel (MYKernel by yantz)
*Tried clear dates of camera and gallery app
*Tried make a factory reset
*Tried third apps cam

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Some days ago I installed a Resurrection Remix Rom (I actually don't know which one, sorry. I just know that it's got Lollipop) and when i went to the camera it said: <<Can't connect to camera>>
I still had warranty, so I installed the stock rom (I checked the camera and it still didn't work) and I sent the phone to the company. IMPORTANT NOTE: In the warranty ticket it said <<SOFTWARE ERROR>>
The only camera I can use is the "selfies" one
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Thank you, I'ts a really annoying error. My S3 is giving me too many troubles, I'm starting to hate it... But I can't buy a new one :crying:
OHMYGOD I CAN'T FIND A WAY TO FIX THAT ERROR HELP PLEASE
//reposting because nobody answered :v
LOGCAT:
shri b. com/S3fzYuWo9IrOo9K?v=nc That's the logcat of the KitKat Camera
shri b. com/Csq5Quc33VXUdC3?v=nc That's the logcat of the Google Camera
(Sorry for the spaces, but I'm a new user and I can't put URLS
If you're confident that its not a software issue, then go ahead and unroot your phone and show it once (sometimes the problem maybe that the camera slot just got loose). But 'can't connect to camera' is common from cm12 onwards. Maybe its a kernel problem. The fact that stock firmware also failed is something abnormal. Even in a few Touchwiz roms, kernel changes led to cameras not working.
Anyway, If you're still on stock rom do to the dialer and enter
*#7353# quick test
*#*#4636#*#* for test and information
*#34971539# for Camera Firmware Update and
*#7412365# Camera Firmware Menu
sashankps said:
If you're confident that its not a software issue, then go ahead and unroot your phone and show it once (sometimes the problem maybe that the camera slot just got loose). But 'can't connect to camera' is common from cm12 onwards. Maybe its a kernel problem. The fact that stock firmware also failed is something abnormal. Even in a few Touchwiz roms, kernel changes led to cameras not working.
Anyway, If you're still on stock rom do to the dialer and enter
*#7353# quick test
*#*#4636#*#* for test and information
*#34971539# for Camera Firmware Update and
*#7412365# Camera Firmware Menu
Click to expand...
Click to collapse
I did *#7353# and tested the camera and it told me Can't connect to camera again, I can't choose "Phone to CAM FW Write (Main)" in *#34971539# and *#7412365# and *#*#4636#*#* didn't work
I guess It's a kernel problem
Thank you so much!

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