Hi, I have a Bv6000, my rear camera does not work and the front one is 180° rotated, I've tried to upgrade firmware but says my device is currently up to grade, the sellers told me I can try to change the ROM, the version is 20160608 but I don't know what Rom I have to install to repair the camera a...

Where I can find the firmware version?

One week ago I bought a bv6000 by aliexpress, since then my camera is absolutely crazy, the firsts days did not open, there was a message like: it is not possible to connect with the camera. I restarted the phone and cean the cache and then, the camera starts to work but all the photos were blurried...