redmi note 3 special edition

Hi, I've a sound issue on my new redmi note 3 SE. The sound on the loud speaker (the one use for phone call on the top of the phone) is low and it's very difficult to hear correctly phone call in a noisy environment. Does any body can tell me what is happening? And how to solve it? Thx

I made my "Kate" bootloader unlock yesterday and thought maybe someone would profit from having a small tutorial. Thanks to the folks mentioned in the PDF file I have xiaomi.eu stable ROM on my Kate now. The RAR includes all files you need that are up to date right now (Nov. '16). Have a look at...