When I'm called or make call on my Gionee f6 I can't hear the caller and they can't hear me either, everything else about the phone seems fine. I don't want to have to return the phone because of this...

I just flashed a stock ROM to my Gionee f6 but now I need to write the MEID back but I can't find the wright tool. Please help me out

Hi I just flashed a stock ROM to my gionee f6 and now the imei seems to be missing, I've tried a lot of ways to repair it all to no avail, I seriously freaking out. Please help me out

I keep getting this error when i try using SM Write tool to write IMEI smartphone SN::Connect with preloader(). Get dynamic preloader comport timeout please could someone help me with a solution