I own this phone from about 1 year and everything was fine when I purchased this phone but after some time after I updated to android lollipop some things were not good I previously have Gta sananreas and other heavy games working perfectly but after udating when I open some of the games crashes every time like sanandreas crash every time I open it and after some more time I dont know what happened but the mic doesnt work properly whenever I call someone the other person cant hear me properly and I have to face a lot of problems due to this and whenever I put the call on speaker the mic work perfectly and then after turning speaker on when I turn back speaker off the mic does work perfectly for some time but after some time same problem rises again if anyone has faced the same issue plzz let me know in the comments and also share fix of this problem if u know.