HI! i have a big problem with my android phone MPIE M8 with version 5.0. Every moment, due to a malware, the phone shows ads or download automatically adultC apps, also if i do an hard reset. So i want to try to install a stock rom for solve this problem.. the first problem is the root.. An operator recommend me KINGROOT version 4.8.5.. but it doens't work.. or to read this post https://www.hovatek.com/blog/how-to-remo...roid-phone.. but it's my first time in this ''world''.. so i don't know how to do.. please help me..