Kingroot 4.5 form here works perfectly on fire os 4.6.3 (and it's in English now). If you think knigroot permission manager is annoying, you can replace it with SuperSu following the instructions here.
Just out of curiosity, Does anyone know what exploit kingroot uses to gain root on fire phone? I know they use several exploits from here and there, but I'm not sure which one.
Just out of curiosity, Does anyone know what exploit kingroot uses to gain root on fire phone? I know they use several exploits from here and there, but I'm not sure which one.