[Fixed] VoLTE and VoWifi Not Working on Pixel Experience A13 on Mi 10T / 10T Pro ( apollo )

MIUI, or better known as MemeUi amongst those who don't like the same take the routes of installing custom roms to get the best out of their MIUI powered devices. Don't get me wrong MIUI is good but the bugs make it even worse and to take account of personal reasons it intsensifies the reasons. Whatever the reason ...