4g coming instead of lte
hi guys i am an apple user & im using iPhone 6 from Pakistan & recently i noticed that on updating recent firmware my carrier moved on to 19.0 and my cell is showing 4G instead of LTE so i called my cellular company which is WARID TEL to help me out but they said they couldnt help me i'd have tell Apple to bring back the carrier to 18.0 .... So what do i do how can i bring LTE back on instead of 4G help needed ????