Sm-G901F No LTE

Hello Everyone i just bought an s5 plus last night and i found that there is no Lte mode in network mork i have just (WCDMA/GSM) and (WCDMA) can someone help me please in my country we have the 4G and why it's still show me 3g/H+ .
Model number : SM-G901F
Android Version: 4.4.4
Baseband : G901FXXU1ANI1