Default [Q] Problem on lte on sm-n900s

I have a korean lte-a version of note 3, i live in the philippines my problem is when i use mobile data i always get G and 3g signal, mostly 3g i can never get H or 4g or lte working, evn though im on a lte hotspot and my phone is capable of lte, can someone pls help me set it up thankyou!