If you want a stable connection try it on my way, if your using òrdinary portern uninstall it then install THE PRO POSTERN ver 3.0.0 up, then use this apn:
Apn: at&t
Apn type: default,supl,wap,lte
Then download nalang nang prx dito co paoloaztig
https://phcorner.org/t/parang-kulog-at-kidlat-sa-sobrang-tulin-bagong-prx-config-na-maangas.315393/
Sana maka help....
Naka lagay ko kasi dun sa Thread ni MASTER HOKAGE NO NEED LOAD DAW PO PARA SA MGA GLOBE GAMIT KO RIN PO YUNG POSTERN NA GAWA nya