Closed Smartbro Internet Connection

Guys,pls help naman...its about my internet connection using smartbro pocket wifi..im using smartbro lte sim and sa pocketwifi its shows na connected sa network pero sa cellphone ng-e-error siya..ang lumalabas eh "sign in to wifi network" tpos pg kino-connect ko siya sa wifi ngko-connect naman pero one minute lang tpos ngdi-disconnect..then sinubukan ko sa prepaid smart sim eh ok naman walang ganung error na lumalabas..

thank u...