Yeah I turned Safari on when tested data but then turned it off since I only want to use my data for Google Map, and not any other apps. I also turned off Wifi Assist too. I turned my phone off and on and it seems like the Google Map is working with ...
I checked and noticed that I can load my website. Will try to turn off/ on my phone to see if it helps. Also, even though I just tried out the data, my phone said I only just used 1.7MB, but my public mobile account said I already used 5.2MB. Wonder...