Samsung T-Series Phone

Internet Settings:
Enter *#87927#.
Enter the following information:
→ Name: good2go web
→ APN: att.mvno
→ Auth Type: Leave blank
→ Username: Leave blank
→ Password: Leave blank
→ Protocol: HTTP
→ Home URL: http://ztdevice.home
→ Proxy: proxy.mvno.att.ztarmobile.com
→ Port: 80
→ Linger time:Leave blank
Select Save.
MMS Settings:
Enter *#87927#.
Select MMS.
Enter the following information:
→ Name: good2go web
→ APN: att.mvno
→ Auth Type: Leave blank
→ Username: Leave blank
→ Password: Leave blank
→ Protocol: HTTP
→ Home URL: http://ztdevice.home
→ Proxy: proxy.mvno.att.ztarmobile.com
→ Port: 80
→ Linger time: Leave blank
Select Save