APN Settings Samsung Galaxy S3 For T-mobile US

Data apn Settings  Internet : GPRS : WAP AND MMS FREE

Manually configure the APN " Access Point Name "

1.Tap Apps
2.Tap Settings
3.Tap More settings
4.Tap Mobile networks
5.Make sure that Use packet data box has a tick in it (tap box to change)
6.Tap Access Point Names
7.Tap the Menu soft key
8.Tap New APN
9.Tap Name and enter T-Mobile Data (or T-Mobile US)  then tap OK
10.Tap APN and enter epc.tmobile.com then tap OK
11.Leave Proxy as Not set
12.Leave Port as Not set
13.Leave Username as Not set
14.Leave Password as Not set
15.Leave Server as Not set
16.Tap MMSC and enter http://mms.msg.eng.t-mobile.com/mms/wapenc then tap OK
17.Leave MMS proxy as Not set
18.Leave MMS port as Not set
19.Tap MCC and enter 310 then tap OK
20.Tap MNC and enter 260 then tap OK
21.Leave Authentication type as Not set
22.Tap APN type and and enter mms then tap OK
23.Leave APN protocol as IPv4
24.Leave Enable/disable APN as ticked
25.Leave Bearer as Unspecified
26.Tap the Menu soft key
27.Tap Save
28.Press the Back key four times to return to the main menu.