TELCEL GSM Mexico APN Settings for Sony Xperia T

Select Settings Wireless & networks> Mobile networks Access point names

Press the Menu New APN

Enter name: TELCEL GSM
APN: ba.amx
Proxy:
Port:
Username: amx
Password:
Server:
MMSC:
MMS Proxy:
MMS Port:
MCC: (keep the default value set by phone)
MNC: (keep the default value set by phone)
Authentication type:
APN type: default

Keep default values for all blank fields shown above.