Try this:
In the App list Click Settings
Tap Cellular
Delete any existing APN Settings..
Tap "Add Internet APN"
Tap APN and type in internet.itelcel.com
Tap Username and type in webgprs
Tap Password and type in webgprs2002
Tap Save
Tap "Add MMS APN"
Tap APN an type in mms.itelcel.com
Tap Username and type in mmsgprs
Tap Password and type in mmsgprs2003
Tap WAP gateway (URL) and type in 148.233.151.240
Tap WAP gateway port and type in 8080
Tap MMSC (URL) and type in http://mms.itelcel.com/servlets/mms
Tap MMSC Port and type in
Tap Max MMS Size and type in
Tap IP Type and select: IPv4v6
Tap Save
