MMSC: This is the Multimedia Messaging Service Center used to receive and send MMS (text) messages. MCC/ MNC: Uses the Mobile Network and Mobile County Codes to identify the carrier. Below are the APN setting fields used by all carriers:ĪPN: This setting must be a valid value, as it determines the access point mobile customers must use to transmit and receive data from their carrier.ĪPN Enable/ Disable: If they’re multiple APN configurations, this setting displays which configuration is currently enabled or disabled.ĪPN Protocol/ APN Roaming Protocol: For devices that support IPv6 networks, this setting allows users to choose between IPv4 and IPv6 networks or both.ĪPN Type: This is the most important field, which specifies the type of connection APN settings can be used for.Īuthentication Type: The method used to create usernames and passwords for data connection and server access.īearer: Setting for carriers and devices that switch between LTE and CDMA (EVDO) networks. This will make the above information much more useful. To understand the APN settings of your carrier, you must know the meaning of each setting field. Below is a list of the unique APN settings for each carrier in the United States. APN Settings for All Network CarriersĪll phone service providers or carriers have unique APN settings. Incorrect APNs or APN types will lead to certain issues, such as an inability to access mobile data. For example, "MMS” is the setting for sending MMS messages, “default” is the setting for Internet data (without MMS) and “*” is the setting for all connection types. Additionally, APN types determine which type of connection can be established. To establish a connection, APNs must match the value set by the carrier. This is because each provider has a unique APN and APN type.ĪPNs and types are the most important fields in an APN configuration. Settings are unique from one provider or carrier to another, meaning that each carrier has their own configurations that are exclusive to customers in their network. Essentially, APN settings are text fields that contain vital information that allow you to use MMS services and data from government regulated radio frequencies. They ensure that your cell phone properly communicates with the servers of your mobile phone service provider. APN (Access Point Names) settings are the configurations needed for connection to a cellular data network.
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