An APN, which stands for Access Point Name, is an essential component in cellular IoT that enables devices to connect to the internet via a mobile network. It acts as a gateway between the cellular network and the public internet or private networks, defining the type of connectivity, security settings,

Data roaming refers to the use of cellular data services when you are outside of your mobile network provider’s coverage area. When you travel internationally or to a location where your provider does not have its own network, your phone will connect to another available network so you can continue

A dual SIM phone is a mobile device, typically a smartphone, that has the capacity to use two subscriber identity module (SIM) cards simultaneously. SIM cards are small cards inserted into phones that carry the user’s mobile number, calling plan, and other data that connects them to a specific cellular

IMEI stands for International Mobile Equipment Identity. It is a unique 15-digit serial number used to identify mobile devices. Nearly every mobile phone, tablet, and cellular-enabled laptop in the world has an IMEI number. This number reveals key details about the device, such as the brand, model, year of release,

An ICCID, or Integrated Circuit Card Identification number, is a unique 18-22 digit code that identifies an individual SIM card. It serves as a global identifier for the SIM, allowing mobile network operators (MNOs) to authenticate and provision services to specific devices. Understanding the ICCID Format The ICCID follows a

Electronic serial numbers (ESNs) are unique identifiers assigned to mobile devices, particularly older CDMA phones (AMPS, TDMA) in the United States. ESNs were created by the U.S. Federal Communications Commission (FCC) in the early 1980s to identify mobile devices on AMPS networks. Understanding ESNs ESNs were originally 32 bits long,

A Mobile Virtual Network Operator (MVNO) is a wireless communications service provider that does not own the network infrastructure it uses to provide services to customers. Instead, an MVNO enters into an agreement with a mobile network operator (MNO) to obtain bulk access to network services at wholesale rates, then

A mobile network operator (MNO), also known as a wireless service provider, is a telecommunications company that provides services like voice, data, and video wirelessly to end users. MNOs own and control the entire telecommunications infrastructure to deliver services to subscribers. What is an MNO? A mobile network operator (MNO)

The Local Profile Assistant (LPA) is a key component in the GSMA Consumer Remote SIM Provisioning architecture. It is responsible for managing Profiles locally on a device and enabling end user control. Overview of LPA The LPA is essentially the interface between the end user and the embedded SIM (eUICC)