After switching on the phone, if the PIN security function is active, the user is required to enter a 4-8 digit PIN to unlock the SIM card and connect to the mobile network. Without this, functions …

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Remote SIM provisioning is a specification realized by GSMA that allows consumers to remotely activate the subscriber identity module (SIM) embedded in a portable device such as a smart …

A SIM card or SIM (subscriber identity module) is a type of integrated circuit, often in the form of a smart card.

Applications of eUICC are found in mobile network devices (cell phones, tablets, portable computers, security controllers, medical devices, etc.) that use GSM cellular network eSIM …

An IP Multimedia Services Identity Module (ISIM) is an application residing on the UICC, an IC card specified in TS 31.101. This module can be used in UMTS 3G and IMS -based VoLTE …

If a mobile phone does not support SIM Application Toolkit, users may not be able to use the service or network correctly. Issues with several mobile network operators have been noticed …

With the UMTS release 5 a new application, the IP multimedia Services Identity Module (ISIM) is required for services in the IMS. The telephone book is a separate application and not part of …