What is a 4G SIM Card?
- August 02, 2017
- Brian Nash
- 24 Comments
- Technology, Cellular, Internet, Media
A SIM Card is a small "smartcard" that is inserted into a 4G Device. The 4G SIM Card contains the subscriber profile, which includes detailed information that the device needs in order to work on the Wireless network. The 4G subscriber profile includes: International Mobile Subscriber Identity (IMSI), which is used for billing details The 4G Service Feature Set, which contains details about the subscribed services and features Security authentication and ciphering information Access to passwords to lock and unlock the SIM, including the Personal Identification Number (PIN) and the Personal Unblocking Key (PUK) codes