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Nano-SIM

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(4FF SIM)

4FF stands for 4th Form Factor.

A SIM card that is simply physically smaller than a traditional (2FF) SIM card or Micro-SIM (3FF) card.

See: SIM

The electric contacts and circuitry of a Nano-SIM are identical to that of a larger SIM card; the plastic part is simply smaller. A nano-SIM can be used in a larger SIM card slot with an adapter.

See: Micro-SIM

Last updated Mar 12, 2014 by Rich Brome

Editor in Chief Rich became fascinated with cell phones in 1999, creating mobile web sites for phones with tiny black-and-white displays and obsessing over new phone models. Realizing a need for better info about phones, he started Phone Scoop in 2001, and has been helming the site ever since. Rich has spent two decades researching and covering every detail of the phone industry, traveling the world to tour factories, interview CEOs, and get every last spec and photo Phone Scoop readers have come to expect. As an industry veteran, Rich is a respected voice on phone technology of the past, present, and future.

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