Does a SIM free mobile phone still have to have a SIM card?

Answer:
No.

A SIM card or Subscriber Identity Module is a portable memory chip used in some models of cellular telephones. SIM cards are used with carriers that operate on the Global System for Mobile Communication (GSM) network. The competing network is Code Division Multiple Access (CDMA)
First answer by CarlGlas. Last edit by CarlGlas. Contributor trust: 1 [recommend contributor recommended]. Question popularity: 1 [recommend question].