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The answer that most CDMA (Code Division Multiple Access) phones do not have SIM cards is correct because traditionally, CDMA technology does not rely on SIM cards to identify the device on the network. Instead, CDMA networks utilize a unique identification number assigned to the device itself, allowing it to connect without the need for a removable SIM card.

Historically, this has been a distinguishing feature of CDMA phones compared to GSM (Global System for Mobile Communications) phones, which do require SIM cards for network access. It is worth noting that while some newer CDMA devices—especially those that are designed to be compatible with both CDMA and GSM networks—may have a SIM card slot to allow for greater flexibility and international use, the majority of traditional CDMA devices operate without SIM cards.

Thus, the statement that most CDMA phones do not possess SIM cards aligns with established practices regarding the technology underlying CDMA communication systems.