Question: What is the primary content stored in the EFAAS (Additional number Alpha String) file on a Universal Subscriber Identity Module (USIM) application?
Option 1: Predefined emergency contact numbers
Option 2: User-defined text for additional numbers referenced in EFANR
Option 3: International Mobile Equipment Identity (IMEI) of the device
Option 4: Default language settings for the USIM menu
Explanation: The EFAAS file holds user-defined text (alpha strings) corresponding to additional numbers referenced in EFANR, allowing users to personalize these numbers' names for easier identification within the USIM application.