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Difficulty: MediumMobile Device Hardware and Display Issues

A field technician is registering a batch of newly issued enterprise smartphones with a cellular carrier for device tracking and inventory management. The carrier requires the unique 15-digit physical hardware serial number hardcoded into each mobile device's cellular modem to track the physical device hardware on their network. Which of the following identifiers should the technician retrieve and document from the devices?

  1. International Mobile Equipment Identity (IMEI)Answer
  2. B
    International Mobile Subscriber Identity (IMSI)
  3. C
    USB-C DisplayPort Alternate Mode Hardware ID
  4. D
    Lithium-ion Battery Calibration Serial Number

Answer

The International Mobile Equipment Identity (IMEI)
The International Mobile Equipment Identity (IMEI) is a unique 15-digit code built into cellular mobile hardware that identifies the physical device to cellular networks.

Step-by-Step Solution

1
Analyze the carrier requirement in the scenario.
The requirement calls for a 15-digit hardware identifier tied specifically to the physical mobile device transceiver.
Tracking physical equipment hardware on cellular networks requires a unique global hardware identifier.
2
Differentiate between device hardware identifiers and subscriber identification.
The International Mobile Equipment Identity (IMEI) uniquely identifies the physical mobile handset handset hardware, whereas the International Mobile Subscriber Identity (IMSI) identifies the subscriber account on the SIM card.
Swapping a SIM card changes the IMSI associated with the subscriber account, but the physical device's IMEI remains fixed to the hardware.

Key Concept

Distinguishing between mobile device hardware identifiers (IMEI) and subscriber identity module identifiers (IMSI) during mobile provisioning.
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Topics

Mobile Device Hardware and Display Issues

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