312-49 · Question #557
Smith, as a part his forensic investigation assignment, seized a mobile device. He was asked to recover the Subscriber Identity Module (SIM card) data in the mobile device. Smith found that the SIM…
The correct answer is D. He should contact the network operator for Personal Unlock Number (PUK). After three incorrect PIN attempts, a SIM card is blocked and can only be unblocked using the Personal Unlock Key (PUK), also called Personal Unblocking Code (PUC). The PUK is an 8-digit code tied to the SIM and is provided by the network operator. Without it, the SIM remains…
Question
Options
- AHe should contact the network operator for a Temporary Unlock Code (TUK)
- BUse system and hardware tools to gain access
- CHe can attempt PIN guesses after 24 hours
- DHe should contact the network operator for Personal Unlock Number (PUK)
How the community answered
(36 responses)- A3% (1)
- C6% (2)
- D92% (33)
Explanation
After three incorrect PIN attempts, a SIM card is blocked and can only be unblocked using the Personal Unlock Key (PUK), also called Personal Unblocking Code (PUC). The PUK is an 8-digit code tied to the SIM and is provided by the network operator. Without it, the SIM remains permanently locked (typically after 10 incorrect PUK attempts). There is no standard 'Temporary Unlock Code (TUK)', and waiting 24 hours does not reset a blocked SIM.
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