Category: Digital World

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Digital World

What Is a Locked SIM? SIM Lock vs Carrier Lock Explained

On 27 August 2026 by Understanding SIM and Carrier Locks: Legal and Regulatory Reference 1. Fundamental Definitions and Distinctions What is a locked SIM? A locked SIM refers to a Subscriber Identity Module card that has been restricted through a Personal Identification Number (PIN) or a PIN Unblocking Key (PUK). When a SIM card is locked in this manner, it Read More