This article was written by Stan Kats and by How.com.vn staff writer, Nicole Levine, MFA. Stan Kats is a Professional Technologist and the COO and Chief Technologist for The STG IT Consulting Group in West Hollywood, California. Stan provides comprehensive technology solutions to businesses through managed IT services, and for individuals through his consumer service business, Stan's Tech Garage. Stan holds a BA in International Relations from The University of Southern California. He began his career working in the Fortune 500 IT world. Stan founded his companies to offer an enterprise-level of expertise for small businesses and individuals.
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Protecting your SIM card with a PIN can prevent unauthorized use of your cellular plan, but if you enter your SIM PIN incorrectly three times, you'll need an 8-digit PUK (Personal Unlocking Key) to unlock it. This How.com.vn article will teach you how to get your PUK code from your mobile provider and unlock your SIM card.
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If you enter your SIM PIN incorrectly 3 times, you'll only be able to unlock your SIM with an 8-digit Personal Unlocking Key (PUK). Fortunately, your provider will give you your PUK if you can prove your identity. If you can't get your PUK or enter it incorrectly too many times, you will need to replace the SIM card.
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