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ESN |
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ESN(Electronic Serial Number) A unique identification number built into a cellphone for security purposes. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| This scheme, known as "tumbling the ESN," involves altering the program in the telephone hardware, causing the phone to send out random ESNs. Traditionally, mobile phones have used ESNs as a way to uniquely identify each and every mobile device manufactured for use on a CDMA network. During the first six months of 1986, 21-digit validation systems that can verify ESNs and MINs were installed. |
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