About Device Check

Resources

A Guide to GSMA Device Check

February 9, 2017

Device Check

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The recycling of mobile phones, tablets and other devices has become a huge business with millions of units being repurposed each year. However, with this growth has come an increased risk from stolen devices. If device recyclers accept stolen devices, …

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Device Check: Case Study for Retail Device Reselling

February 6, 2017

Device Check

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CeX is a shop which gives customers cash or store credit for used games, gadgets and computers. The store has grown be a global leader in the retail trading of mobile phones and other electronic devices. This short case study demonstrates how …

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A Guide to IMEI & Number Portability Services

February 5, 2017

Device Check

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As the body responsible for issuing IMEI numbers for mobile devices globally, the GSMA is the source of authoritative and complete IMEI data. This brochure gives an overview of the IMEI and number portability services the GSMA can offer.

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GSMA IMEI Services at Mobile World Congress 2017

February 2, 2017

Device Check

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The GSMA is the body responsible for issuing TAC (Type Allocation Code) / IMEIs (International Mobile Equipment Identifiers) for mobile devices globally in accordance with 3GPP standards.  We also manage a global database of device attributes. This data then enables …

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Device Check Brief

April 1, 2014

Device Check

Brief

Device Blacklist Brief

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Device Check: Case Study for Device Resellers

March 9, 2014

Device Check

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HYLA Mobile (formerly known as eRecyclingCorps), is one of the world’s largest providers of trade-in and re-use solutions for mobile devices, processing over 25 million used devices in the last five years.This sort case study demonstrates how GSMA Device Check is …

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