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GSM (Global System for Mobile Communications) is a 2G mobile phone technology. In common usage, "GSM" encompasses its data counterpart, GPRS, and their successor 3G standards, EDGE (also known as IMT or EGPRS) and UMTS.

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How to activate mobile phone in Chile?

I have been told that recently Chile decided to block the IMEI of all phones not officially sold in the Chilean market. As a foreigner who bought a prepaid SIM card, it's quite frustrating! My phone …
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