Is Verizon Unlocked GSM?

The best way to know for certain is to compare the specs. The Verizon phone must be GSM compatible and support the same LTE frequency bands that either AT&T or T-Mobile support. T-Mobile provides a tool on its website that allows you to type in the serial number of your device to double check.

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What is a WCDMA network?

WCDMA (Wideband Code Division Multiple Access) UMTS standard for 3G digital mobile networks, using CDMA technology . It is the evolution path for GSM and EDGE to UMTS and offers increased voice capacity and theoretical peak data speeds of up to 2 Mbps.

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What is WCDMA vs GSM?

WCDMA is the 3G network that uses radiofrequency to transfer data in the form of calls, messages, or the internet which is also called UMTS. GSM represents 2G networks that were developed way before WCDMA and helps to transfer data through radio technology in the system.

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