In our last article, we spoke about things you needed to know about, including the freedom of being off contract, and the wide selection of phones available. We also gave you some insight into phone variants and manufacturer warranties.

This a guide and tutorial on how you can Unlock your Samsung Phone to any GSM network. How to: Unlock your Samsung phone to work on any. Unlock Phones. Learn about how unlocked cell phones work. It's important to pay attention to network compatibility when choosing an unlocked phone. There are two network.

Now, we’re going to discuss phone frequencies and bands, and walk you through some steps to help assure that your new unlocked phone works with your carrier. A guide to cell network protocols and generations Cell phone network technology is always improving and getting faster. China Cell Phones Unlocked. To help customers differentiate between data speeds, many networks and phone manufacturers tend to group things together by generation. You are probably used to seeing the 2G, 3G, and 4G monikers used.

Unlock Iphone 7 Sim Free. What you may not know is that each generation contains many different small upgrades, and in the case of GSM and CDMA networks, completely different technologies. Below is a chart outlining the family tree. You may be wondering why there is no 4G CDMA Based Cell Protocol, even though CDMA carriers offer 4G LTE service.