![]() ![]() This means that devices using GSM technology would remain compatible with MetroPCS’s service. In 2015, MetroPCS shut down its CDMA network. As we look into the future, we shall have even 5G networks, which is bound to be faster than 4G network. Nowadays, phone manufacturers such as Samsung, Apple, and even Google are making devices that are compatible with all the three phone technologies. Initially, the GSM versus CDMA debate was actually all about 2G and 3G technology. However, as we speak, there is a widespread of 4G LTE network. This is because the phone itself is already linked to the network. One of the most significant differences between these two systems is that GSM phones usually use SIM cards to link to a particle phone with its network, while CDMA phones do not need a SIM card to operate. CDMA, on the other hand, stands for Code Division Multiple Access. ![]() GSM basically refers to the Global System for Mobiles.
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