Speaking to The Verge, the GSMA's chief engineer Ian Pannell says that the new specification is all about giving users more control. However, this is still a big step forward for the eSIM, with the new specification backed by some of world's largest hardware manufacturers (including Samsung, LG, Microsoft, and Huawei) and mobile carriers (including AT&T, Verizon, Vodafone, Deutsche Telekom, Telefónica, and EE). And while the June eSIM will allow users to store the profiles of multiple carriers on a single phone, this new specification only supports one carrier at a time. Nor does the standard apply to smartphones, with the GSMA saying that won't be coming until June. This isn't the first mobile device to offer a programmable SIM card (certain iPads have this functionality using Apple's own tech, for example). Now, the GSMA has announced a new eSIM specification for smartwatches, fitness trackers, and tablets, with Samsung's Gear S2 Classic 3G the first device on the market to come equipped with the new technology. Last year, we heard that Samsung, Apple, and various mobile carriers were working to create a new standard for embedded or eSIMs (programmable SIMs that allow you to switch carriers without swapping the physical card in your device). The day the physical SIM card disappears is slowly getting closer.

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