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Samsung’s Gear S2 has the first certified eSIM that lets you choose carriers

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The Gear S2 Classic 3G will use a new industry-approved eSIM

The day the physical SIM card disappears is slowly getting closer. 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). 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.

Now, a few caveats are needed. 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). Nor does the standard apply to smartphones, with the GSMA saying that won't be coming until June. 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. 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).

Speaking to The Verge, the GSMA's chief engineer Ian Pannell says that the new specification is all about giving users more control. "We don’t want the consumer to be disadvantaged compared to the current SIM model," he says, adding that the new specification is a simpler version of the full eSIM, to ease hardware partners into the change: "We're putting the first specification out for companies that may want to launch products that are very simple." He adds that the eSIM is also 90 percent smaller than a traditional SIM card, offering "a big saving in space."

Apple is reportedly involved in developing the eSIM too

Missing from this public lineup of partners is Apple. The company has gone its own way by creating the programmable Apple SIM, but is reportedly involved in the GSMA's development of the eSIM. Last year, the GSMA told The Financial Times that the association would continue "to work with Apple to secure their support for the initiative," before adding: "We are optimistic, a formal agreement with them is still in progress."

Nevertheless, the GSMA is pretty excited about the news. "This is the only common, interoperable and global specification that has the backing of the mobile industry and lets consumers with a mobile subscription remotely connect their devices to a mobile network," said the association's chief technology officer, Alex Sinclair, in a press release. "This new specification gives consumers the freedom to remotely connect devices, such as wearables, to a mobile network of their choice and continues to evolve the process of connecting new and innovative devices."

The Samsung Gear S2 Classic 3G will be available from March, but we'll see more fruits of the GSMA's work later this year when the eSIM specification for smartphones is announced.

Update February 18th, 08.33AM ET: Updated to include additional information and quotes from the GSMA.