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Abstract:
This article from Digital Republic explains the functionality of "Watch SIMs" for cellular smartwatches like the Apple Watch. It details how these devices use a multi-SIM system, which creates a digital replica of a user's primary phone subscription on the watch's embedded eSIM, sharing the same phone number and data plan. The process involves the provider generating this multi-SIM profile, which the user's smartphone then downloads and transfers to the watch. The text contrasts this with standalone smartwatches that require a separate plan and number, discusses eSIM compatibility issues across devices, and justifies the extra monthly fee as a charge for the network logistics of managing a second device. The article concludes by promoting Digital Republic's own offering as the cheapest option in Switzerland.
Understanding Smartwatch Connectivity: How 'Watch SIMs' Work
Shared Subscription Model: A "Watch SIM" is not a new plan. It's a multi-SIM feature that duplicates your existing phone subscription and number onto your smartwatch's built-in eSIM, allowing it to function independently of your phone.
Activation Process: After you enable the service, your provider generates a replica SIM profile. Your phone's watch app requests and downloads this profile, then transfers it wirelessly to the smartwatch, which installs it on its eSIM chip to connect to the network.
Not All Smartwatches Are the Same: This multi-SIM system differs from standalone smartwatches (e.g., Xplora watches for children) which require their own separate SIM card, data plan, and phone number.
eSIM Compatibility is Key: An eSIM contains device-specific configuration. As a result, a provider's eSIM might not work on every smartwatch. For example, the article states Digital Republic does not yet support the Google Pixel Watch.
Justification for Extra Cost: The monthly fee for a Watch SIM isn't for data, but for the "digital logistics" of managing a second SIM profile and communication channel for an additional device on the network.
Digital Republic's Offer: The company claims to have the cheapest Watch SIM in Switzerland at CHF 4 per month, with no activation fees, minimum contract period, or cancellation period.