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eSIM dilemma: Don’t hang up on your old SIM yet. Here’s why a seamless experience is a distant dream.

Concept: Muhabit ul haq

Synopsis

eSIMs offer several advantages to both users and device manufacturers. But like any new technology, it comes with its share of hitches. Until they are ironed out, smartphone makers will have to continue providing slots for physical SIMs. In a chat with our tech junkie John, Dr Prime decodes the new technology and weighs its pros and cons.

Over the last two and a half decades of its existence, the subscriber identity module, or the SIM, as it is commonly called, has undergone a Darwinian evolution of sorts. From 25mm x 15mm x 0.76mm (mini-SIM) in dimensions to 2.5mm x 2.3mm x 0.2mm (eSIM), this progression has enabled remote provisioning of services and eliminated the need to physically swap SIMs, besides freeing up valuable ‘real estate’ inside the mobile devices. However, like

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