What is an eSIM?

An eSIM (short for "embedded SIM") is a digital SIM card built directly into your device - no physical card needed.

Think of it this way:

• Traditional SIM: A small plastic card you insert into your phone
• eSIM: A tiny chip already inside your phone, activated digitally

Because it's programmable, you can load a mobile plan from Gohub instantly online - no store visit, no waiting for delivery, no swapping cards.

A technology backed by global standards

eSIM isn't a new or experimental concept. It was developed and standardized by the GSMA - the global organization that governs mobile network technology - and has been adopted by major carriers and device manufacturers worldwide. When you use an eSIM, you're using the same certified technology that powers billions of connected devices around the world.

It's not just for phones

eSIM technology works across a wide range of devices, not just smartphones. Tablets, smartwatches, and even some laptops now come with built-in eSIM support - making it easier than ever to stay connected across all your devices without carrying a collection of physical SIM cards.

The industry is moving toward eSIM

Starting with the iPhone 14 in the United States, Apple removed the physical SIM card tray entirely - making eSIM the only option for new iPhone users in that market. Many other manufacturers are following the same direction. eSIM isn't just a convenience feature anymore; it's becoming the new standard for how devices connect to mobile networks.