Apple’s latest iPhone Air has taken a bold step forward in mobile technology – it’s an eSIM-only device. That means there’s no slot for a physical SIM card, anywhere in the world, including India. For ...

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead.

These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another.