Learn how to activate eSIM on your iPhone with this easy guide. Discover compatibility, setup methods, and tips for seamless ...

You don't need a SIM card and cellular service to use most features of today's iPhones and Android phones. Most apps and services run just fine as long as you have access to WiFi, and you can even set ...

A user has an iPhone 3G from a relative in France. Has the phone, but no SIM card. Can't activate it initially because he has T-Mobile, so no valid SIM at all. I can't even use an ATT SIM (in US) so ...

If you need to find out your iPhone's carrier without a SIM card installed, you can do so through the Settings app.