

With the cable that came with your iPhone, connect your iPhone to your computer.

Check that your computer has an Internet connection.Make sure that you have the latest version of macOS or the latest version of iTunes.If you still can't activate your iPhone, try again using your computer instead. If you get an error message on your iPhone that says the activation server is temporarily unavailable or cannot be reached when trying to activate, wait a few minutes, then repeat the previous steps.If you're using a cellular-data connection, connect to a reliable Wi-Fi network instead.
