Once you choose a data transfer method, the setup assistant prompts for your Apple Account sign-in. Authenticating applies your end-to-end encryption keys and activates find-my tracking networks. If you are preparing a device for a minor, this stage lets you register the device under a Family Sharing group. Here, parents can enforce Screen Time restrictions, mandate Ask to Buy approvals, and limit explicit content filters before any third-party app launches.
Next comes Face ID and Passcode setup. The TrueDepth sensor projects thousands of invisible infrared dots to map facial contours, writing mathematical hashes directly into the Secure Enclave. Immediately afterward, carrier activation begins through eSIM configuration. Most tier-one telecom operators push an over-the-air cryptographic profile instantly, transferring cellular access from the old phone's digital SIM without requiring physical SIM trays or carrier support calls.
