User interface for payments

A method, comprising:

• at an electronic device with a short-range communication radio and a physical input mechanism that includes an integrated biometric sensor:
• while the electronic device is locked and in a first short-range communication radio mode:
• detecting activation of the physical input mechanism;
• detecting a fingerprint using the integrated biometric sensor;
• determining whether the fingerprint is consistent with an enrolled fingerprint;
• and
• determining whether a set of one or more criteria is met, wherein the set of one or more criteria includes a criterion that is met when the physical input mechanism is reactivated within a predetermined period of time after the activation of the physical input mechanism;
• in accordance with a determination that the fingerprint is consistent with the enrolled fingerprint and a determination that the set of one or more criteria is met, transitioning to a second short-range communication radio mode different from the first short-range communication radio mode;
• and
• in accordance with a determination that the fingerprint is consistent with the enrolled fingerprint and a determination that the criterion is not met, forgoing transitioning to the second short-range communication radio mode and unlocking the electronic device.

A non-transitory computer-readable storage medium comprising one or more programs for execution by one or more processors of an electronic device with a short-range communication radio and a physical input mechanism that includes an integrated biometric sensor, the one or more programs including instructions for:

• while the electronic device is locked and in a first short-range communication radio mode:
• detecting activation of the physical input mechanism;
• detecting a fingerprint using the integrated biometric sensor;
• determining whether the fingerprint is consistent with an enrolled fingerprint;
• and
• determining whether a set of one or more criteria is met, wherein the set of one or more criteria includes a criterion that is met when the physical input mechanism is reactivated within a predetermined period of time after the activation of the physical input mechanism;
• in accordance with a determination that the fingerprint is consistent with the enrolled fingerprint and a determination that the set of one or more criteria is met, transitioning to a second short-range communication radio mode different from the first short-range communication radio mode;
• and
• in accordance with a determination that the fingerprint is consistent with the enrolled fingerprint and a determination that the criterion is not met, forgoing transitioning to the second short-range communication radio mode and unlocking the electronic device.