Abstract: The present invention provides a protection setting method and a protection releasing method for a portable device. The protection setting method comprises: selecting a lock function having a first unlocking condition, displaying a protection condition list including a plurality of protection conditions, selecting a protecting condition from the plurality of protecting conditions, and further setting the selected protection condition as a second unlocking condition for the lock function. When the portable device is locked, the protection releasing method comprises: displaying a password input window for entering a first unlocking input, detecting a second unlocking input, verifying whether the second unlocking input matches with the second unlocking condition, and verifying whether the first unlocking input matches with the first unlocking condition.

Abstract: The present invention provides a protection setting method and a protection releasing method for a portable device. The protection setting method comprises: selecting a lock function having a first unlocking condition, displaying a protection condition list including a plurality of protection conditions, selecting a protecting condition from the plurality of protecting conditions, and further setting the selected protection condition as a second unlocking condition for the lock function. When the portable device is locked, the protection releasing method comprises: displaying a password input window for entering a first unlocking input, detecting a second unlocking input, verifying whether the second unlocking input matches with the second unlocking condition, and verifying whether the first unlocking input matches with the first unlocking condition.

Abstract: The present invention provides a portable device operating method including: displaying a three-dimensional function menu on a display screen of a portable device, wherein a plurality of items of the three-dimensional function menu are positioned on different directions in a three-dimensional coordinate; detecting a shaking direction of the portable device; and selecting one of the plurality of the items of the three-dimensional function menu according to the shaking direction.

Abstract: A method for barring short messages and a mobile device which utilizes the same are provided. The mobile device is configured to receive a plurality of short messages from a message center, and includes a storage unit for storing short messages. The method of the present invention includes the following steps: providing an option of barring short messages in a Man/Machine Interface of the mobile device; enabling the option of barring short messages; and transmitting a first signal to the message center when the amount of storage data in the storage unit is lower than a predetermined value, so that the message center stores a plurality of first short messages which are intended to be transmitted to the mobile device.