Patent ID: 8046610

Claim:
A mobile portable device comprising a network communication module, a power-on circuit, a switching power supply, a system power supply and external battery and a calculation unit, wherein the system power supply and external battery constantly supply power to the network communication module by using an external AC power supply or the power of the battery, when the mobile portable device is in a power-off/sleep state, and when the power-on circuit detects that the network communication module has received information from a network, it activates the switching power supply to supply power to the mobile portable device and thus put the mobile portable device into an operating state, wherein said network communication module comprises a wireless network module or a wired network adapter, and wherein the wireless network module is connected to the power-on circuit via a first IO port, when detecting the insertion of a subscriber identity identification card, the power-on circuit activates the switching power supply and supplies power to the wireless network module by using the external AC power supply of the system power supply and external battery or power of the battery.