Maier & Maier, PLLC
Method and apparatus for switching in-vehicle service by using external SIM card
Embodiments of the present invention disclose a method and an apparatus for switching an in-vehicle service by using an external SIM card. The apparatus is a TBox provided with an external SIM card slot, and when the TBox detects that a valid external SIM card is inserted into the external SIM card slot, the TBox switches to a network to which the external SIM card belongs. By disposing the external SIM card slot, user demands for diversified in-vehicle services can be met.
HUAWEI TECHNOLOGIES CO., LTD.
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Wenwei
Zhao