The Farrell Law Firm, P.C.
Apparatus and method for reselecting a public land mobile network in a mobile communication terminal
Provided are an apparatus and a method for reselecting a Public Land Mobile Network (PLMN) in a mobile communication terminal. The method includes requesting the updating of location registration to a target PLMN after storing current system information, determining whether a Subscriber Identify Module (SIM) card is valid when it fails to update the location registration, and resetting the SIM card to a previous state and then, reading the stored current system information to request the updating of location registration in the current PLMN when the SIM card is invalid.
Samsung Electronics Co., Ltd
H H
H04W H04W
inventional additional
Dong-Won Yong-Suk Yu-Shin
Ryu Moon Kim