| 摘要 |
A user identity module recognition rate increasing method in a mobile equipment is provided to increase a user identity module recognition rate in accordance with a communication speed change after a PPS(Protocol and Parameter Selection) procedure between the mobile equipment and a user identity module, thereby preventing recognition rate deterioration of the user identity module. A PPS procedure is carried out between a mobile equipment and a user identity module(201-205). After the PPS procedure, predetermined delay occurs between the mobile equipment and the user identity module(207,209). After the predetermined delay, the first command is transmitted to the user identity module(211).
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