A method and an apparatus for wireless communications are provided. The method is performed by a UE and includes: reading system information of a plurality of cells on a first carrier frequency to obtain identification information of a plurality of PLMNs; reporting, by an AS entity of the UE, the identification information of the plurality of PLMNs to a NAS entity of the UE; selecting, by the NAS of the UE, one of the plurality of PLMNs as a selected PLMN; searching for the plurality of cells on the first carrier frequency during a cell selection procedure; and selecting a suitable cell belonging to the selected PLMN from the plurality of cells on the first carrier frequency based on the cell selection procedure.