A method for wireless communication performed by a user equipment (UE) is provided. The method includes: receiving a master information block (MIB) from a cell, the MIB including a cell barred information element (IE); receiving a system information block type 1 (SIB1) from the cell, the SIB1 including a first non-public network (NPN) identity (ID), a first cell reserved for operator use IE associated with the first NPN ID, and a cell reserved for other use IE; and determining to treat the cell as a candidate cell for cell selection or cell reselection procedures when the cell barred IE is “not barred”, the cell reserved for other use IE is not “true”, the first cell reserved for operator use IE is “reserved”, the first NPN ID matches a registered stand-alone NPN (SNPN) ID of the UE, and an access ID of the UE is 11 or 15.