Section: 4.2.1.2 Other Cases
Content: The state PLMN SEARCH is also entered in the following cases: - in state NO IMSI, a SIM/USIM is inserted; - in any state except NO IMSI, NO CELL AVAILABLE, NORMAL SERVICE and RECEIVING GROUP CALL (NORMAL SERVICE) after the user has asked for a PLMN selection; - in any state except NO IMSI and NO CELL AVAILABLE, coverage is lost; - roaming is denied; - optionally, when the mobile station is in the ATTEMPTING TO UPDATE state and is in Automatic Network Selection mode and location update attempt counter is greater than or equal to 4. The service state when the PLMN SEARCH is left depends on the outcome of the search and on the presence of the SIM/USIM as specified in subclause 4.2.1.1.