Uplink data transmission:For FDD, if the variable H_RNTI is not set, and for TDD:if the UE is in URA_PCH or CELL_PCH state; and UE has uplink RLC data PDU or uplink RLC control PDU on RB1 or upwards to transmit: perform cell update using the cause *"uplink data transmission"*. Paging response:if the criteria for performing cell update with the cause specified above. are not met; and if the UE in..