A communication device for handling mobility management, comprising: a storage unit configured to store instructions; and a processing circuit, coupled to the storage unit, configured to execute the instructions in the following order: attaching to a network via a first area of the network without having a Packet Data Network, PDN, connection with the network; selecting a second area of the network after attaching to the network via the first area; determining whether or not the second area supports an attach without the PDN connection establishment by: receiving a broadcast signalling from the network, the broadcast signalling comprising an indication that the second area supports the attach without the PDN connection establishment; characterised by the storage unit being configured to store and the processing circuit being configured to execute further instructions of: initiating an attach procedure to the network via the second area, if the second area does not support the attach without the PDN connection establishment; and initiating a tracking area update, TAU, procedure to the network via the second area, if the second area supports the attach without the PDN connection establishment. a storage unit configured to store instructions; and a processing circuit, coupled to the storage unit, configured to execute the instructions in the following order: attaching to a network via a first area of the network without having a Packet Data Network, PDN, connection with the network; selecting a second area of the network after attaching to the network via the first area; determining whether or not the second area supports an attach without the PDN connection establishment by: receiving a broadcast signalling from the network, the broadcast signalling comprising an indication that the second area supports the attach without the PDN connection establishment; characterised by the storage unit being configured to store and the processing circuit being configured to execute further instructions of: initiating an attach procedure to the network via the second area, if the second area does not support the attach without the PDN connection establishment; and initiating a tracking area update, TAU, procedure to the network via the second area, if the second area supports the attach without the PDN connection establishment. attaching to a network via a first area of the network without having a Packet Data Network, PDN, connection with the network; selecting a second area of the network after attaching to the network via the first area; determining whether or not the second area supports an attach without the PDN connection establishment by: receiving a broadcast signalling from the network, the broadcast signalling comprising an indication that the second area supports the attach without the PDN connection establishment; characterised by the storage unit being configured to store and the processing circuit being configured to execute further instructions of: initiating an attach procedure to the network via the second area, if the second area does not support the attach without the PDN connection establishment; and initiating a tracking area update, TAU, procedure to the network via the second area, if the second area supports the attach without the PDN connection establishment. receiving a broadcast signalling from the network, the broadcast signalling comprising an indication that the second area supports the attach without the PDN connection establishment; characterised by the storage unit being configured to store and the processing circuit being configured to execute further instructions of: initiating an attach procedure to the network via the second area, if the second area does not support the attach without the PDN connection establishment; and initiating a tracking area update, TAU, procedure to the network via the second area, if the second area supports the attach without the PDN connection establishment. initiating an attach procedure to the network via the second area, if the second area does not support the attach without the PDN connection establishment; and initiating a tracking area update, TAU, procedure to the network via the second area, if the second area supports the attach without the PDN connection establishment.