A core network stateless mobility management node (110, 111, 115) for handling a mobility procedure for a wireless device within a wireless communications network, the stateless mobility management node comprising a processor and a memory, said memory comprising instructions executable by said processor whereby said stateless mobility management node is operative to: receive (S1, 10), from the wireless device, a request for the mobility procedure, the request comprising an identification identifying a legacy stateful mobility management node currently serving the wireless device; access (S2, 12), based on the identification identifying the legacy stateful mobility management node, a common external database shared by the stateless mobility management node (110, 111, 115) and at least one other stateless mobility management node, and comprising stored context information for a plurality of wireless devices served by the stateless mobility management nodes; determine (S3, 16) that context information is not stored in the external database with respect to the identification identifying the legacy stateful mobility management node; retrieve (S5, S6, 24), based on the identification identifying the legacy stateful mobility management node, current context information for the wireless device from the legacy stateful mobility management node (110, 111, 115) currently serving the wireless device, which stateful management node comprises an internal database for wireless device context information and which current context information comprises an identification of the wireless device; access (S9, 26), based on the identification of the wireless device, the external database for stored context information for the wireless device; and perform (S4, S11, S12, 28) the requested mobility procedure by updating (S11, 32) the current context information such that any additional attributes or parameters of the stored context information are taken into account and then using the updated current context information. receive (S1, 10), from the wireless device, a request for the mobility procedure, the request comprising an identification identifying a legacy stateful mobility management node currently serving the wireless device; access (S2, 12), based on the identification identifying the legacy stateful mobility management node, a common external database shared by the stateless mobility management node (110, 111, 115) and at least one other stateless mobility management node, and comprising stored context information for a plurality of wireless devices served by the stateless mobility management nodes; determine (S3, 16) that context information is not stored in the external database with respect to the identification identifying the legacy stateful mobility management node; retrieve (S5, S6, 24), based on the identification identifying the legacy stateful mobility management node, current context information for the wireless device from the legacy stateful mobility management node (110, 111, 115) currently serving the wireless device, which stateful management node comprises an internal database for wireless device context information and which current context information comprises an identification of the wireless device; access (S9, 26), based on the identification of the wireless device, the external database for stored context information for the wireless device; and perform (S4, S11, S12, 28) the requested mobility procedure by updating (S11, 32) the current context information such that any additional attributes or parameters of the stored context information are taken into account and then using the updated current context information.