A communication device for handling an evolved packet system, EPS, bearer context, comprising: at least one storage device ; and at least one processing circuit , coupled to the at least one storage device , wherein the at least one storage device stores, and the at least one processing circuit is configured to execute, instructions of: transmitting a first protocol data unit, PDU, Session identity, ID, to a long-term evolution, LTE, network; receiving a first EPS bearer ID identifying a first EPS bearer, from the LTE network, wherein the first EPS bearer ID is associated with the first PDU Session ID; configuring a first data radio bearer, DRB, associated to the first EPS bearer ID, with the LTE network; communicating data via the first DRB with the LTE network; connecting to a new radio, NR, network and disconnecting from the LTE network; keeping the first EPS bearer ID and the first PDU Session ID, when connecting to the NR network and disconnecting from the LTE network; configuring a second DRB associated to the first PDU Session ID, with the NR network; connecting to the LTE network and disconnecting from the NR network; keeping the first EPS bearer ID and the first PDU Session ID, when connecting to the LTE network and disconnecting from the NR network; and configuring a third DRB associated to the first EPS bearer ID, when connecting to the LTE network and disconnecting from the NR network. at least one storage device ; and at least one processing circuit , coupled to the at least one storage device , wherein the at least one storage device stores, and the at least one processing circuit is configured to execute, instructions of: transmitting a first protocol data unit, PDU, Session identity, ID, to a long-term evolution, LTE, network; receiving a first EPS bearer ID identifying a first EPS bearer, from the LTE network, wherein the first EPS bearer ID is associated with the first PDU Session ID; configuring a first data radio bearer, DRB, associated to the first EPS bearer ID, with the LTE network; communicating data via the first DRB with the LTE network; connecting to a new radio, NR, network and disconnecting from the LTE network; keeping the first EPS bearer ID and the first PDU Session ID, when connecting to the NR network and disconnecting from the LTE network; configuring a second DRB associated to the first PDU Session ID, with the NR network; connecting to the LTE network and disconnecting from the NR network; keeping the first EPS bearer ID and the first PDU Session ID, when connecting to the LTE network and disconnecting from the NR network; and configuring a third DRB associated to the first EPS bearer ID, when connecting to the LTE network and disconnecting from the NR network. transmitting a first protocol data unit, PDU, Session identity, ID, to a long-term evolution, LTE, network; receiving a first EPS bearer ID identifying a first EPS bearer, from the LTE network, wherein the first EPS bearer ID is associated with the first PDU Session ID; configuring a first data radio bearer, DRB, associated to the first EPS bearer ID, with the LTE network; communicating data via the first DRB with the LTE network; connecting to a new radio, NR, network and disconnecting from the LTE network; keeping the first EPS bearer ID and the first PDU Session ID, when connecting to the NR network and disconnecting from the LTE network; configuring a second DRB associated to the first PDU Session ID, with the NR network; connecting to the LTE network and disconnecting from the NR network; keeping the first EPS bearer ID and the first PDU Session ID, when connecting to the LTE network and disconnecting from the NR network; and configuring a third DRB associated to the first EPS bearer ID, when connecting to the LTE network and disconnecting from the NR network. <EOS>