Communication devices and methods thereof. The communication device comprises a communication module, a memory module, and a control module. The communication module receives a data object exceeding a predetermined data size from a device management server. The memory module, coupled to the communication module, comprises a management object tree having a management object leaf node, storing a first portion of the received data object in the management object leaf node, and holds the first portion in the management object leaf node when termination of the reception of the data object is being determined. The control module, coupled to the communication module and the memory module, determines termination of the reception of the data object prior to the data object being completely received, wherein the first portion comprises at least one unit data, and each unit data has a data size less than or equal to the predetermined data size.