1. Compatible device modes DVR5xxx DVR5xxx 4 Channel 2. Get firmware and upgrade your device Please download the firmware from the following links and upgrade. ----------------------------------------------[Firmware Links]--------------------------------------- Download Address: General_DVR5x04_Eng_N_KIRK_V2.616.0001.12.R.20140123.rar 3. Provide device info to DAHUA Please provide the model/SN information back to us so we can register into our cloud server for you manually. Please get SN in the system information; it may be different with the one on your device base. Photo will be better, for example like the following. Note: When the cloud function has being officially released, firmware is upgraded and SN is registered during our production before it sold. Work of pre-testing is no...