Hikvision Unbind error English

Today’s Knowledge Topic: How to Unbind a DVR/NVR from Hik Connect when the error message «Message Failed» appears Open Google and type «Download Hikvision SADP tool.» From the search results, choose SADP-HI Tools—Hikvision. On Hikvision Web page, select «download.» Select the device that needs to be unbind. Then select the Unbind button, which is on the top. You will popup window. You have to type the device user name and password and the verification code which is available in the popup window If you receive a failed message, the reason will be a firmware mismatch or that the device is not online. Firmware Version 3. Will not be unbound from the HikConnect server for security reasons. The device's current firmware version is 3. We need to update the firmware. Firmware version 4.XX.XX is mandatory to unbind the device from Hik Connect Device Model Number: Device Serial Number: Device Current Firmware Version: Download the firmware from the email you received from support. You must unzip the file if it is a zip file. Use the digicap.dav file to update. Log in to the device and go to Configuration and Maintenance in Upgrade. You will get the firmware update option. Browse the firmware file and update the firmware. Now the firmware has been updated to V4.XX.XX After reboot. Select the device that needs to be unbound. Then select the Unbind button, which is on the top. There will be a pop-up window. You have to type the device's user name and password and the verification...