Product_description: ['Warning for I-Series NVR users: Before upgrading to v4.1.10 or v4.22.000 firmware. Be sure the NVR is on at least firmware 3.4.92 or 3.4.93. Failure to have the NVR on either of these firmware versions before upgrading to v4.1.10 or v4.22.000 could render the NVR in-operable.']

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