I got DS-7608N-E2/8P bought from Aliexpress about a year and half ago
can I upgrade it to this firmware?
http://www.hikvisioneurope.com/portal/portal/Product Firmware/Back-ends/Recorder/NVR/DS-7600NI-E1(E2) 7700NI-E4/V3.4.91 build161220/External_NVR_V3.4.91_build161220Release Notes.pdf
can I upgrade it to this firmware?
http://www.hikvisioneurope.com/portal/portal/Product Firmware/Back-ends/Recorder/NVR/DS-7600NI-E1(E2) 7700NI-E4/V3.4.91 build161220/External_NVR_V3.4.91_build161220Release Notes.pdf