firmware upgrade

Hi. Recently upgraded one of my IPC-HDW3849H-AS-PV 's to the latest firmware and straight away it started acting funny. going online/offline logging in/out and coming up with failed to find network host. aswell as covering half of the screen with this colourful rainbow static. also its been...

I have a 2-wire setup (ip-gateway) with 1x VTO (modular) at front door and 3x VTH for each floor. The default factory image was v3.12x (non-SIP) and has been upgraded to v4.3 SIP. The upgrade from 1 of 3 VTH devices failed but could be recovered using TFTP method. Upgrade Steps: - upgraded...

Hello guys, In total I have 4 cameras installed around my house: - 1x DS-2CD2525FWD-IS - 3x DS-2CD2655FWD-IZS All 4 of them came with different firmware installed, so I tried to upgrade them to the latest firmware which is V5.6.2_Build190701. I succeed with 1 (out of 1) DS-2CD2525FWD-IS and 2...

So I have the Nelly's OEM version of the 4k Hikvision Turrets. My NVR is providing the PoE to the cameras, so they are on their own virtual subnet.. Is there really any reason to upgrade the firmware? I'm all about being proactive, but I'm wondering if this is a case of if it ain't broke...