Hikvision NVR DS-7604NI-E1/4P firmware help

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Ds-7604ni-e1/4p

 

How do I determine what firmware to use on my Ebay NVR, what region, or can any region english fw be used? It is supposed to be a USA nvr.

 

I upped the firmware to USA V3.3.6 Build 151229.

 

I have two DS-2CD2032F-IW wifi or POE cameras. I was having noobie problems and seller told me to upgrade the firmware so I did.

 

My cameras will work with 12v and wifi, with 48v power injector with cat cable to pc.

 

The NVR does not see the cameras so they can't be added, when powered by NVR POE SADP finds them but can't be accessed with browser.

 

I Reset to factory default, when I login first time no upper/ lower case letter option to create password, once logged in no shutdown or reboot option and no cameras.

 

When powered by NVR POE the cameras red leds light up but no picture.

 

All these problems happened after the firmware upgrade.

What do I do?