I'll start by apologizing if this has been covered elsewhere...I tried to search but I'm not sure I'm using the right words to describe the issue.
I've got:
2x - Hikvision DS-2CD2332-I (3MP, V5.2.5 build 141201, multi-language)
1x - Hikvision DS-2CD2335-I (3MP, V5.3.6 build 151221, English)...