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I just bought DS-7616NI E2/P8 (English Version) and IP Cameras(DS-2CD2032, DS-2CD2332, DS-2CD2132F-IS), all cameras are chinese version with 5.2.5 multilanguage firmware, from Aliexpress. The firmware version of NVR is 3.3.1 with english language only. I connect all ip cameras to NVR by using...