Earlier there was rumor that Samsung NX400 is coming on February 2015, but the latest rumors surfaced at sammobile says that the Samsung NX300 successor is coming very soon (possibly in 1st week of Jan), but its name is not a NX400, they skipped the NX400 name and according to trusted sources of samobile the upcoming camera name is Samsung NX500. The camera is rumored to feature the Tizen based OS (same as of NX300 camera), take a look at the rumored specification of the upcoming camera…
Samsung NX500 / NX400 Rumored Specification
– Electronic Viewfinder
– 4K video recording
– with the same sensor NX1 (still multiple reports coming about 28 / 20 MP sensor, but we are almost sure )
– with the same AF system NX1
So we do expect the camera announcement on CES 2015, we will update you soon as we get any new information…