HikVision Firmware for EasyIP 3.0 Cameras - new V5.5.4 (G1 Series cameras)

This new firmware version (V5.5.4) is currently only available at HikVision's UK website:
Hikvision UK & Ireland

Select the Download link at the left.
Dated 11th Feb 2018.

Update - 14th March 2018:
Can now be downloaded from their European Portal:
DOWNLOAD...

HikVision Firmware for EasyIP 3.0 Cameras - new V5.5.4 (G1 Series cameras)