Hikvision also offers a direct Updater Tool (sometimes named iVMS-4200_Lite_Updater.exe ). This small file checks your current version and downloads only the changed files, saving bandwidth.
Hikvision does not officially call any file "UPD," but third-party mirrors or older forums may have mislabeled patches. download hikvision ivms 4200 lite upd
for Hik-Connect live view and playback unless otherwise specified. Discontinuation Notice: Hikvision also offers a direct Updater Tool (sometimes