Also you may want to look at following topics:
https://ipcamtalk.com/threads/hikvision-firmware-tools-change-language-extract-files-and-create-own-firmware.2664/
https://ipcamtalk.com/threads/hikvision-g1-5-5-firmware-exploring-the-cam-attempting-unlock.40814/
Regards.
Update:
In another thread on forum I found an interesting link with firmware files that are newer than on EU server. Please be aware that this is not official website.
http://hikkorea.ipdisk.co.kr:100/publist/HDD1/Welcome%20to%20HikvisionKorea/%ED%8E%8C%EC%9B%A8%EC%96%B4/IPC/
I will try to...
Ok just did upgrade:
Annke C500
Model: I51DE
Firmware Version: V5.5.110 build 200120
Firmware Version Property: B-R-E7-0
First I made upgrade to 112 and than to 114 - everything works fine.
Is there procedure to backup current Annke firmware?
Greetings I have Annke G500 bullet older version [without mic and card slot on camera]
Model: I51DE
Firmware Version: V5.5.110 build 200120
Firmware Version Property: B-R-E7-0
I think that our system on selection of Hikvision firmware needs to be updated.
So in my case it would be E7 folder...