How to hack 5.1.2 firmware on China region cameras to English

There is no command in the camera to edit startup.sh
For the NVR, I used the 'Hiktools' program to 'split' the digicap firmware file, a Linux machine to modify the contents and re-pack the image file, and the 'Hiktools' program again to re-create a new Hikvision firmware.
http://www.ipcamtalk.com/showthread...anguage-extract-files-and-create-own-firmware

Yes, the release notes for 5.3.0 say that it would be no longer be possible to install older firmware versions.
 
I have here a DS-2DC2202-DE3 / W camera and can not access after the software update, reset does not help me unfortunately with the login problem. Is there anyone I can send the camera and he looks at it and repairs it? I would pay for it.
 
I have here a DS-2DC2202-DE3 / W camera and can not access after the software update, reset does not help me unfortunately with the login problem. Is there anyone I can send the camera and he looks at it and repairs it? I would pay for it.

Unfortunately, in the IVMS software a DLL error occurs, according to SDAP Toll, the HTTP port closes after 10 seconds and I can not access. A reset with the TFTP tool does not help with me. It has been switched on and off several times. With an identical camera I have no DLL errors in the software