This is Vodafone Smart Prime 7 official firmware package. Download from the link below and use flashing instructions found at the end of the post to install the stock ROM to your smartphone.
Vodafone Smart Prime 7 – Download
How to flash Vodafone Smart Prime 7 stock firmware
Follow flashing instructions available via this link.
If you encounter errors or problems trying to flash this firmware package, post in comments section for assistance.