To my knowledge, downloadable firmware is not available on any SVP camera.
Here is a link where you can download drivers and a manual for your camera:
You can contact SVP directly and see what they can do to fix your camera.
Hi! What the firmware used in SVP-8630?
Where i can download firmware?
My camera don't work and on a warrantly to return it is impossible.
Transfer and the customs duties. It is easier to buy new.