Official EZVIZ website only keeps recent versions, but older firmware files can be found via:
🔍 Search string example:
"C3W firmware 5.2.4 build 180914"(replace with your model)
Make sure the filename matches your camera’s exact model and hardware revision (often printed on the camera’s sticker).
EZVIZ actively discourages downgrading. If you’re within warranty and have a critical issue caused by an update, contact EZVIZ support first – they may offer a fix or replacement. Otherwise, use the free methods above at your own risk.
Downgrading firmware on cameras is often sought by users trying to regain features like RTSP support or compatibility with older
NVRs. While EZVIZ officially states that firmware downgrades are not supported for security reasons, it is possible to do so for free using specific software tools. Essential Tools To perform a manual downgrade, you will need the following: EZVIZ Studio (Windows PC):
This desktop application allows for more "Advanced" configuration than the mobile app. Firmware File (.dav):
You must source the older firmware version specific to your camera model (e.g.,
). These are often shared in community forums or can sometimes be found via direct download links from EZVIZ's servers if you know the exact model path. Step-by-Step Downgrade Process Downgrading an EZViz CS-CV216-A0-31EFR IP Camera -
Users typically seek downgrades for the following reasons:
Official EZVIZ website only keeps recent versions, but older firmware files can be found via:
🔍 Search string example:
"C3W firmware 5.2.4 build 180914"(replace with your model)
Make sure the filename matches your camera’s exact model and hardware revision (often printed on the camera’s sticker). ezviz downgrade firmware free
EZVIZ actively discourages downgrading. If you’re within warranty and have a critical issue caused by an update, contact EZVIZ support first – they may offer a fix or replacement. Otherwise, use the free methods above at your own risk.
Downgrading firmware on cameras is often sought by users trying to regain features like RTSP support or compatibility with older Official EZVIZ website only keeps recent versions, but
NVRs. While EZVIZ officially states that firmware downgrades are not supported for security reasons, it is possible to do so for free using specific software tools. Essential Tools To perform a manual downgrade, you will need the following: EZVIZ Studio (Windows PC):
This desktop application allows for more "Advanced" configuration than the mobile app. Firmware File (.dav): 🔍 Search string example: "C3W firmware 5
You must source the older firmware version specific to your camera model (e.g.,
). These are often shared in community forums or can sometimes be found via direct download links from EZVIZ's servers if you know the exact model path. Step-by-Step Downgrade Process Downgrading an EZViz CS-CV216-A0-31EFR IP Camera -
Users typically seek downgrades for the following reasons: