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I had shared directions for this here. At least it worked for me... https://ipcamtalk.com/threads/urgent-updating-dh_ipc-hx2x3x-rhea_multilang_pn_stream2_v2-800-0000015-0-r-200430-zip.48157/page-3#post-708610

I'm using DH_IPC-HX2X3X-Rhea_MultiLang_PN_Stream2_V2.800.0000026.0.R.220822 with no issues.

Yes, it is repeated ad naseum and I think everyone gets that. Meanwhile, we're attempting to figure out how the feature relates to versions and can be configured.

Not sure how your comment contributes to the question at all... I just found that using webui for my NVR, you can turn on/off the audio alert. It is under Alarm/Video Detection/PIR and there is a "Camera Audio" check box. So even though the camera webui does not show it, my NVR does.

I have the same problem, if you go to a newer firmware than 2.800.0000015.0.R,2020-04-30 the option to enable/disable the alarm sound is gone. It is really annoying. I have found a clunky work-around for it. When at this version (2.800.0000015.0.R,2020-04-30), setup everything on the camera as...

Success. I did everything exactly the same as last time, but tried the tftp server @val-ipcam used and it worked for me. Thanks!

What is TFTPServerSP V1.6x ? I'm not finding it with a google search...

No, never got it to work.

I'm using the same exact version.

Yah, same here.

The camera IP setting does not matter. At lower level when the firmware boots, it has a default IP it checks for tftp with before the firmware continue fully booting up the camera.

Let me know if you get it to work. I could not get any response from my camera with working Lorex FW.

You can get usb-serial adapters pretty cheap now-a-days.

Another update, another release notes with nothing real mentioned about the changes: http://files.dahua.support/Firmware/Rejestratory/NVR/NVR5xxx-4KS2/?ND New Features Feature Description None None. Fixed Bugs None. Instructions for New Features This version enhances material compatibility...

I wish they had more useful release notes for this latest version... https://support.dahuafrance.fr/firmwares/DH_NVR5XXX-4KS2_MultiLang_V4.002.0000000.3.R.220322.bin.pdf Fixed Bugs: None Instructions for New Features: This version fixes some bugs, It does not update the functions. For...

Thanks for the file. The CRC does not look to match for versions DH_IPC-HX2X3X-Rhea_MultiLang_NP_Stream2_V2.800.0000016.0.R.200605 nor DH_IPC-HX2X3X-Rhea_MultiLang_NP_Stream2_V2.800.0000018.0.R.210707 Which is it for? How did you get LAN install to work on these? I cannot get one of these...

Anyone have a working link to Dahua_TFTPBackup.zip ?

Would you be able to share the upgrade_info file you used? Thanks!

Thanks! Did you follow any specific tftp directions on ipcamtalk? Since you're showing disassembly, I'm assuming you used TFTP over serial? Did you use a POE switch or NVR to get it to power up or use an alternate 12v power source?

https://software.dahuasecurity.com/en/download I though I would check it out, but after install my antivirus (bitdefender) removed a good chunk of the installed files.

This is the first report I've seen of a successful tftp upgrade of the Lorex version of this camera. How did you perform this upgrade? Standard TFTP update? I had one camera that came with my Lorex setup that was mistakenly running Dahua out of the box, but could not get the others that were...

I don't believe anyone has found a way to use the Dahua firmware on these Lorex cams.

It's a rebadged Dahua IPC-HFW1831C-PIR so find the pinout for that.

This Dahua firmware appears to work fine on my Lorex NVR. Just upgraded this morning https://ipcamtalk.com/threads/nvr5xxx-4ks2_eng_v4-001-0000000-3-r-200519-zip.48840/

Anyone know anything about this one?

I found it here: http://files.dahua.support/Firmware/Rejestratory/NVR/NVR5xxx-4KS2/DH_NVR5XXX-4KS2_MultiLang_V4.001.0000000.0.R.200221_Release%20Notes.pdf Anyone try it yet?

My NVR reports the same version as for WA3PNT is availbale. Found New Version:4.000.0000001.5.R.191206 New Features: 1. Brand new GUI4.0. 2. Better compatibility with SMD, and Primeter Protection camera. 3. No plugins required in Chrome, Edge, and Firefox 4. Color scheme, flat interfaces and...

My DVR received an upgrade notice for a different version: Found New Version:4.000.0000001.2.R.191101 New Features: 1. Brand new GUI4.0. 2. Better compatibility with SMD, and Primeter Protection camera. 3. No plugins required in Chrome, Edge, and Firefox 4. Color scheme, flat interfaces and...

Is this the latest FW for this camera? http://dahuawiki.com/images/Firmware/DH_IPC-HX2X3X-Rhea_MultiLang_NP_Stream2_V2.800.0000010.0.R.190807.zip

FYI, there is newer Lorex firmware for the LNR616x out now. I have not tried it yet (still using dahua NVR5XXX FW) https://dahuawiki.com/images/LX/Firmware/LNR616X_20190625_00009.bin No idea on the changes. All it says is "P2P remote access connection enhancement"