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Original topic:

S21 plus wont permit viewing of Reolink NVR over wifi

(Topic created: 02-06-2021 09:32 AM)
user7J8FK4aTtI
Asteroid
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Galaxy S21

Hi All,

My new handset was delivered but I cant get the Android Reolink Client to permit viewing of my cameras.

It works perfectly fine over cellular data but switch on the WiFi back on the handset and it fails to establish a connection.

All other handsets in the house work as they always did (Android and iphone),  NVR works fine on the tv its connected to and a W10 pc that is on the same lan.

Workaround is to disable wifi whenever I want to view the cams but there must be something I'm missing.

NVR (RLN8-410-E) is on latest firmware and all apps are latest versions.  Router services all the other devices so it has to be the s21+?

Thanks for any help you can give me.

Cheers

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Solution
St3v3C
Sun
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Galaxy S21
Does the NVR have a security setting to block Mac addresses? that seems to be the only setting you haven't mentioned.

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user7J8FK4aTtI
Asteroid
Options
Galaxy S21

Ooh that moved things along a bit actually! HUGE thanks my friend.

The NVR doesn't have anything set to whitelist or exclude MAC's.

But, when WiFi is enabled there's a Wifi MAC Address in About Phone>Status Information.  Which is different to the Phone WiFi MAC Address? Who knew?!

Matched my old handset against the new and in the new one it showed Manage Network>then my router.  Clicked that, went into Advanced and changed the MAC address type from Randomised MAC to Phone MAC (same as my old device).

Now, I don't get a 'Connection failed' EM, I get a camera data feed jump to ~30kbps, holds for a few seconds and then it drops out. And it reconnects and tries the same.

Change the Mac type back and it's goosed.

Turn the NVR off completely and it doesn't connect at all so there's clearly some comms between from phone and NVR but something is interrupting the connection.

If you, or anyone else, has any ideas then please let me know.

Been a great help to me so far.

Thanks again

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St3v3C
Sun
Options
Galaxy S21
I still think there's a setting that's blocking the phones mac...somewhere in the network
user7J8FK4aTtI
Asteroid
Options
Galaxy S21

Really appreciate the help St3v3c - I've been into the BT hub too and there's nothing in there I can mess around with much.  Everything looks to be configured ok to a novice like me.

I did find this when I was digging around: Freezing-Issue-When-Previewing-WiFi-Camera-in-LAN 

The bit that caught my attention were these statements:  If you use the Android phone, please check whether the Hardware Decoding option has been enabled or not.  If you use the Samsung phone and your camera is the 4K type, the issue is caused by the compatibility issues between the camera and your phone system.

Turned that setting off and on the very lowest streaming I can muster about 2s of video before it cuts and reconnects/times out about 5 times before repeating the same behaviour.

I'm going to raise a support query with Reolink now and see what they say. Will report back when I hear something.

Again, hugely appreciate your input to assisting me and further my knowledge of these things.

Cheers

user7J8FK4aTtI
Asteroid
Options
Galaxy S21

Just wanted to close this one out...

Reolink were polite but stated there was nothing they could do as other handsets in the house could connect fine. Any known Samsung/cam issues weren't relevant to my models.

But this morning the whole cctv system works on my s21+ over wifi. 

Literally nothing else was changed by me, no app updates on handset, no NVR firmware updates and nothing (known to me) on the router.  Nothing has been changed in config and router uptime remains the same.

So, thanks for helping me out - I learned some new stuff from you @St3v3C

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