Long standing issue! It’s tied to event error 3001. I submitted ticket 2558402 which support stupidly closed without resolution. Tickets should never be closed in an incomplete state. And when I replied, it didn’t even reopen the ticket, it tells me to submit a new ticket, what garbage.
OK I took my chance and upgraded my Wyze Cam V2s to 1851 and so far everything is working fine. The old “corrupt” event videos still won’t load. Here’s hoping there won’t be new event videos that won’t load.
Update: So far more than a dozen event videos load fine. In fact they seem to load faster than before. 
I was hoping for the same once we applied the most recent updates. No such luck… more events that won’t load today.
And restarting the camera is definitely NOT a long-term fix. We have 8 cams in two different cities and have been having this same issue for months - ONLY on our V2 Pan cams.
We can restart and then the events load fine…for what seems to be a random period of time before we’re back to the spinning wheel. AND restarting only fixes new events. It does nothing to fix those, which would not previously load.
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Similar issues here. I have 4 V3 cams. I also notice an Error (code 300): unknown. Please try again later, message on most my videos.
Since the 1851 firmware update I’ve only found 1 new event video that won’t load for me. It is an improvement, but still not completely resolved. The camera in question is in the same room as the router so signal is definitely not an issue.
Not sure why this affects some of us more than others…
I’m having same issue with all my v3 cameras. Almost all the event recording never play. I have gone through all the trouble steps from support but no luck. Almost getting ready to ditch the wyze ecosystem as they just can’t seem to create a stable product.
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By the way, I have this issue creeping up again on my Wyze cam V2s after the 1851 update, and after I happened to reset my router, the issue improved.
Not sure what happened there but worth a try.
I had this problem in 2021 then it was “fixed” somehow. It was okay until 1851 and CamPlus LIte V2 camera. Power cycled the camera and it seems to be working again. Events were correctly saved to the SD card. V3’s not showing this problem.
I have had this problem since 2022, this happens with all my cameras, v2 and v3, I started an email thread with Wyze support (Wyze Ticket 2700229), but it seems they had never seen this problem before 
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That may be related to the sd card. If you go into the advanced settings and set it to continuous recording and check on the sd card usage, does it increase after a minute or two or continue to stay the same? If it stays the same then its the sd card at fault.
I didn’t read all of the above (or really any for that matter) but haven’t seen the forever loading circle once. However, the sd card can cause weird odd things to happen.
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This happens to cameras with SD cards and some without SD cards. I don’t think the SD cards has something to do, since the videos attached to notifications are uploaded to Wyze servers. I can see some notifications from some cameras that are offline. That’s the purpose of the subscription, isn’t it?
However, in the cameras with SD card, I have continuos recording enabled. But I didn’t understand what needs to increase after I enable continuos recording. But I doubt all my SD cards are at fault.
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I reported this same problem in a new thread.
Playback is perfect from SD cards and are set to continuous record.
Problem is from cloud playback that stalls almost immediately.
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Same problem. Events no longer play. Get alerts but can not retrieve video. Is it possible to revert to old release?
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Curious. Is everyone seeing this issue on Cam Plus Lite? Or Cam Plus cameras are seeing this issue too?
I’ve only see this happen to my Wyze Cam V2s, which are on Cam Plus Lite.
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I cannot playback any events. Issue open for long time and not sure why Wyze is not able to fix it.
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Have Cam Plus Lite and 12 second clips won’t play. Amazing this is still ongoing.
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I’m having this same issue across 2 different cameras (v2 and v2 pan) as well.
What exactly is the problem with Wyze? This issue (that I have also been experiencing off and on for 3 months now) is actually YEARS old? How has this not been resolved yet? Just tell us to throw out our V2 and upgrade if no one on your team gives a care enough to find a solution. Have to laugh at all the prompts to upgrade to the paid cloud service when all my V2 12sec cam events are unwatchable.
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Same. And why would I pay for something that doesn’t work?! Would be great to get an answer from Wyze.
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I checked dozens of videos but so far haven’t seen this on my V2 videos for the past 2 days. Not sure what changed but it’s not happening now.
I did restart my camera to get the detection zone box/grid fix. Maybe that makes a difference?
Settings > Restart Camera > Restart [button]