InSight S355 1.0 Firmware Update Issue

InSight S355 1.0 Firmware Update Issue

InSight S355 1.0 Firmware Update Issue
InSight S355 1.0 Firmware Update Issue
2026-09-04 05:44:57
Model: InSight S355  
Hardware Version: V1
Firmware Version: 3.2.1 Build 260305 Rel.6736n

I have two InSight S355 (Hardware Version 1.0) cameras. One of them received the firmware update (version 3.3.1 Build 260708 Rel.6291n), but on the other camera, whenever I try to check for a firmware update, it immediately shows a timeout error as soon as I click the Check for Update button. Check the attached screenshot

 

 

 

Also, I don't see the latest firmware version 3.3.1 on the support page, so I'm not able to update it locally either

 

 

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Re:InSight S355 1.0 Firmware Update Issue
2026-09-07 07:47:36

  @di-vin 

 

Check the network connection of this camera. Did you notice any signs of instability on this device?

 

Try to change a new ethernet cable for this camera, or exchange the locations of these two devices, see if that makes any difference.

 

If the error is still there, reach out to your local TP-Link support for further assistance. Contact Technical Support

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Re:InSight S355 1.0 Firmware Update Issue
2026-09-07 08:51:38

  @Wayne-TP I've already tried all of these, but I keep getting the same error. And there is zero interruption in the camera feed or recording. I even swapped the cameras, but the issue remains the same. Maybe if you can update the firmware on the support page, I can try updating it locally.

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Re:InSight S355 1.0 Firmware Update Issue
2026-09-08 01:47:32

di-vin wrote

  @Wayne-TP I've already tried all of these, but I keep getting the same error. And there is zero interruption in the camera feed or recording. I even swapped the cameras, but the issue remains the same. Maybe if you can update the firmware on the support page, I can try updating it locally.

  @di-vin I'll check with the relevant team about the website. But for your case, it's better to reach out to the support team.

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