@Marvin_S 

How do I share the screenshot?

  @Marvin_S 

The screenshot explains the issue

Satellite issues: 

Thanks to tp-link Support for suggesting to to use the website to manually check for firmware upgrades.

This was successful and I was able to reintroduce TP1-00 devices one at a time. Two days now with no issues.

Here are the files provided. Hope this helps others.

https://static.tp-link.com/upload/beta/2024/202408/20240827/m5_2-SP4-up-ver1-7-8-P1[20240826-rel62323].zip

You can refer to this article to upgrade. https://www.tp-link.com/en/support/faq/1599/