Broken Satellite? Firmware issues

I had a power outage recently that seems to have messed with my Orbi Router. It made the attached devices page show blank, along with a range of other annoyances. I couldn't fix it, so I updated my firmware manually to the latest version. As the instructions said, I updated the Satellite first which seemed to work fine, but the router wasn't updating, and there seemed to be an infinite loop of "please wait" page refreshes.

I ended up factory resetting my router, which also proved to be a pain. Every time I tried resetting it via phone, it was having difficulty connecting to the internet, but after several attempts, I eventually got it working again, although for some reason, it was on the same firmware version as before the reset, rather than factory default. Nevertheless, I performed the manual update to 2.5.2.4 and it worked.

The problem now is, the Satellite is broken and I have no idea how to fix it. I have factory reset it and everything, and it's still on the 2.5.2.4 update, but when I try to set it up on the Orbi app, it never gets detected. That being said, parts of it still somehow get found by the Orbi router, as seen in attached devices on the web interface here:

https://i.imgur.com/hWKCpR3.png

It's weird, because the icon is showing up as a Linux PC instead of a Satellite, which has happened to me before, and means there is a problem. Again, the Orbi App does NOT detect any satellites.

On top of that, when browsing for wireless networks on my phone, I see another factory reset Orbi (ORBI01):

https://i.imgur.com/4CmsA91.png

If I connect to this on my phone, it's exactly the same as connecting to the Router Network I set up. Same WAN IP, same appearance in the Orbi app, same lack of a Satellite. I assume this is the Orbi Satellite, except it's broken and doesn't know what it's supposed to do.

When I go to the firmware update page in the web interface, the router shows up fine, with the message "No new firmware version available". For the Satellite, it gets stuck on "Waiting for connection" forever. Obviously it doesn't even show up on the Manual Update tab.

I tried following this guide: https://kb.netgear.com/000059633/How-to-upload-firmware-to-a-NETGEAR-router-using-TFTP-client

But it didn't work, no orange color ever started flashing.

Is there a way to fix this? It's proving to be extremely frustrating, and it's not the first time I've had problems with this router.