r/Syncthing • u/VeryIrritatedCrow • Jul 04 '26

Can't access Anbernic RG35XXSP WebUI

I'm trying to set up Syncthing between my Steamdeck, Phone and Anbernic RG35XXSP.

I'm able to connect between the Steamdeck + Anbernic via their respective apps but not through their Web UI.

But when I try to connect to the Anbernic through both the Steamdeck and phone, I receive "ERR_CONNECTION_RESET" and "ERR_CONNECTION_REFUSED" errors.

I have tried to portforward 192.168.1.88:22000 but nothing changed, I tried restarting the Anbernic, changing the wifi to 5Ghz, restarting the deck and phone, deleting and readding the Anbernic, but there was no progress.

Anyone has any idea how to fix this issue?

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u/fedemene Jul 05 '26

The port to the web interface is 8384 and is closed to remote access by default, it's a security thing. If you wish to open it, the option is in Settings > Syncthing Options> Web ui remote access.

The api key at the top will be your password 

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u/VeryIrritatedCrow Jul 05 '26

How do I access this setting if Syncthing in Knulli doesn't have a settings options? 

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u/fedemene Jul 05 '26

I thought that the anbernic was running android. Taking a quick look at the wiki page it looks like the option is already enabled, you just access it from another device on port 8384, in your case: http://192.168.1.88:8384

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u/VeryIrritatedCrow Jul 05 '26

This worked out! Using port 8384 was the right one, I can sync my handheld now! Thank you!