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Can you force android to use 2.4ghz WiFi? (lemmy.world)

submitted 6 days ago by [email protected] to c/[email protected]

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I've got some smart home devices that need to be setup by another device on the same WiFi network, but it has to be 2.4ghz network. My modern android phone insists on connecting to the 5ghz network and so can't complete the setup.

Currently, I use an old android tablet that only connects to 2.4ghz to get round this, but it's clunky. Previously I've changed the WiFi network to produce seperate ssids for the two bands, but I'd rather not have to switch these settings around everytime I need to modify something.

What I want is a system setting in android or an app that forces my phone to turn off its wireless N capabilities and only use the 2.4ghz band. My searching and reading stackoverflow posts suggest this just isn't possible, but surely that's not true?! It seems like a simple enough option to have!

Tldr : how to force my phone to connect on 2.4hgz WiFi rather than 5ghz

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[–] [email protected] 1 points 6 days ago

Yeah, they're cheap Tuya devices, and I regret buying them for many reasons. Good to hear that shelley has more flexibility, once I have saved some money I want to replace the tuyas.

These comments have confirmed what is found from googlin, it's not possible. I'm just kinda surprised? Is there a technical reason? And it's not just these switches, I've had the same problem with trying to setup a chromecast in rented accommodation where I can't change the WiFi router settings.

It just seems like a simple option to include. I can choose whether my sim connects to 3g or rg or 5g, but not for WiFi. And from my the posts I've found im not alone. Can rooted phones do it?