this post was submitted on 17 Jun 2024
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Why doesn't the Wi-Fi hotspot work on my phone? (T-Mobile, usa) (self.asklemmy)
submitted 4 months ago by mortalic to c/[email protected]
14 comments fedilink hide all child comments
 

Title. Basically I just want to use the Wi-Fi hotspot on my phone, it connects and everything but then no Internet.

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[–] [email protected] 13 points 4 months ago (2 children)

I know they do some hotspot restrictions over there in US.

You should be able to get around it with something like TetherFi: https://github.com/pyamsoft/tetherfi (Android)

It creates a legacy Wi-Fi direct group and runs a proxy server on the phone. You can then connect via the proxy in some programs on your computer (e.g.: Firefox).

You can also run a proxy server in Termux. I use tinyproxy because it's easy to setup.

Both of these will also go over VPN if you have that connected on your phone, as it's basically the app (proxy server) using internet on behalf of your computer.

Alternatively you can also use socat for port forwarding, for example to a public VPN server. Then on the computer you could set up the VPN connection as usual, but replace the IP/Port with those used by your phone locally.

[–] mortalic 6 points 4 months ago (1 children)

Thank you for this info, I'll look into it. I was messing around with a wifi direct solution earlier but didn't get it to work.

These seems like a lot of work so I can use my steam deck online in the car.

[–] [email protected] 6 points 4 months ago (1 children)

First solution is all in one app.

Only problem may be the client side as not everything has proxy support.

It seems this should work fine with a Steam Deck: https://www.youtube.com/watch?v=QrLNlHeO0eU

[–] mortalic 3 points 4 months ago

Thank you

[–] Ptsf 2 points 4 months ago (1 children)

Careful doing just this. They actually track http request headers and look for desktop signifiers, so your best bet is to use a VPN in tandem with whatever setup you go with. (Tried doing this a few years back without the vpn, they sent me some very upset texts.)

[–] [email protected] 1 points 4 months ago

I use desktop mode all the time on my phone's browser because mobile sites are too limited. How can they just assume nobody is doing this? Sometimes I even use desktop version of Firefox in Termux because mobile browsers tend to crash large uploads with locked screen.

But I guess I shouldn't be surprised if they already do this hotspot usage limiting. Greed has no limits.

[–] Today 11 points 4 months ago (1 children)

I'm in the US on T-Mobile and have no problem with hotspot. What phone? On a regular plan, not a pre-paid?

[–] mortalic 6 points 4 months ago (1 children)

Regular plan, one of the og unlimited data plans. One plus 9t.

[–] [email protected] 7 points 4 months ago (2 children)

Mate I’m genuinely not trying to be an ass with this but does your plan specifically include mobile hotspot usage?

T-Mobile has dozens and dozens of different plans from the last decade alone, it’s quite possible your plan has zero hotspot data. Especially as you mention it’s an older grandfathered plan.

[–] [email protected] 3 points 4 months ago

I'm also pretty sure they're allowed to modify old plans, like removing support for hotspots, to try to force people onto new plans. AT&T at least has some boilerplate language that allows them to modify your plans.

[–] mortalic 1 points 4 months ago

No idea, it's nearly impossible to read what it does and doesn't do. Plus, like another commenter said they can change it. It's also become increasingly expensive....

[–] [email protected] 6 points 4 months ago* (last edited 4 months ago)

Have you tried some basic network tests from the device that is connecting to the hotspot?

Since a hotspot is turning your device into a router, simple things like ping or traceroute can start to tell you some basics of if the configuration is correct.

Also check your connected devices default gateway and make sure it matches your wifi hotspots IP as given to your connecting device.

EDIT: I just checked and there are indeed SOME plans from T-Mobile that don't include support for hotspots. Check your plan to make sure, and then try the workarounds from /u/lukmly013

[–] [email protected] 4 points 4 months ago (1 children)

Some phone carriers prevent people from doing hotspot sharing of their mobile internet.

Your carrier might be one of them doing that.

If your phone is unlocked, you could install a open operating system that doesn't restrict you. Like calyxos, lineage os, or grapheneos

[–] mortalic 2 points 4 months ago

It's not, but I think I can get the unlock code from them