SOLVED! FP4 (Android 13) can't share 4G/5G connection, either by wifi or USB (Bouygues Telecom (France))

Help Fairphone 4
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** PROBLEM FIXED**

After the Android 13 install my phone was configured to use IPV4 with Bouygues. That seems to have stopped connection sharing working. I changed to IPV6 and now I can share the connection (via wifi or USB, or I suppose Bluetooth).

Parmameters / Network / SIM profiles / Bouygues Telecom / Acess point names

There was a “Bouygues” which was set top IPV4 and a “Bouygues Telecom” which was set to IPV6 and has a bunch more stuff under “APN type”.

Changing the APN to “Bouygues Telecom” fixed the sharing problem.

My network is Bouygues Telecom (France).

My FP4 is running Android 13.

I find that when I try to tether my laptop to my Fairphone 4 the connection between the phone and the laptop works, but if the phone is connected to the internet via the cellular signal (4G or 5G) I can’t access the internet from the laptop.

All DNS requests come back REFUSED, any ping or connection requests get a network unreachable or host unreachable.

If I connect the phone to the internet vi WIFI the connection works, but that is pretty useless as I could use the WIFI directly from the laptop.

Anyone seen anything like this?

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It’s great that you were able to figure it out!
Would you mind sharing your solution in case anyone else comes across this problem?

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That should be the solution

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The solution is explained in the edited start post :wink: .

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Now it is, I didn’t see that when I originally responded. :slight_smile:

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I read the solution before I saw your post :wink:
So you probably wrote, while he was editing.

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