FP3+: Issues with Android 13 update

You are using your FP3 to provide a Wi-Fi access point for some other device(s) (PC, Mac or whatever).

I would advise you to turn OFF Wi-Fi on the FP3, leaving only Mobile Data enabled.

In the Hotspot configuration, which security option are you using?

Lastly, the seemingly absurd “turn it off and then turn it on again” may help (with “Extend compatibility” disabled). Also, disable the option “Turn off hotspot automatically”.

As a work-around, have you considered using Bluetooth tethering instead (or maybe this isn’t an option)?

Thank you for your assistance.

I turned off Wifi, tried all security settings, including no password, and
disabled the automatic switch-off, to no avail. The only thing that helps
is either switching it on and off and on, or extending compatibility.

Since this is a new freshly installed phone, there might be some setting
that makes it work for you.

Regarding Bluetooth and USB, I’d like to use that but somehow the kernel
modules for the latter were removed recently, while the former didn’t work.
I suspect that most people use Wi-fi rather than USB or Bluetooth, so I’d
expect this to work more reliably in principle.

Regarding USB tethering, to be more precise, according to https://lkml.org/lkml/2022/11/23/1502 the RNDIS linux module used for USB tethering was deprecated and removed from the Linux Kernel, also of my distribution;
in favor of Network Control Model (NCM), that however only works for Android 14 and beyond, whereas my Fairphone still uses Android 13.

Good news is that Bluetooth tethering started working again, so I’ll stick with this for now.

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Good to hear
Experiencing the same issues so willing to try this solution

Does the factory reset keeps Android 13 or brings back Android 9 (FP3 from 2019) ?

It keeps the installed system and only deletes apps and data