Thats my FP3 connected with my FP4 set to 2.4Ghz
This is really strange, after switching to WPA2 and back to WPA3 it is not on 5 GHz anymore but as configured on 2.4GHz. I checked it before with Wifi Analyzer app and the fritz repeater and both showed it on 5GHz while now it seems to be correct. Makes me feel kind of stupid 
I have the same problem.
I confirm my FP4 refuses to provide a hotspot (the toggle returns to “off”) if the 5 GHz preference option is selected.
The hotspot functions correctly if 2.4 GHz is selected. And the network is really 2.4 GHz, I’ve seen download values of 72 or 52 Mbps.
Yes, both have their advantages and disadvantages. Longer range in the 2.4 band is handy for a baby monitor, but it makes for more congestion in crowded urban scenarios. The shorter range of 5 GHz leads to less interference with neighbouring networks.
I just tried again and for me it seems that the band setting in the Hotspot config is not used at all:
After a short while the AP disappears again (even if the option to automatically switch it off, is disabled). Even if devices are connected the AP gets disconnected and does not appear in the list of available networks anymore. On the FP4 it is still marked as running, though.
Here is my settings on the FP4:
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I think I managed to find out what’s going on. If you are connected to a 5GHz network and at that moment you try to start a 2.4GHz hotspot, it ignores your settings and starts a 5GHz hotspot instead. And after a while it completely stops responding (the hotspot is running according to the phone, but it’s not visible to any device at all). As @tomarc pointed out, putting the phone in airplane mode or simply disconnecting from a 5GHz Wi-Fi (or connecting to a 2.4GHz Wi-Fi) enables you to start an actual 2.4GHz hotspot. (This as a result will also prevent you to connect to a 5GHz network while the hotspot is running.)
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When is this supposed to be getting fixed? I mean, the current behavior is somewhat irritating (if you want to put it very very positive) or - very directly speaking - unacceptable that configs are not being considered and the phone does whatever the system “thinks” it should do (the “Apple Way”).
Hard to tell. 
I haven’t yet received any response from support regarding the Android 12 issues.
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OMG, you’ve got it! Now everything starts to make sense. Are you reporting these findings to FP support?
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Yeah, definitely. I hope they’ll fix this soon.
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Yeah definitely ends upp only being 2.4Ghz whatever you do. As I stated earlier I did a hard reset just to get this to work and now I can only choose a 2.4GZ setting, Confirmed on my connected laptop
Another question: If I choose WPA2/WPA3 my old tablet cannot connect. This only works with WPA2.
I thought the transition ode should make it possible to use WPA3 for devices supporting it and use a fallback to WPA2 if needed. Any idea why that is not working this way?
I have it set to WPA2/WPA3 as well and as you can see in the Screenshot above they FP3 showed “WPA/WPA2” . The FP3 is not WPA3 certified and could not connect to it,so it seems rollback works at least sometimes or the issue is your tablet in this case?
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It seems that my tablet does not role back when connectiong to the FP4 hotspot. It should be able to do so, as I can use my Fritz.Repeater and/or -Box. I will try after a reboot of the tablet and cleaning stuff. Maybe that helps…
EDIT: Cleaning Cache and rebooting the tablet help. It takes quite some time, but finally it will use WPA2 with the transition mode being active on the FP4 hotspot.
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Older wifi chips might have various kinds of problems connecting to WPA2/3 transition APs. E.g. my notebook does not even see a wifi advertised with the transition mode…
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Personally I experienced that the 2.4GHz band worked just fine but my Fairphone 4 wouldn’t let me use 5GHz Band when using the Wifi-Hotspot function.
It wasn’t working in Android 11 and now with the new Android 12 it’s still not working for me. Maybe its a bug that hasn’t been discovered yet but thats my personal experience with Internet tethring / giving wifi hotspot
This has been discovered. That’s why I’ve moved your post here and you can read above.
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I saw that this issue was added to the wiki below.
It got an 
, I personally would give it a 
since you can still use the phone as a hotspot, right? At least I can. I haven’t checked if 5GHz works fine or not. But since 2.4GHz works, it would make more sense to label it with a But that may be just me. Just my 2 cents and I’ll leave it up to the community to change or leave it as it is.
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I have the same problem. With 5ghz option i cant start the wlan hotspot. i dont need it, but its a trueless bug.
The problem is that it actually doesn’t work in cases when you are connected to a 5GHz network. It starts a 5GHz hotspot instead and then silently crashes. I bet most ordinary users won’t figure out what’s wrong.
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