[Q] Question about WiFi settings. - Android Q&A, Help & Troubleshooting

Question: Is there a way to modify Android WiFi settings, even if rooting is required, such that the radio ignores all channels but one, say 165 in the 5ghz WiFi spectrum?
I know there is a way to limit the channels for a radio because this must be done for each country. I was just wondering if there is a way to augment the country specific settings by eliminating even more channels. The reason I would like to do this is to take an Android TV stick with Miracast Sink capability and limit the channels to one that is unused in my environment without relying on some sort of network negotiation. We have a wireless network that is quite dense and it seems to bog-down Miracast solutions. One like the Netgear PTV 3000 works fine at home but is really flakey at work. Also, the wireless network guys and security gurus don't like the idea of a wireless device that can't be tuned. This is just an attempt to remove one hurdle. Another hurdle would be to reduce the power setting of each radio but the channel selection is the most important.
Bryan

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[Q] Simultaneous Wifi/3G use for specific SSID?

Long story made short I am curious how possible it is to have both 3G and Wifi active simultaneously given Wifi is connected to a specific SSID? At work we have a restricted AP for Intranet only stuff that I'd like to keep my phone connected to but would also like to keep the 3G open for everything else.
Any such way to accomplish this?
While I am sitting here and not to create an extraneous thread, are there any tools/apps that can switch EvDO M.IP profiles on-the-fly without the need for external programming tools? Or at the very least can edit that programming directly on the phone?
Thanks!

[Q] Apps won't use ethernet, iplayer for one... help!

I realise this is a bit of a double post, but I can't change the title of the last one and this seems more appropriate...
I'm having problems with my Android TV box. It has ethernet built in and that works just fine, except certain programs such as iPlayer which have been designed to only work on wifi (as BBC don't want 3G use of iPlayer).
Basically it's specifically looking for wifi rather than just a broadband (non-cellular) connection so it just point blank doesn't work. The device is not rootable. Is there anything that can be done to make apps see ethernet as equivalent to wifi?
Several other apps have this problem too and explicitly state you may only use wifi for this data connection, so it's definitely the root of the issue.
Cheers
Ask the manufacturer how to "spoof" the Ethernet into Wi-Fi

[Q] Is it possible to turn off the G or N wifi band individually?

All - I have searched all over and no joy. We are upgrading our wireless network with shiny, new Cisco access points and I'd like to try testing speeds on the G and N bands individually. I tried to use a utility or two that identify the different bands and connect to those bands, but I always end up connected to the N band. Is there a way that I can disable the N radio in the Note so I can force a connection on G, and then re-enable N and disable the G radio on the Note so I can perform the same tests?
zerenia said:
All - I have searched all over and no joy. We are upgrading our wireless network with shiny, new Cisco access points and I'd like to try testing speeds on the G and N bands individually. I tried to use a utility or two that identify the different bands and connect to those bands, but I always end up connected to the N band. Is there a way that I can disable the N radio in the Note so I can force a connection on G, and then re-enable N and disable the G radio on the Note so I can perform the same tests?
Click to expand...
Click to collapse
If you were getting shiny new routers they would be wireless AC, or 5G.
The only way I know to differentiate between B,G and N is through the router. I searched for an app but haven't found one yet. On some roms you can select 5G connect only. But that's it.
WPS2 security disables the N band.
Don't quote, reply. If you quote, edit.
Thanks for the replies. The routers are shiny and new to me.....
Use the router setup in your browser to change the security. Be sure to save your change. When the router resets, N will be disabled.
Not quite that easy. Not doing this at home.
We have approximately 250 Cisco 2602 APs and I really don't want to try monkeying with the controllers just to disable bands for a test. I'd rather monkey with my Note. Thanks for the idea, though.
Yeah, if you play with those toys someone will not like that.
Try it at someone's home. Its an interesting experiment.

No VPN sorry no WiFi

Hi there,
I am building a home router on some decent pc hardware. I do this only to have a router with enough power to support decent encrypted vpn connections.
What I need to know is the following.
Is there a way to let an android device connect to WiFi -only- if the vpn is working?
This is tricky I guess. There has to be a WiFi connection otherwise the device cannot contact a vpn server.
But the point is that I don't want my users (wife and to lovely boys aging three and five) to connect to the Internet (via wifi) without any decent encryption.
I don't want to use a vpn service. I do this at home with the power router I build.
If I must pay for an app that does this than please suggest that. I love to pay for a good app that does what I want.
Any thoughts or suggestions?
Many thanks,
Sebastiaan.
You could use Tasker to kill their mobile data at home (depending on the phone, ROM, root, etc,) and then if the *only* Wi-Fi hotspots configured on the phones are the VPN-enabled ones, then you should be fine.
At my house, I use an Asus router with VPN Fusion. I set up my Surfshark once in the core, and my entire mesh has VPN. I just go to a page to tag each device, or set default to whatever VPN I want. Some of them go to another site I use in a different state, and some use Surfshark. If my mobile data was off, I'd be totally disconnected from the evils of the internet.
Also recommend using something like Blokada, and ensure you have always-on VPN set to either that, or another service. You can definitely set it so Android pulls that up on boot. That being said, in the case of rebooting the phone away from home, I'd imagine there's some period of time that the stuff on your device could hit the regular internet. That's where something like Blokada comes in handy. I use it to block as many google servers as I can, while still having some of those apps still work to some degree.
Depending how crazy you want to get with this, you could set a static DNS on the phone that only works when the VPN tunnel is established. There are many ways to skin this cat.
sebastiaankop said:
Hi there,
I am building a home router on some decent pc hardware. I do this only to have a router with enough power to support decent encrypted vpn connections.
What I need to know is the following.
Is there a way to let an android device connect to WiFi -only- if the vpn is working?
This is tricky I guess. There has to be a WiFi connection otherwise the device cannot contact a vpn server.
But the point is that I don't want my users (wife and to lovely boys aging three and five) to connect to the Internet (via wifi) without any decent encryption.
I don't want to use a vpn service. I do this at home with the power router I build.
If I must pay for an app that does this than please suggest that. I love to pay for a good app that does what I want.
Any thoughts or suggestions?
Many thanks,
Sebastiaan.
Click to expand...
Click to collapse
Why don't you just change the dns in the router
The Ultimate Guide to Changing Your DNS Server
There are many reasons you might want to use a third-party DNS server, from parental controls and security features to speed and reliability improvements. You can change the DNS server for your entire home network on your router, or set it individually on a PC, Mac, iPhone, iPad, Android device...
www.howtogeek.com

Telephony Question

I'm setting up my newly purchased S9+ and I'm wondering about the "APN protocol" settings which, by default, is set to IPv4. I found some discussion on that in other threads and I tested both settings: IPv4 - only and IPv4/IPv6. Not knowing much about it I might be biased(placebo effect) but I thing I'm getting just a little bit stronger signals(wifi & cell) around a different places at home as shown by 'Network Cell Info Lite' app when I set it to ipv4/ipv6. Looking for a good explanation to a question: is there any merit in that, setting it for ipv4/6?
I am wondering the exact same thing ...
I noticed on Tmobile Community ...some recommend IVp4/IVp6 ....some say IVp6.
I am trying to test dual stacking on Metro PCS /Tmobile but only amateur trial and error .
I wonder IF it gives a slightly 'wider ' footprint on Web.
I wonder IF it gives a 'wider ' bandwidth in transmission and reception for the Device -and consumes slightly more power ?
Meaning - is it like a transceiver transmitting and receiving on two channels at once [or wider bandwith on one channel ] ?
I am not a Dev....so keep answer simple or include a summary -,thanks .?
robertkoa said:
I am wondering the exact same thing ...
I noticed on Tmobile Community ...some recommend IVp4/IVp6 ....some say IVp6.
I am trying to test dual stacking on Metro PCS /Tmobile but only amateur trial and error .
I wonder IF it gives a slightly 'wider ' footprint on Web.
I wonder IF it gives a 'wider ' bandwidth in transmission and reception for the Device -and consumes slightly more power ?
Meaning - is it like a transceiver transmitting and receiving on two channels at once [or wider bandwith on one channel ] ?
I am not a Dev....so keep answer simple or include a summary -,thanks .
Click to expand...
Click to collapse
I found an answer, my phone is set on IPv6 connection through the router settings. I don't have the S9+ anymore so, the details to enable IPv6 are here:
https://forum.xda-developers.com/oneplus-6/help/oneplus-6-dhcpv6-support-wifi-t3831639#post77392832
Odd, IPV4 vs IPV6 should make no difference on your signal strength. It's just the IP Address version being used.

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