A way to prevent connection to wifi when 4G is available? - Android Q&A, Help & Troubleshooting

Is there an app or a script I could run to tell my phone not to connect to wifi when 4G is available..? I run with wifi on all the time and have a handful of networks I connect to but would like the phone to automatically disconnect from wifi when 4G is available then reconnect if it is lost. This is useful for me at work because depending on where I am in the building I may have 4G/3G/no data but the wifi is everywhere but it is unsecured so I'd rather not use it if I don't have to.
Sent from my DROID BIONIC using xda premium

just disconnect WiFi from notifications turn on data mobile from the same notification or add toggles widget.
save your internal space for something better.

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Defaulting to 3g connection even with wifi connected

I was wondering if anyone might know how to fix this. The problem seems to be that when I am connected to the carrier's network (AT&T) and have wifi on at the same time it still just uses the cell connection. I have an app that I have set to only download data via wifi (dogcatcher) and if I have both connected it won't download anything because it doesn't see itself connected to the wifi, but if I go into airplane mode and turn wifi on it works just fine.
Sent from my GT-P7510 using XDA Premium App

How to get reliable wifi tether with 4G

OK, I have been frustrated with the lack of consistent/reliable wifi tether with the Photon as are many others. I live in a good 4G area but, up to now, have only been able to tether 4G via USB. Unfortunately, the awesome wifi tether app (thanks Harald Mueller and co.) still doesn't have dedicated settings for the Photon so we've all been fiddling with settings and app versions etc.. to try to get it working.
My main problems have been as follows:
1) 4G shuts off automatically after connecting and reverts to 3G
2) connection with tethering devices gets interrupted and the device no longer sees the phone. Need to restart the tether app on the phone and re-establish link with the device.
3) Can't talk on phone and tether simultaneously on 3G
4) Can't stream video to devices on 3G
etc...
The fix I found that works basically flawlessly is a jumble of different fixes other people have tried/found so I don't take credit for that but I have not seen the exact combination which work for me elsewhere so here goes and hope it helps some would-be 4G tetherers out there.
1) Install wifi tether version 3.0-pre12 ***EXPERIMENTAL*** (you have to go to the developer homepage and search for older versions)
2) Install data enabler widget from the Market
3) Wifi tether settings: samsung galaxy S, leave setup-method alone, setup wifi encryption to your preference
4) Turn off 4G
5) Turn off data via enabler widget
6) Launch wifi tether app and turn on tethering
7) Turn on 4G antenna (leave data enabler widget off!)
8) Wait for 4G data connection to appear active in the upper right of the phone
9) Connect your device via wifi and enjoy 4G tethering
Don't know why step 7 is so important but it is...
I now can pull 5-7 Mbps easily through the phone and stream flawlessly. I also don't get the mobile IP registration error anymore. Can also phone/tether simultaneously.
Only problem I have seen with this method is that after closing tethering down, the 3G data sometimes doesn't want to kick back in. Toggling data enabler will usually fix this although one time I did have to reboot the phone.
hope this works for others too!
will try later. thanks for the tip
it worked. thanks, however i used wifi tether 3.1 beta 7
Sent from my MB855 using XDA App
Used Beta 11
Awesome, thanks for the info. seems to work with beta 11 and tornedo Root.
Thanks for bringing this up - there was another post regarding this here :
http://forum.xda-developers.com/showthread.php?t=1265219
I was wondering whether anyone else has been successfully using the 4g wifi method as snappydave [OP] and these steps...
I haven't been using wifi-tether in a while (on my shabby torpedo rooted stock photon) since the google wifi 3.0 beta5
It would be nice to see the idea of being able to tether to 4g (in my area) and connect to a laptop and still use my phone to send/receive voice calls.
bottom line : does the data enabler widget and google wifi tether work well with these steps and 4g with in/out voice simultaneously? Or should I just stick with the google wifi tether on 3g and deal with the dropped connection on incoming voice calls? I can't afford to lose voice functionality - at least with the google wifi tether when I had used it, my tethered connection would drop from my laptop and then pick back up after an incoming call - sucks that I would lose the net connection - most important in case of something that requires a stable connection (e.g. video chat-skype / large file download)
Thanks to anyone in advance for further clarifications - cheers.
.........http://forum.xda-developers.com/showthread.php?t=1539017

[Q] Mobile data network doesn't disconect when on WiFi

3 out of 4 times my phone fails to disconnect the mobile data network when I connect to WiFi. This is draining my battery unnecessarily.
What could be causing this unless I can fix it so it is automatic I will have to stop using wifi so it doesn't waste power keeping both connections going.
I am running a 2.3.6 rom.
Do you toggle the connections or just enable/disable WiFi? When you enable WiFi and connects, does the 3G icon (the two arrows) appear next to the WiFi icon?
my phone does both I have a program that shuts it completely off when I go to work then back on when i get home based on time.the rest of the time it is on even if I go away which then it just disconnects but wifi is still on.
I have not paid enough attention to when it happens but when it does I have both the wifi icon and the data arrows at the same time.
shadowofdarkness said:
I have a program that ...
Click to expand...
Click to collapse
I think you just answered your own question
What program are you using? Might a suggest a change for Juice Defender for example? or many others that do the same thing...

Skyrocket: no free internet access on WIFI??

Hi,
I just got this white Skyrocket phone with 200MB data plan.
I heard that when connected to 4G, the phone uses data allowance from the data package, whereas if connected to WIFI (like at home), the data usage doesn't come off my AT&T data allowance.
So I want to disconnect from 4G and connect to my WIFI when I am at home.
At the store, the just told me to make sure that WIFI is showing as on on the top bar (or when you swipe that bar down). They said if WIFI is showing on, it means that the phone is using WIFI connection.
However, I see that at the same time when WIFI is showing on, the "4G" icon is also showing on and looking active! So- they are both looking active! That's why I wonder which connection is my Skyrocket actually using?
It looks like the data I use on WIFI also comes out of my data plan because the data packet is on.
So I had an idea, went to settings-wireless-mobile networks and unchecked "Use Data Packet".
When the above was unchecked, 4G icon disappeared and I could see only WIFI icon on the top bar, which would be good - however, the problem is that now I cannot connect to internet. (I turned the phone on and off- no change)
Does it mean that there is no way on Skyrocket to bypass AT&T data allowance and whether I use 4G or my own WIFI, there is no free internet access on this phone?
Or is there something else I can do to make sure I am connected just to my WIFI and data is free?
I would appreciate your help.
Thank you
This isnt the skyrocket forum.
wrong forum.. don't know about Skyrocket.. this is Galaxy S II SGH-i777
But you can always check by running some speedtest if you know how fast your wifi is.. or just go to settings and make sure it says connected.. or turn off your data when you're not using it.
Grab a program like traffic monitor. It'll show where your apps are getting data from and how much they're using.
Sent from my SGH-I777 using Tapatalk
Sometimes apps like the market actually use your mobile data connection so both icons will show. From your phone dialer enter *3282# and hit call. It will send you a text letting you know how much data you've used.
Sent from my SGH-I777 using Tapatalk

[Q] WiFi Connection Problems

Anyone with the Amaze 4G for T-Mobile USA notice that it often doesn't connect to remembered WiFi networks even though they are in range and it will only connect if you go to view WiFi settings/networks under settings then it connects?
Also, anyone have any issues connecting to WiFi networks where the SSID is not being broadcast? I can get it to connect initially but it will never reconnect to a hidden SSID network that it "remembers"?
Using stock gingerbread ROM.
I notice this happens every now and then... I will have to open my WiFi networks, then before I can click on the network, it refreshes. It happens only rarely for me, but I have noticed it at times
Sent from my HTC_Amaze_4G using xda premium
glad im not the only one, sometimes when i get home i have to go to the wifi settings and refresh the scan, after i been home for several minutes,
had seen this on stock and faux kernel

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