[Q] ro.roaming.extended = national roaming? - Sony Xperia S, Acro S, Ion

You can add two lines to the build.prop to make roaming invisible. Is this the same thing as "national roaming" in cyanogenmod and some other firmwares where roaming is only allowed for telcos in your home country? That way virtual operator users can use their phones without roaming and don't get hit by data bills if they forget to switch it off when traveling.
So with
ro.roaming.extended=true
ro.roaming.extended_rule=1
added to the build.prop, will my xperia s happily use data when I cross borders or not? For the record, with these lines you don't have to have "use data when roaming" option selected in network settings.

http://forum.xda-developers.com/showthread.php?t=2105515
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roaming?

ie will not work, but opera 9.5 beta works fine, so thats cool, also i have a white box at the top middle, that has a bold R in it, does that mean my phone is in roaming?
Yes, the white box in the top bar with an "R" in it is a "Roaming" indicator.
As for data access while roaming... Some programs work, some don't, some allow you to set whether or not they will try to access data while roaming. Some networks will allow data access while you are roaming using them, some others do not. There are not really any rules that are *ALWAYS* true. There is a lot of talk about Sprint and Verizon (the 2 largest US CDMA carriers) finally working out a deal to allow users from one provider use the other providers network for data services, but as far as I know there is still no official agreement in place at this time.
Scruffy

Disable/Enable 3G/2G traffic when on different networks?

In Norway I live close to the border to Sweden. I have to roam in my area to a Norwegian Network, because my phone company only have their own network in the big cities here. Before I had an operator the had their own networks in my city.
So when I now roam with the other Norwegian network, I have to disable that "Disable network data when roaming". And sometimes I now get connected to the Swedish network and have to pay 20x times more pr MB.
Is there a way to disable 3G/2G on different networks of my choice?
Hope someone know of something that will help.
Sorry for my English.
Setting-wireless and network-mobile network-dataroming unchecked
Something like this cause mine is in dutch.
Like I said, I have to have it unched cous of my network today is not the default of my operator, so I'm romaing all the time when I use my phone. I want something that can read the operators name and then enable the 2G/3G data connection is it is one of the networks I've accepted. If it's not, then disable the connection.
Cant help you with your roamaing problem, Sorry. But maybe you should consider going back to your old network. If you have no signal at your home you may have the right to cancel your contract.
The clue is that I pay 20£(with use in Norway) until 1.1.2011 to use the phone(sms/mms, calls, MB) as much as I want for only 20£. After 1.1.2011 I'll pay 20£ for 500sms, 500 minutes and 500MB.
But that only works with the operator network and the one they rent(like I use). The one I rent belongs to Telenor, the biggest phone company, as they have the best signal too, I want to stick. But they suck at priceing, so I want to be with my new operator.
But why is it so hard to read the operator name with an app? Than then can enable/disable data connection?
My phone is Desire and it is rooted, running OpenDesire.
Sorry for misunderstanding the first time.
One option you could try is Tasker. I think it has the option to turn data off/on when connected to a certain cell tower. It's not the exact thing you asked for but i don't know any other options.
You have to program it yourself, but just download the app from there site (gives you a 7 day trial) and try it if you can make it work.
Cell Tower, is that the operators ID or the tower itselfe(a operator has many towers)?

What is considered "roaming" by the phone?

We all know that there's a setting called "data roaming" or "use mobile data while roaming". I'm wondering what is considered "roaming" to the phone? And how does the phone know it's currently "roaming"?
My guess is, the phone considers itself being roaming when the network it picks up is not the default network specified by the SIM card. For example, if I have a Rogers SIM and I travel to US where Rogers network is not available but only AT&T network is available, the phone will pick up AT&T signal, and thus the phone considers itself as "roaming"?
Is my understanding correct?
it's defined by your SIM card not the phone
once you jump carrier you are roaming

[Q] Roaming Controls?

Maybe I'm dumb, but I can't find the roaming control settings. I live in Mexico and cross everyday into the United States.
I need to turn my settings for roaming like this:
Domistic: Data & Voice
International: Only Voice
I also have the Call Guard on because it alerted me if I was "International" Roaming or just "Domestic" Roaming when I was going to answer a call....
I had the Epic 4G and had those controls as does my chick in the Photon.... is it because of having the Nexus? Is there a way or an app to get the settings back?
Thanks!
I'm running CM9 so it might/probably be different.
Go to settings, then hit the menu button (three dots)...there should be an option to click 'Data roaming' and 'Restrict background data'.
Right but it doesn't give the option to block International Roaming while keeping active Domestic Roaming....
That's my problem. Living in the border city, I get some domestic roaming down here and I want that... its just the international roaming that I don't want to access. Every other Android phone i've had has that setting that differentiates.
The phone doesn't tell me when I am roaming domestically or internationally either. Do any custom roms address this?
sorry OP, but i also have a similar question... I'm using CM9 and I'm going to japan and i would like to only use my phone on wifi and disable all data. how would i do this

Question How to change preferred network type?

I'm on EE UK but the preferred network type setting doesn't appear to be present in SIM options?
It appears that some providers suck hard and don't want to allow you to switch networks. That's not a phone thing-y, it's a provider thing-y. Which means that your phone will of course still change networks, but only if the "higher" one is not available, ergo your phone will only connect to 4G, if 5G is not available - if the 5G connection is bad, that will probably cause problems for you, because your phone will probably not want to connect to 4G automatically.
I can easily switch preferred network types
Settings -> Network & Speed -> SIMs -> (scroll down, between 4G Calling & Carrier settings version) -> Preferred network type (5G, 4G, 3G, 2G).
It that's not available, your network carrier sucks. No more to say here.
I'd suggest you either switch providers, or contact your provider to see if they are willing to change this. It's definitely on their end, cuz people like me can change the settings easily.
cd993 said:
I'm on EE UK but the preferred network type setting doesn't appear to be present in SIM options?
Click to expand...
Click to collapse
You may be able to change preferred network type with *#*#4636#*#* dialer code.
cd993 said:
I'm on EE UK but the preferred network type setting doesn't appear to be present in SIM options?
Click to expand...
Click to collapse
EE (& BT Mobile) hide the menu.
Morgrain said:
It appears that some providers suck hard and don't want to allow you to switch networks. That's not a phone thing-y, it's a provider thing-y. Which means that your phone will of course still change networks, but only if the "higher" one is not available, ergo your phone will only connect to 4G, if 5G is not available - if the 5G connection is bad, that will probably cause problems for you, because your phone will probably not want to connect to 4G automatically.
I can easily switch preferred network types
Settings -> Network & Speed -> SIMs -> (scroll down, between 4G Calling & Carrier settings version) -> Preferred network type (5G, 4G, 3G, 2G).
It that's not available, your network carrier sucks. No more to say here.
I'd suggest you either switch providers, or contact your provider to see if they are willing to change this. It's definitely on their end, cuz people like me can change the settings easily.
Click to expand...
Click to collapse
Or you could just make sure Adaptive Connectivity is enabled and not worry about it.
You would have to drag me away from EE (BT Mobile) screaming and kicking given the coverage and speeds they have, to say they suck over one menu option missing is absolutely laughable.
cd993 said:
I'm on EE UK but the preferred network type setting doesn't appear to be present in SIM options?
Click to expand...
Click to collapse
When the Note 20 first came out a lot of carriers wouldn't let you change network type but there's an app in the play store that was working on the notes.
Force 4G/5G Only - Apps on Google Play
Lock your phone to 4G/5G mode or VoLTE network
play.google.com
ggrant3876 said:
When the Note 20 first came out a lot of carriers wouldn't let you change network type but there's an app in the play store that was working on the notes.
Force 4G/5G Only - Apps on Google Play
Lock your phone to 4G/5G mode or VoLTE network
play.google.com
Click to expand...
Click to collapse
Crashes or alternately just disappeared for me when I click on the first option "4G LTE with only one SIM". Reported the crash. Thanks, though. Maybe they'll update it.
An alternative to the dialer code is to boot into safe mode, and the preferred network type setting will appear in: Settings -> Network & internet -> SIMs between Data warning & limit and Carrier settings version (at least it does on my Google Fi Pixel 6 Pro).

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