Database Users

Disable UMTS

Does someone know how to disable UMTS for the Trinity?
I've searched on the forum but I couldn't find any good solutions

Settings -> Personal -> Phone -> Band -> Select your network type -> GSM.

Try this...
http://commmgrpro.com/_wsn/page3.html

bonisalive said:
Try this...
http://commmgrpro.com/_wsn/page3.html
Click to expand...
Click to collapse
I use this Bandwith app also. However, if you really want to turn off HSDPA and leave on 3G permanently you can use the app on this page called HTweakC http://wiki.xda-developers.com/index.php?pagename=Hermes_Registry
I turn off HSDPA because it blocks incoming calls (my carrier's problem). I can receive calls normally with 3G.

Thank you for that Band Tool. I'm a little confused by something, though. Does it save battery life to disable UMTS? I don't need any 3G functionality at all currently, so does it make battery sense to disable UMTS?
Thanks very much.

WilliamG said:
Thank you for that Band Tool. I'm a little confused by something, though. Does it save battery life to disable UMTS? I don't need any 3G functionality at all currently, so does it make battery sense to disable UMTS?
Thanks very much.
Click to expand...
Click to collapse
I beleive that it will. UTMS drains the battery quicker as the phone searches for cells more frequently than it does on GSM

korben said:
I beleive that it will. UTMS drains the battery quicker as the phone searches for cells more frequently than it does on GSM
Click to expand...
Click to collapse
Thank you. Is there a way to make the Band Tool work every time you turn the phone on? If I turn my phone off and on, the tool resets and I'm back to 3G mode.
Thanks again.

Check out Trinityhacks...
http://forum.xda-developers.com/showthread.php?t=300783&highlight=trinityhacks

korben said:
Check out Trinityhacks...
http://forum.xda-developers.com/showthread.php?t=300783&highlight=trinityhacks
Click to expand...
Click to collapse
Thanks again for the reply. I installed TrinityHacks, but it's a little confusing with the whole band selection. I see auto, or GSM+UMTS selections. I don't see a GSM without UMTS. Did I miss something?

Bandswitch settings should persist through a soft reset- mine certainly do. Make sure you leave anough time for the registry changes to save before exiting the program, or doing a soft reset.
UMTS typically uses 3x the current that GSM uses as 3G is a much weaker signal. so the gain needs to be much higher. And in marginal reception areas, the constant hunting between bands further hits the battery

NeilM said:
Bandswitch settings should persist through a soft reset- mine certainly do. Make sure you leave anough time for the registry changes to save before exiting the program, or doing a soft reset.
UMTS typically uses 3x the current that GSM uses as 3G is a much weaker signal. so the gain needs to be much higher. And in marginal reception areas, the constant hunting between bands further hits the battery
Click to expand...
Click to collapse
Well I find it all bit a confusing! Gah! I uninstalled that Band Utility, and installed the Trinity Hacks. Not sure what setting to use to make sure it's 2G. Am I correct in assuming that G at the top of the screen means 2G, and 3G = 3G?

Yes
G=GSM; 3G or U = UMTS; H= HSDPA, (but only shows during data exchange)

Ah ok thanks for that! I think something got messed up, because before it would say 3G at the top of the screen, and my network was identified as UMTS Vodafone. Then I installed that Band Utility and switched to GSM only. Then I uninstalled that Band utility while I was on GSM only. So now I'm stuck on GSM, even when switching UMTS on in the Trinity Hack program. I'm so confused now.

Have you tried Phone/Menu/Options/Band and setting the top box to Auto?

NeilM said:
Have you tried Phone/Menu/Options/Band and setting the top box to Auto?
Click to expand...
Click to collapse
Yes, it's on Auto right now. I don't even see the *specific* GSM-only setting. Maybe Trinity Hacks doesn't have this feature?
*AH I got it*. I reinstalled Band Switch, put it back to Auto (so 3G worked again), and then uninstalled it. Trinity Hacks now works!
Thanks for the help!

how to force internet connection to use 3G/HSDPA only?

is there a program to do that for windows mobile? so that the connection wont fall back to gprs or edge and always use 3G or hsdpa?
in sierra wireless aircard there is an option to set that.

i think there's an option in setting, personal, phone
go to band tab and change network type to WCDMA and change band to UMTS

it works but now phone call also using the 3G network always. how to set only if making data call?

coeternity said:
it works but now phone call also using the 3G network always. how to set only if making data call?
Click to expand...
Click to collapse
If you want to do this band change easyly, can use the tools on
this post, if you want the phone change band smartly, better you flash a good WM6.5 ROM.
Check more info on this thread.

i have a similar question but it is related to forcing the phone to switch from 3G to HSDPA mode when active data transfer occurs..
thanks..

Force 3G only trick

Type *#*#4636#*#*
Select Phone Information
Choose WCDMA only

this worked thanks!

kolyan said:
Type *#*#4636#*#*
Select Phone Information
Choose WCDMA only
Click to expand...
Click to collapse
What happens if no 3g is available? Does this apply to the uk as well?

at&t
two questions:
1. Will this enable 3g use on at&t's network?
2. Is it possible to revert?

1. No
2. Yes, just tap in the same code and switch it back.

You can switch back by using the same code.
If you do not have 3G while this is set to 3G only you will not have any data service, unless you switch it back.
It will not make 3G work on ATT (different frequency)

for those who weren't paying attention when they did this, the default setting is "WCDMA Preferred".

i dont understand why you wouldn't leave it as that????

neilosb said:
i dont understand why you wouldn't leave it as that????
Click to expand...
Click to collapse
Well, because if you are out of 3G coverage area, you don't have and data coverage any more, no web, no email, no syncs, no map. nothing.

Wow, Thank you for the trick, after I did the trick, I tested my 3G speed 4 times to make sure it, My 3G speed is increased greatly. Before this trick I only got about 480 kbit/s, now I tested 4 time I get average 780 kbit/s. That is cool!
Thank again.

3g Switch problem

Hi, I try to install 2 different cab for have 3g switch on comm manager.
My problem is that these 3g switch, don't go to "3g", but switch from gsm to "Auto", so if there is gsm band, it use that and don't force to 3g (WCDMA).
How can i solve?
Thanks!

When on "Auto" it will use 3G if present. So if you still get GSM, it means there's no 3G coverage there and you'd have no network if it forced 3G

kilrah said:
When on "Auto" it will use 3G if present. So if you still get GSM, it means there's no 3G coverage there and you'd have no network if it forced 3G
Click to expand...
Click to collapse
Sorry but here there is HSDPA and 3G coverage, if i Force 3g it go fine, but if i try use the switch it use edge (GSM).
Now i partially solved with a shortcut in start menu of CMBandSwitching.exe

Check in the phone options whether you're on auto (wcdma preferred) or auto (gsm preferred).

kilrah said:
Check in the phone options whether you're on auto (wcdma preferred) or auto (gsm preferred).
Click to expand...
Click to collapse
Where am i looking for preferred band when it's on auto?

On some ROMs you can choose the preferred one, apparently not on yours

kilrah said:
On some ROMs you can choose the preferred one, apparently not on yours
Click to expand...
Click to collapse
I've original 1.66 Rom
Thanks so much for the info.

3G only???

Does anyone know how to enable 3G only on Vibrant????
I can see the option for 2G only, not for 3G... BTW my phone is rooted...

why would you want 3G only? when "2G only" is disabled... 3G is on but if there isn't 3G signal then it goes to alternative EDGE (2G) temporarily until 3G signal is available
"3G Only" isn't a feature.. and its pointless to have it as well

zephiK said:
why would you want 3G only? when "2G only" is disabled... 3G is on but if there isn't 3G signal then it goes to alternative EDGE (2G) temporarily until 3G signal is available
"3G Only" isn't a feature.. and its pointless to have it as well
Click to expand...
Click to collapse
it will be pointless for T-Mobiles users. But it will makes sense for Wind Mobiles users (Canada) cause Wind only has 3G connection and doesn't have any 2G connection.
Ya, so now you know it's not pointless. So what's the solution?

jaykim85 said:
it will be pointless for T-Mobiles users. But it will makes sense for Wind Mobiles users (Canada) cause Wind only has 3G connection and doesn't have any 2G connection.
Ya, so now you know it's not pointless. So what's the solution?
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Click to collapse
I'm pretty sure by default with the 2G unchecked that it's on 3G mode.
It's not a feature, it's just what it is...it's always on 3G accessibility.

http://ip208-100-42-21.static.xda-developers.com/showthread.php?t=734515
Use the code for Battery and General Info: *#*#4636#*#*
Towards the bottom there is an option for "Set preferred network type"
You can change that to only use the networks you want.
The descriptions of each of the choices are at the bottom of the linked post.
Hope that helps

I found that menu didn't work for me. I used that menu on my G1 and it worked great, but it seems to have no effect on the Vibrant.
Check out this post: (change the xx to tt, I can't post links yet)
hxxp://forum.xda-developers.com/showpost.php?p=7208948&postcount=2
That's the proper way to force 3g mode, and I do it on my phone it works great.
Also, another reason to force 3g only is if you live in a weak 3g area. I don't want to ride the edge network 60% of the time if I can force 3g and get it 100% of the time.

Hey none of the methods I read here work.
So after playing around with my phone a little bit, I discovered a way to actually lock 3g.
Again I'm not a phone expert, and I discovered this on my own, so use with caution, I don't want to be blaimed for a broken phone.
here is how I did, copy and pasted from another forum I posted these instructions in:
Tired of edge speeds, want to lock in 3g? Okay this next one, do at your own risk ask usual, use with caution. I kinda figured this one out on my own, through trial and error, so I’m not sure how stable or accurate, or even how safe it is to do this. I did notice though, if you screw up, you can use the factory reset code above and things should go back to factory defaults.
Okay…so again do at your own risk. Also by locking into 3g speeds, if you ever go into a non 3g area, or if your 3g signal is poor in your area, then your phone calls will drop and data will stop, unless you go back and set the phone to its default automatic gsm/cdma settings.
Dial: *#*#197328640#*#*
Click [1] debug screen
Click [8] phone control
Click [7] network control
Click [2] band selection
This is where you make a change, default setting is [1] automatic, which means it chooses automatically between gsm/cdma (Edge vs 3g). So we are going to change this and set it to wcdma band which is 3g.
Click [2] wcdma band
Click [1] wcdma all []
Now it should display “select wcdma all bands [*]"
Now on the bottom of your phone, click the menu key, it’s the one next to the home key, now click back, menu again one more time, back one more time, this is just to confirm it set to number 2 wcdma band.
Now click menu key one last time, click end.. and you are done. Now to double verify that the phone is locked into 3g, dial in: *#*#4636#*#*
Then click phone information Then scroll down to “set preferred network type” It should now have listed “wcdma only.” PS, if you tried to do a shortcut, and just set wcdma this way first without doing the lock above, it would just go back to gsm/cdma auto once you exit the screen.
Your phone should now be locked into 3g.

Just to confirm, i upgraded my firmware to XWJM5 today, and i noticed that in settings > wireless and network > mobile networks, there's a new menu 'network mode' in which there's 3 options - auto / gsm only / wcdma only. Nice touch!
In answer to the cynics, there are times when browsing, when the phone is borderline whether to give you 2g or 3g, it does come in handy, and it's safer too, as if i have to browse on 2g it makes me want to smash the phone up!!

SamsungGalaxySVibrant said:
Hey none of the methods I read here work.
So after playing around with my phone a little bit, I discovered a way to actually lock 3g.
Again I'm not a phone expert, and I discovered this on my own, so use with caution, I don't want to be blaimed for a broken phone.
here is how I did, copy and pasted from another forum I posted these instructions in:
Tired of edge speeds, want to lock in 3g? Okay this next one, do at your own risk ask usual, use with caution. I kinda figured this one out on my own, through trial and error, so I’m not sure how stable or accurate, or even how safe it is to do this. I did notice though, if you screw up, you can use the factory reset code above and things should go back to factory defaults.
Okay…so again do at your own risk. Also by locking into 3g speeds, if you ever go into a non 3g area, or if your 3g signal is poor in your area, then your phone calls will drop and data will stop, unless you go back and set the phone to its default automatic gsm/cdma settings.
Dial: *#*#197328640#*#*
Click [1] debug screen
Click [8] phone control
Click [7] network control
Click [2] band selection
This is where you make a change, default setting is [1] automatic, which means it chooses automatically between gsm/cdma (Edge vs 3g). So we are going to change this and set it to wcdma band which is 3g.
Click [2] wcdma band
Click [1] wcdma all []
Now it should display “select wcdma all bands [*]"
Now on the bottom of your phone, click the menu key, it’s the one next to the home key, now click back, menu again one more time, back one more time, this is just to confirm it set to number 2 wcdma band.
Now click menu key one last time, click end.. and you are done. Now to double verify that the phone is locked into 3g, dial in: *#*#4636#*#*
Then click phone information Then scroll down to “set preferred network type” It should now have listed “wcdma only.” PS, if you tried to do a shortcut, and just set wcdma this way first without doing the lock above, it would just go back to gsm/cdma auto once you exit the screen.
Your phone should now be locked into 3g.
Click to expand...
Click to collapse
Do you have to do this each time you reboot the phone or are the settings get saved somehow?
Just to confirm, i upgraded my firmware to XWJM5 today, and i noticed that in settings > wireless and network > mobile networks, there's a new menu 'network mode' in which there's 3 options - auto / gsm only / wcdma only. Nice touch!
Click to expand...
Click to collapse
Setting to WCDMA only does not change a thing.

Orochi77 said:
Setting to WCDMA only does not change a thing.
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Click to collapse
Well i don't know what's up with your phone, but on my phone, it sets it to pick up wcdma only, like it says.

spark001uk said:
Well i don't know what's up with your phone, but on my phone, it sets it to pick up wcdma only, like it says.
Click to expand...
Click to collapse
Probably has to do with my provider.
Thanks for your answer.