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How do I select UMTS/WCDMA mode only?

Well guys I am a newbie to the Android world!!
On my earlier Nokia I used to have three options for the Network Mode under the Phone Settings, viz. , Dual Mode, UMTS, GSM. Since in my area the 3G signal is a bit weak I used to select UMTS only, so that the phone doesn't switch over to 2G automatically.
However, in my android device (Samsung GT-I5503) the only option under the Mobile Networks which is anything similar to a Network Mode selection is the Use Only 2G networks checkbox. I believe it disables Dual Mode and allows GSM network only, in the Android device. So Android Gurus and Forum Moderators, do you guys know of any method or software which can select 3G network only!!
Please help me guys as the 3G reception in my network is a bit weak, Android doesn't switch over to 3G!!
Oh and BTW, I'm getting a really good 2G signal. The Signal Bar is 4/4 most of the time!!

@Mods: Could you please change the title of the thread to "How do I select UMTS/WCDMA only, on Samsung Galaxy 5 (GT-I5503)?"

[Q] Option to use only 3G (umts) and NOT 3.5G (hspda)

my data plan only use 3g (umts) and not 3.5g (hsdpa)... but my android always switch 3g to and looking for hsdpa back and forth and drain battery much faster
when umts change to hspda (icon change from 3g to H) then it use battery power.. in my case i use 3g (umts and not 3.5g or hspda ) data plan only... but android keep searching hspda signal and THIS is when battery used the most (the process) and EVEN when my area have 3.5g covered but because i use 3g only data plan... then the back and forth process (3g<->H) will kep coming and drain my battery fast
so... i look for any kind of workaround so our android keep stay in 3g (umts) and not drain any unnecessary battery power searching for hspda
maybe android "thinks" 3g/umts and 3.5/hspda as the same?? android categorize umts and hspda as one big fat 3G network
i wonder why newer os like android doesnt have this kind of feature in winmo there is an option :
disable hspa = so hspda disabled.. AKA 2G or UMTS only
enable hspa = enabled hspda, hspa, hsupa etc.. AKA 2G, UMTS and HSPDA
is there any tweak/program/widget/application that can enable 3g (umts) only?

i think it is settings>wireless networks> network mode> GSM
if not try *#*#4636#*#*
go to phone information and you can select preferred network type.
If this helps press thanks!

uhh i have tried that before (and choose wcdma only aka 3g only).. and no luck
reason like i sadi before android "thinks" 3g/umts and 3.5/hspda as the same, android categorize umts and hspda as one big fat 3G network...
so 3G in android is umts+hsdpa, while i want umts only

To get 3G UMTS only
Firstly make sure your device is rooted.
Download Root Explorer, if you don't have
Go to your system folder
Mount it as read and write (r/w)
Find Build.prop
Select and Hold it, and the options will appear
Select the open with button
Select the text editor
Scroll down to find ro.ril.hsxpa=1
Change the number to your desire network (0 or 5 = UMTS , 1 = HSDPA only, 2 = HSDPA & HSUPA)
For your case change it to 5 and it should be like this ro.ril.hsxpa=5
Save it
Then reboot
Now it should be running 3G instead of H
This worked for my HTC Desire HD

don't work for me.
In ro.ril.hsxpa=X, I have written x=0 and I'm still leaving a H
Using Xperia Mini Pro (sk17i)

[Q] How to show GSM network preference

Hello. I'm new here.
My handheld is innos i6c which has cdma-gsm. My handheld's data connection was locked to cdma (Hybrid / 1x only / EVDO only).
The "GSM Network Preferences" on setting was hidden, only "CDMA Network Preferences" was shown.
My handheld was rooted. Is there any script on init-d or build.prop or another way to show the "GSM Network Preferences" setting so i can change the GSM Network Preferences to 3G?

BUMP!!!

Network with 3G connectivity

Hello guys, i am from India. Here, I have activated airtel 3g and i am from Maharashtra state. Here, airtel network uses IDEA network for 3g packs as they don't own the spectrum. I kept my cell in 3g mode and "automatically select network", but it stays in 2g(Same doesnt happen in my note 2, using 3g in auto mode). If i manually select IDEA from the list of networks, it goes to 3g. I want to keep it on auto, like switch to 2g when 3g is not available. Settings are same. How to make it switch to 3g automatically. Preferred mode is 3g. Any problem in my handset?
Thanks

[Q] issue with network type

hi guys i have huawei g630-u20 and i use it in iran.
my problem is switching between 2G or 3G network type.
my phone dont have network type option in settings and my phone dosen't support this code(*#*#4636#*#*) to accses phone managment.
i manually search network and select my 2G carrier network but my phone change it again to the 3G network, i think my phone is basically set on 3G/2G (prefrred WCDMA) network type.
what can i do to swith my network to set my network on only 2G network or 3G network?!

can anybody help me?!

Try to modify buil.prop with
ro.telephony.default_network=x
0 = WCDMA Perfered
1 = GSM Only
2 = WCDMA Only
3 = GSM/WCDMA (auto mode, according to PRL)
4 = CDMA / EVDO. Perfered

tnx buddy.
i must root my device for this work?!

cyrus-king said:
tnx buddy.
i must root my device for this work?!
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