[Q] Samsung galaxy S cannot trigger 3G/HSPA to turn on - Galaxy S I9000 Q&A, Help & Troubleshooting

Hi All.
I've got a problem on my International version of Galaxy S.
Sometimes when I restarted my phone, the 3G connection seems won't connect.
I tried to open Maps, market, browser, or any apps that use internet connection. But the 3G seems won't be able to be triggered to turn ON.
Funny thing is, that when I can find a wifi connection and connect to that wifi network, and disconnect the wifi afterward, then the 3G starts to be connected.
It seems that 3G can only be triggered by disconnection of a wifi network.
Can any one help me with this.
Thank you

Can you please clarify why 3G is disconnected in the first place? On my phone I never turn off 3G or WIFI but just let the phone switch on whichever it wants, this method has never given me any problems.

Geryatrix said:
Can you please clarify why 3G is disconnected in the first place? On my phone I never turn off 3G or WIFI but just let the phone switch on whichever it wants, this method has never given me any problems.
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Click to collapse
I didn't, I just restarted the phone, and 3G never start as I mentioned before.

Related

Data switching in G1

Hi. I've bought my first Android device, a HTC G1 Dream. I've gained root access, installed the last Cyanogen release (with Android 1.6), RA-1.2.3.
What I've noticed is a strange behavior, quite different from the one I had with my BlackBerry Bold.
When I'm home I enable wifi, to save some datas from my (limited) contract. It works and I've set not to disable wifi when in standby. It works. But as soon as I go out (and the wifi coverage finishes), it doesn't re-enable UMTS data until I awake it from the standby manually.
It's quite annoying...is there a way to change this kind of behavior?
Thank you very much!
Is it still connected to EDGE or GPRS? If this is the case it is a PowerSaving feature, if it's totally lost connection with the net then you have a problem I guess...
sturmeh said:
Is it still connected to EDGE or GPRS? If this is the case it is a PowerSaving feature, if it's totally lost connection with the net then you have a problem I guess...
Click to expand...
Click to collapse
When I connect via Wifi, it disconnects from edge, gprs or umts. And doesn't reconnect when the wifi coverage ends (unless I "re-awake" the phone,pushing the menu button)
from what i read your saying thats while its sleeping its not connecting to your data services when your leaving wifi coverage, so my question is: do you not see the data icon when you wake up the phone but after waking it it comes on or are u assuming that its not on?
stefan.buddle said:
from what i read your saying thats while its sleeping its not connecting to your data services when your leaving wifi coverage, so my question is: do you not see the data icon when you wake up the phone but after waking it it comes on or are u assuming that its not on?
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Click to collapse
Yes, I cannot see the icon as soon as I wake up it. Then, in some seconds, it reconnects. More, I can see it's not just a "icon" issue because my K9-mail stops collecting my mailboxes when that situation happen.

3G after wifi PROBLEM!! wont connect

Hello, I'm from Argentina and data connections aren't as cheep as elsewhere. So I use APNdroid to "connect and disconnect" my 3G apn. The connection itself works great after I turn on the phone. But if I use wifi on the N1 and then I turn off the wifi antena the 3G connection never comes back on, even if I don't use the APNdroid and leave it turned on during the wifi usage.
It's simple, 3G works, I use wifi, 3G stops working.
I have to reset the phone to get 3G back on.
Any info or thoughts about this issue?
I'm on eclair 2.1 EPE54B so there's no froyo update for me yet. Don't want to root it quite yet, it's way too new
Thank you in advance!
Nobody has any idea on this issue?

[Q] Fixing Wi-fi without reformatting?

Hey, in the last few weeks I've run into a very annoying bug on my phone. Wi-fi turns itself off after about 2 minutes. It doesn't actually "turn itself off" in the phone - and by that I mean that the wifi icon is still there, and I can see the signal strength, but the internet won't work.
In order to fix it, I have to turn the wifi off and then on again.
I've tried using the Wifi Fixer application, but it doesn't help. It can't seem to detect when I lose my internet connection.
I've also troubleshooted it, checking that it occurs on different routers/types of networks.
I'm sure it's a problem with my phone, but I dont really want to reformat my phone until Froyo comes (since I don't want to have to install all my apps twice).
Is there any solution to this? ;z
I'm on stock rom, JF3, with OCLF.
I have the same problem with my phone. My Wi-Fi at home works just fine, but when I go to my brother's house, I seem to occasionally lose internet connection even though it shows that it's still connected to the Wi-Fi. I have stock Bell ROM with OCLF by RyanZA. Oh, and to fix it I simply turn Wi-Fi off, and then on, and it starts working again.
Bump :x
Anyone have a solution?

[Q] Couple of basic questions please

Hi
I just have purchased a network free (sim free) 7 tab p1000 from the UK.
How do I give the device a name that displays on my wifi router so I know what it is, presently its just shows up a * ?
2nd question.
I first booted device with no network sim in and it asked me about how I want to connect to internet (none, wifi, wifi & 3G).
I put in sim just to check it worked (it did) but then removed sim as I am waiting a new one.
How do I switch off the 3g connection only (not airplane mode) ? (I still want to use wifi)
I can't see any menu option to do this and on my power meter, 48% power is taken by the non existent 3g connection.
thanks
Robin...
I found a strange thing that answered one of my questions.
heres how you disable cellular part of device :-
go to setting, activate flight mode
then go to wifi
turn wifi back on.
it works, no cellular but you still have wifi
now just need an answer on network name showing on my router.
cheers
wifi will still work in airplane mode.. you'll lose bluetooth though in airplane mode..
thanks, i doubt i will need bluetooth much, mainly i will use the device around house so don't want it connecting to mobile network and running up charges and if i take it out with me i want to control when it connects.
any ideas on router name showing up ?

[Q] WiFi Will not stop trying to connect automatically

All of the WiFi issues I have found seem so to be that the WiFi cant connect properly.
I have the opposite problem in that I am not often near free networks. When I leave my house, I turn the WiFi off on my phone.
So I will be watching something on youtube or updating mail at work and everything will just quit. I check the connection and the WiFi is back on and everything stopped because it is trying to connect to WiFi and not staying on my Sprint data connection.
How do I make it quit? I will be at work where there is a highly secured WiFi connection used by some of the more remote robotic systems. My phone will suddenly pop up and tell me that a WiFi signal has been detected and I will get better service by using that connection.
I only want to use WiFi when I turn it on - not when the phone suddenly decides to turn it on.
Thanks
Roxann
If you're on Sprint then you have an S4 and are in the wrong forum. This forum is for the S4 Active.

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