[Q] Problem with 3G connection after roaming in 2.3.3

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Hi there.
I've a problem with my O1.
I've updated it to Gingerbread V20C stock and have a problem with the mobile internet connection.
My mobile operator is H3G italy. When there is no signal under H3G network it swap to another operator for roaming and the 3G connection drop. No problem till there, 'cos i disabled data roaming.
But when the H3G connection come back, it does not connect to internet. I've checked several times for apn parameters and they are ok, and it isn't a network problem for sure.

Any hint?

Sorry for my poor english, i hope you can understand my question as well...

3G problem with GingerLOL 1.5 (Vietnam)

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Hi all,

I'm come from Vietnam. I met problem with 3G connection after install GingerLOL 1.5 ROM (http://forum.xda-developers.com/show....php?t=1118685).

Everything seems Ok except 3G connection.
Is there any one met the same problem ? If you knew solution for it, pls share it with me.

Thank you very much,

Hi all,

I am sorry, I have just found out the solution.
We should change APN setting, it can't detect it automatic.
In Vietnam, pls refer : tinhte.vn/thay-doi-nang-cap-firmware-280/p500-huong-dan-flash-rom-2-3-3-official-cua-lg-romania-root-753413

Other countries should take Mobile provider factor of your countries.

Thank you,

It's not a apn settings problem. My apn settings are ok and 3g connection work till the telephone lost h3g network and switch to other operator. When it come back to h3g i have the voice services but no 3g connection at all.

1) If you are not in roaming then turn off roaming, if you are in roaming then turn in on see it is working or not.

2) Just select on 2G from setting and check EDGE is working for you or not. If both the the things have same problem then talk to your ISP and confirm another phone has the same problem or you are only one who is facing this problem.

3) Some times your carrier change their APN without any notice so check they have same APN or not.

I'm sure it's not a network problem because other phones or the same phone with Froyo works with no problem at all.

With 2.3 i have 3g connection until i'm in a point where the default operator (H3G italy) have no signal so the telephone switch to the roaming operator. There the internet connection drop (i've disabled data connection while in roaming), but it's ok.
If the telephone switch again to the default operator i have no problem at all with voice services, but the 3G network connection don't come back until i reboot my O1. Other people have the same problem with the same device and the same version of android (lg stock rom) and the same operator (the only one that use roaming in italy).

I've had problems with my 3G connection too. Didn't go out of the country or anything, just turned on and turned off the 3G connection (data). Had to reboot every time it happens.

This seems a known bug with Gingerbread on P500 and h3g italy... Hope they fix soon....

Hi, I have same problem with data connection lost after return from national roaming in Slovakia (oprator O2). I have LG Optimus One with official gingerbread upgrade. Do you have some news about this problem? Thanks