Esato Forums - Sony Ericsson / Sony : GPRS, WAP, MMS and Email setup : Why won't 3G enable anymore? I'm on o2 PAYG

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alex_ncfc Posts: 66

Hi all, having a long term phone problem here! When i got my k800i to replace my k750i, it was an o2 phone so i just popped my current o2 sim into it and all was fine, including 3g, for which there was constantly an icon at the top of my screen. Anyway, one day i wanted to see if i could get rid of the icon, so i went into my settings and changed it to 'GSM data only' and obviously it turned off 3g and got rid of the icon,etc. But now i want to have 3g back, and everytime i select '3g and gsm', it spends a few seconds configuring, resetting the network, and sure enough, the 3g icon does come back, but then 1 of 2 things happens: it will either just disappear again after a few seconds, or a new icon will appear next to it, a phone with a line through it, and my status changes to 'Emerg. Calls only' - then, both icons will disappear, and the 'normal' o2 network returns. I am at a loss! It's nothing to do with my area, as the blue 3G icon was ALWAYS there wherever i went when i first got the phone. Any ideas people? Any special settings i need to use? Would be awesome if you could get this working for me!

thanks
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Posted: 2008-10-11 11:34:34
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StevenC Posts: > 500

Of course when you swicth from 'GSM' to 'GSM & 3G', the phone will first search and connect to the GSM network as default. After that it will try to search for the 3g. A little waiting will do it.

Or perhaps you should go Connectivity - Mobile Networks - Select Network and from there you can search for the 3g network and select it manually.

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Posted: 2008-10-12 01:47:51
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lukechris Posts: > 500

So as long as you hav'nt switched sim cards (from o2 3g sim card to o2 normal sim) you should be ok with the mini tut @yea g told ya
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Posted: 2008-10-12 11:33:06
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alex_ncfc Posts: 66

So I need a special sim card do I?

Cos my SIM i got about 3 years ago...but when I got my K800i phone, like I said, it was an o2 phone so I just popped my current o2 sim in there and it worked fine and I had the 3G.

I haven't changed sim or anything since, the only thing I changed was the GSM option (which I now wish I hadn't!) and now the 3G won't stay enabled when I select it! Grrr!

What's this mini tutorial you mention?

Thanks
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Posted: 2008-10-12 13:41:29
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mafiasurf Posts: 25

You can select 'general reseting' from setting

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Posted: 2008-10-25 13:13:58
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med Posts: 277

@alex-ncfc, i think that you operator has a problem with its network,... Because when the phone appear with a red barre...... This means that it's no signal...you cant make a call or connect to the net.......
Anyway ask your service provider for good informations...
.

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Posted: 2008-10-25 14:57:00
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lukechris Posts: > 500

There is a problem with one of o2's cell's (the thing which transmits ur fonne calls), and it affects my mate too
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Posted: 2008-11-03 18:39:30
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