I have a new Galaxy S ii and am trying to connect to any of the 4 carriers I see are available. But I get this error for all of them:
'Your sim card does not allow a connection to this network'
Was I supposed to do anything when I was still stateside?
I'd recommend getting a prepaid sim card from one of the local phone companies. You do have other options.
You needed to have free worldclass service enabled.
Animaleyzz's suggestion is definitely the most cost effective, but it depends on you having had your phone unlocked for use with other carriers' SIM cards.
For future references check on the how to do before you leave the states. Never Assume. That way you'll be prepared and you'll definitely have a more enjoyable experience.
By the way when I said "free" I meant you don't get charged for the ability to connect to other networks, but calls will be charged $1.49/min in Ireland (potentially more elsewhere) and data will cost $15/mb.
I did add the Worldclass service before I left... because my account is not yet 40 days old T-Mobile won't provide the unlock code.
Here's some great info in this post. I still recommend that you do your research before leaving the country, it just makes things easier. Google still works in Ireland too. http://support.t-mobile.com/thread/20386?tstart=0
I found the problem... Even though I have the screenshot from when I was home showing that I added WorldClass service on the T-Mobile website, it wasn't provisioned. I just did a chat session with Support and it has been added (again). That should fix the problem. I don't want to have to use my wifi-less unlocked ATT Go-Phone unless I have to, since I expect to use Skype on the SG2 for most calling.
Thanks for the help :-)
Cheers, from Dublin!
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