3GS Model MC555LL - how to upgrade iOS to version 6

Hello Guys,
I have a 3GS that came from the U.S. already unlocked, MC555LL model and version 4.1 (8B117).
When it arrived, I put the chip carrier and it worked perfectly. Shortly thereafter, updated the iOS but then did not work anymore. After reading (and do) a lot without understanding much, took me to a shop and did the restore to the same version as it came. The date, the technician told me not to upgrade but would fail again.
It turns out that has many applications that do not work in version 4.1 and decided to try again to upgrade. But first, I would like some help from you guys who have experience.
Or can not raise the iOS version for this device?
Thank you all!

Thanks for the reply.
I tried to update the first time because I knew that the phone was not changed ... I bought it on Amazon and it was information that was factory unlocked.
Can you tell me if still it has changed?
Thank you!

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Hi All,
Let me give brief description about my problem -
My iPod Touch details
Type                          - Apple iPod Touch
Generation                - 2nd generation
Current iOS Version - 2.2.1(5H11)
Model                       - MA627LL
Year of Purchase      - 2008-09
Problem / Issue
Initially when i brought this ipod touch , i was happily enjoying the fun from "itune-store" like downloading various apps/games/music so on...
But now i'm NOT able to download anything from itune-store to my ipod, and it throws an error while sync'ing like my iPod touch was NOT compatible with current iOS version.
So i think need you upgrade iOS newer version.
http://support.apple.com/kb/DL1061 --> In this blog , it's clearly states that i'm eligible for iOS 4.2 upgrade
http://support.apple.com/kb/HT2052?viewlocale=en_US --> In this blog , it states that who own 1st generation have to purchase iOS 3.1 , BUT people                                                                                             who own 2nd generation can get/upgrade to iOS 4.2 for FREE.
Now the question is -
1) How to get/upgrade to iOS 4.2 ?
2) Any steps?
3) Do i need to purchase , or can i get it for FREE as it says in the APPLE site ?
Ways that i tried already -
I tried like connecting to itune-store , and by clicking on "check updates" - it shows as my iPod tocuh was update-to-date.
So how do i upgrade to new version now?
Any help please?
Let me know if need any information regarding my iPod tocuh..
Thanks in advance.
- kiran

Googling shows that a MA627LL iPod is a 1G iPod that can only go to 3.1.3 using this link:
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Identify your iPod here:
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Hi All.. i want to use my iphone 4 to play poker on facebook with the zynga.. idont know the apps name,, thank's for ur help, and how to upgrade ios 4.3.3, now i'm still using ios 4.1.1, thank's

hi All.. i want to use my iphone 4 to play poker on facebook with the zynga.. idont know the apps name,, thank's for ur help, and how to upgrade ios 4.3.3, now i'm still using ios 4.1.1, thank's

when you connect your phone with your computer and use itunes you can click on the phone
and click on an update button
about facebook games then think they are all flash based and iphones cant do flash so thats not possible

How to upgrade ios 5 in ipad 2

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Jagjeet Singh
Edited by: ESO123 on Feb 2, 2011 8:54 PM

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---+-----+--------------------------------------+------------------+-----------
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5 b0fa.ebca.7d70 to b0fa.ebca.7d9f 1.1                               Ok
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Dear Sir,
I'm using Iphone 3G & installed whatsapp in my mobile for long time. On Jan 3, 2013 I got message to upgrade whatsapp, when I press upgrade after that I can't install whatsapp in my mobile. It's asking IOS 4.3 & above and my mobile using IOS 4.2.1(8C148).
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Awaiting for your favourable response.
Regards,
Jagadish Shetty
<Email Edited by Host>

Hi jackshetty
This is a User to User Forum. You are not Addressing Apple here.
With regard to your Issue... See this Discussion...
https://discussions.apple.com/message/20723017#20723017

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3GS Model MC555LL - how to upgrade iOS to version 6

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