HT201270: Update your carrier settings on your iPhone or iPad
Learn about Update your carrier settings on your iPhone or iPad
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All replies
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Helpful answers
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Mar 31, 2014 4:02 PM in response to KenMxc90by stedman1,The iPhone 3GS can be upgraded to 6.1.6
If your iDevice is using a version of iOS lower than 5, you will need to use iTunes on your syncing computer to perform the upgrade. Use the Apple link below as a guide for the upgrade.
http://support.apple.com/kb/HT4972
Also read the instructions from the section entitled "Update your device using iTunes" at the link below.
http://support.apple.com/kb/HT4623
Information regarding transferring purchases from your iDevice to iTunes on your syncing computer can be found at the link below.
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Apr 1, 2014 1:38 AM in response to stedman1by KenMxc90,I still do not see how this answers the question. Followed the link, but there is never the chance to visually upgrade to iOS 5. Checking for update only advises that version 4.2.1 is the latest software and I don't see anything else to click.
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Apr 1, 2014 1:43 AM in response to KenMxc90by Ocean20,you cannot upgrade to iOS 5.0 you must upgrade to 6.1.6 and you do it by connecting your phone to your computer and use itunes
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Apr 1, 2014 1:44 AM in response to KenMxc90by Ocean20,UPDATING iOS
Over the air updating of iOS needs iOS 5 or later so unless you have iOS 5 or later you will not see updating in setting
The following link explains how to update http://support.apple.com/kb/HT4972
This link explains how to update using wireless http://support.apple.com/kb/HT4623
This explains how to transfer purchases to your computer http://support.apple.com/kb/ht1848
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Apr 1, 2014 2:34 AM in response to KenMxc90by stedman1,In this case you most likely do not have an iPhone 3GS as shown, but a 3G. In this case, 4.2.1 is the highest possible.
We can only advise, based on the info you give us.