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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Helpful answers
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May 14, 2012 10:38 PM in response to omar38by King_Penguin,What version are you on now ? If you are on 5.1.0 then the update to 5.1.1 is very small - from here :
- Improves reliability of using HDR option for photos taken using the Lock Screen shortcut
- Addresses bugs that could prevent the new iPad from switching between 2G and 3G networks
- Fixes bugs that affected AirPlay video playback in some circumstances
- Improved reliability for syncing Safari bookmarks and Reading List
- Fixes an issue where 'Unable to purchase' alert could be displayed after successful purchase
If you are on an earlier iOS version then you will get the intermediate updates as well e.g.
iOS 5.1 : http://support.apple.com/kb/DL1504
iOS 5.0.1 : http://support.apple.com/kb/DL1472