Apple have released iOS 4.3.1 for iPhone 4, iPhone 3GS, iPad 2, iPad, and the third- and fourth-generation iPod touch. There doesn’t seem to be anything major in this update.

– Fixes an occasional graphics glitch on iPod touch (4th generation)
– Resolves bugs related to activating and connecting to some cellular networks
– Fixes image flicker when using Apple Digital AV Adapter with some TVs
– Resolves an issue authenticating with some enterprise web services

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