Hot answers tagged iphone-4
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Okay, let me walk you through it step-by-step. The first thing we'll need to do is sync. Then we will backup, and then put the new OS on.
Syncing
Take your iPhone and plug it into your computer (using the charging cable that came with it)(it should have a USB, and iPhone connector)
If iTunes does not automatically pop-up on your computer screen within 1 ...
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Upgrades aren't supposed to delete data, but you can't really test if your data is corrupt, so you need to perform and test your backup if you fear losing data.
You might want to test your backup on a new device (borrow one from a friend) before your upgrade yours to see how your exact data does on the current "latest" OS.
That way you can wait or correct ...
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No, at the moment it's simply not possible within the constraints Apple places on apps. Without jailbreaking, the only way an app could be password protected is if the app developer builds it in. To do otherwise would require modifying the functionality of the parts of the system responsible for launching apps (Springboard), which Apple's rules don't allow, ...
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