i-FunBox is a Windows application which can access iPhone data and applications. Its new version, 1.4.548.527, is out now.

What’s Updated:

1. Repacking IPA now is done in a streaming mode, which uses memory more efficiently and support large Apps.
2. File transfer engine is optimized for the coming iOS 5.
3. Support App installation without Jailbreak for officially signed IPAs.
4. A new UI localization scheme. Now all localized UI text are much easier to kept updated with newly released ifunbox.exe.
5. Customized shortcut can be deleted.
6. Recovery music/video will now show friendly information about the title, artist and etc.
7. A bunch of misc bug fixing.

You can obtain the software from here .