The other day I tried to install iOS4 on my iPhone 3G and, to my big surprise (and satisfaction), it worked. For those of you who are wondering how to do it, here are the steps I followed:
- Download the ipsw file from Apple. You gotta have an iPhone developer account (at least until iOS4 will go public).
- Download and install iTunes 9.2. Again, you’ll have to have an iPhone developer account in order to access it.
- Connect your iPhone to your Mac
- Fire up the new iTunes
- Alt + click the Restore button, so instead of going on the cloud and search for the latest update, it will open a file picker window. Pick the ipsw file you just downloaded.
WARNING: this will actually RESTORE your iPhone, meaning you will have no apps, no photos, no music, no nothing. PLEASE have a backup of everything before upgrading and after your upgrade will finish, resync your iPhone using the last backup.
iOS4 – What I Liked
Unified inbox. It’s cute, you have everything in one place. I wonder why they didn’t do this before. I mean, really, this is just a simple interface add-on.
Folders. In order to create a folder on your iPhone running iOS4 you have to touch an app icon and wait a few seconds until the icons are starting to tremble. The drag the icon onto another app icon. Yeah, this is a little counter-intuitive at first, but then you’ll realize it’s the only option to create such a feature, without adding an extra level of complexity (buttons or other visual controls) to the interface.
One very slick feature is that if the app you’re grouping under a folder have badge numbers (like a to-do app which will display on the app badge the total of to-do’s for today, the folder will actually sum all the badges numbers.
This is that kind of functionality you won’t expect to have right out of the box. And still…
By default, a folder take the title of the app category, the main category under which the app is listed in the AppStore. But if you double tap the folder, it will open in editing mode, letting you put a new title, if you want.
iOS4 – What I Didn’t Liked
It’s slow and it freezes. Some apps, including LinkedIn app, won’t work on iOS4. That’s somehow expected, since we’re dealing with a developer version of iOS4, but it’s annoying anyway.
Also, on my iPhone 3G multitasking is not available, so not much to say about this.
There is also a new tab in iTunes, which says Books (not only audiobooks). There is a hint at an iBooks app in the AppStore, but I didn’t see the app, at least until now. May be a geolocation glitch, like me using the wrong AppStore, or maybe iBooks is not yet public for iPhone.
Oh, an I had some issues with my app signing after upgrading, meaning some of the apps I uploaded in my iPhone didn’t load under the new iOS4. Kinda weird, but reinstalling the provisioning profiles fixed it. All in all, iOS4 was a much more smoother experience than I expected.
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