Latest ipad operating system version

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Like many people this afternoon, I read John Gruber’s post — iPhone apps on the iPad — at Daring Fireball with great interest. While I agree with almost everything he said, I disagree with one small point — when the iPad and iPhone OS will become unified.The most current version of the iPhone OS is 3.1.3, but as we all know, the iPad will be released with version 3.2. Many of the changes in the iPad OS are specific changes for that device and were necessary for development.It’s safe to assume that a new iPhone will be available in June and will probably include redesigned hardware. More importantly, I fully expect to see OS 4.0 on the iPhone at that time.iPhone OS 4.0 will include lots of new features, just like you would expect to see from Apple. However, It doesn’t make sense for Apple to unify the two operating systems for 4.0 with the timeline they are working with.Rather, I expect Apple to release OS 4.1 in September or October. It will not only address issues with the 4.0 release, but also unify the operating systems.Gruber is absolutely right about why we won’t see some apps come to the iPad, from Apple and other developers. It’s not a matter of them not working technically, it’s all about design.Some developers I’ve talked to said they are starting over with brand new iPad apps. This is a good thing for users — developers are excited about the extra space they have to work with and are coming up with some innovative ideas.There are some iPhone apps I won’t mind using on the iPad, but if I had my choice, I’d rather use an app designed for the iPad.

Here’s a question I’ve had asked often lately when I’m talking to people about their iPads or iPhones: how do I tell if my iPad / iPhone is running the latest operating system software?It’s a good question, because generally speaking it’s a good idea to keep your iPad up-to-date and run the current version of iOS, the operating system for iPad and iPhone. And happily it’s very easy to check whether you are running the current version and to update your iOS version if needed.
Here’s how:
The quickest way to see which iOS version you are currently running:
Go to the Settings app and to General > About. On the About screen the 9th item down the page is Version. This will list the current version of iOS – at the time of writing this post that is 5.1.1.
Updating iOS If you’re running iOS 5 or later on your iPad:
iOS 5 was released in October of 2011. If you are running that version or later on your iPad then you can simply go to the Settings app and then tap on General on the left-hand sidebar – you’ll then see an item titled ‘Software Update’ in the right-hand window, just below the ‘About’ item. Tap on that and you’ll either get a verification that your software is up to date, or a box showing that an update is available. If there’s an update available, you can choose to install right from this same screen.
* The only exception to the above is when a full new version (for instance the next major update to iOS, iOS 6, which is due for release this fall) is released. These generally require a full restore via iTunes to apply rather than an over-the-air update on the iPad itself.
Updating iOS If you’re running an earlier version than iOS 5 on your iPad:If you never got round to updating to iOS 5 you really should – it boasts a great number of impressive new features and had been updated a few times since with further enhancements and security patches.
If you are on any of the iOS 4.x versions you will need to connect to iTunes on a PC to update iOS on your iPad. As long as you have iTunes installed on your Mac or Windows PC it should open automatically when you connect your iPad to it via USB port and your sync/charge cable.
When iTunes opens it should immediately recognize that your iPad’s iOS version is out of date and it will prompt you to update to the current version. You can then just choose to download and install the latest version and follow the on-screen prompts to get the installation done. The whole process generally takes just 10-15 minutes depending on your connection speeds and the general performance of your PC.
Of course, once you update to iOS 5 you’ll be able to use the simpler update method described above.
That’s about all there is to it. Happy updating.
Your comment that going to iOS 6 will require a full iTunes restore worries me. I have purchased more apps than will fit on my iPad. So I have uninstalled some to open up space and I will bring them back when needed. Does this restore re-install everything or just the apps that are currently installed?It may not be necessary to do a full restore, but it’s generally considered a good idea to do so when moving up to a full new iOS version. If you end up doing a restore you should make sure you have done a backup beforehand. Once a restore is completed it gives you the option to setup as a new iPad or restore from a backup. Restoring from a backup will only put back apps that were installed at the time of the backup, not any that had removed. Those will just be available to reinstall if needed.

Close. I’d say they will be unified in whatever OS release they preview at WWDC this year, the dates for which have not been announced yet.
I’m guessing there will be one or more minor iPhone OS updates before WWDC (possibly all 3.1.x), 3.2 for the iPad, and then a preview of the big release at WWDC. The final release of whatever that is (4.0, 4.1?) would ship a few months later so devs have enough time to update/unify their apps.There’s a lot that can be kept in common between an iPhone app and an iPad app, even if you’re completely redesigning it. All the data models, most of the controllers, all network protocol stuff… I’m not suggesting it is (or should be) just a ‘reskinning’ (those tend to go poorly) but if you’ve got a twitter app or a web-aware recipe app for the iphone, you’re not rewriting the whole thing from the ground up.I’m not sure I like the idea of even calling ipad vs. iphone vs. OS X different operating systems. It’s essentially the same software with slightly different API stacks available. I expect as the processing power, hard drive space, and ram increases on these new devices, the differences in theses stacks will start to fade away. The point though is valid; the key question here is design. When designing a Mac app, you’re looking to make a collaborative player in a wider desktop environment. When you’re looking at ipad / iphone / ipod development, essentially you’re transforming the hardware into a single purpose experience. What can we take this device and turn it into? When you look at the form factor of iphone vs ipad, you can get different answers or at least different spins on the same idea

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