Apple has unveiled its latest software for iPhone and iPod, in 21st March Event among many other important things. Yes iOS 9.3 is the latest OS for iPhone and iPod available to update on iOS devices.
It's not much different from the previous iOS 9.2.1, but it will surely fix some bugs and glitches in previous iOS 9.2.1 .Updating to iOS 9.3 wouldn't be a big deal, in case if you are in love with iOS 9.2.1. The reason is it's quiet a bug fixed update, but surely have improved and neat features. Apple’s mobile software updates almost always fix some security bugs, which is one of the reasons why it’s actually really, really important to be using the latest version.
Most importantly, iOS 9.3 fixes a critical security bug in iMessages. Without the fix, photos and videos you send to other iPhone users are susceptible to an attack that allows hackers to obtain your encryption key. In order to fully patch the security bug and no longer be vulnerable, every iPhone user you message with has to have also updated to iOS 9.3. Let's Update to iOS 9.3.
When the update is available, Apple will send a notification to your phone. You can also check your Settings app to see if there’s a small red alert badge, telling you it’s time to update. Even if you don’t see the alert, you can manually force your device to update. Once you’ve downloaded the update, your phone will have to restart. This will mean a few minutes without servicesomething to keep in mind if you’re waiting on anything important.
How to update to iOS 9.3
1. Backup your data.
It’s good to make sure that all of your photos, tunes, settings, contacts, and more don’t go away along with your old operating system. You can backup via iTunes or iCloud.
Plug your device into its charger or into your computer with the latest version of iTunes installed. And connect to the Internet via Wi-Fi or open up iTunes.
2. Find the software update.
Tap on Settings > General > Software Update. Then click to Download and Install. If you’re plugged into iTunes, find your device. Then under Summary, click Check for Updates.
3. Clear space.
You may be prompted to clear space to make room for the update. Your phone will give you the option to temporarily delete apps and reinstall them after the update. Alternatively, you can make room by deleting files manually.
4. Schedule it for later.
If you really need your phone now, after the software update is downloaded, you can opt to install the software later. iPhones give the option to install overnight (just leave your device plugged into a charger before going to sleep) or to remind you later.