After the several beta tested and update, Apple has released official version of iOS 10.2.1 for the iPhone, iPad, and iPod touch which includes bug fixes and security improvements.
iOS 10.2.1 is available via an over-the-air update or through iTunes for iPhone, iPad and iPod touch. You can update by navigating to Settings app > General > Software Update > Install or through iTunes by connecting your device directly and manually.
It’s a really simple and different method for installing iOS 10.2.1 firmware on iPhone, iPad and iPod touch via iTunes and through OTA(Over The Air) software update.
How to Install iOS 10.2.1 on iPhone/iPad Via OTA Software Update:
Go to Settings — General — Software Update and Hit download and Install.
If your device is jailbroken then the steps mentioned above does not apply. So you need to install directly or manually from iTunes as follows;
How to Install iOS 10.2.1 on iPhone/iPad Using iTunes
Direct Method:
Connect your device to iTunes (Latest Version) > Select your device> And hit restore if you want clean install iOS 10.2.1 or hit update if you want move from previous iOS version.
It will first download the .ipsw firmware file and it begins with the restore process. But while doing this you need good internet connectivity. If you lose your internet connectivity you cannot resume your download. So it’s better to restore or update your device via iTunes manually.
Manual Method:
To install iOS 10.2.1 on your device like iPhone-iPad, Simply Download the .ipsw firmware file for your device from our download page — Open iTunes — Go to Summary of your iPhone — Hit Shift key and Click on Restore iPhone or Update iPhone.
Note that restore means clean iOS 10.2.1 update and update means just moving from previous iOS version to iOS 10.2.1 update with no changes.
After that select the downloaded .ipsw file and you’re done. The restoring process takes a while so dont panic. After rebooting several times that your device will be loaded with the latest iOS 10.2.1 software version.
Jailbreakers should stay away from this update as it will lose your jailbreak and there is still no jailbreak yet for iOS 10.2.1 and downgrading back to iOS 10.1.1 and lower is impossible as Apple has stopped signing it.
Note: Backup your device before performing this action
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