Should you upgrade to iOS 17.2.1?

Today, Apple released an update to the official version of iOS 17.2.1 to iPhone users. The version number is 21C66

According to predictions from various media, the official version of iOS 17.2.1 is actually just a small update. A transitional update, mainly used to fix some bugs and security vulnerabilities and prepare for the upcoming iOS 17.3. iOS 17.3 will introduce a new "Stolen Device Protection" security option and re-enable the ability to collaborate on creating Apple Music playlists

Update content of the official version of iOS 17.2.1, Apple's update log is as follows: This time The update fixes important bugs and resolves an issue with battery draining too quickly in some cases, and is recommended for all users. It should be noted that due to server cache configuration issues in various regions of Apple, the upgrade update time in some places may be slightly delayed, but it will not be too long.

Apple has also closed support for iOS 17.1.1 and iOS 17.1.2 verification channel, which means that once you upgrade to iOS 17.2.1, you will no longer be able to downgrade to these two versions

Apple iOS 17.2.1 official version upgrade method:

In order to avoid unexpected situations, before upgrading, please back up all data in the device in advance (it is recommended to use Apple’s full data backup function, one-click free backup)

Before upgrading, please ensure that the device has enough Storage space and sufficient power, and connect the device to a power source when upgrading

How to upgrade: Open "Settings" - "General" on the device, and then check for updates in "Software Update"

If you encounter verification failure, update failure, unable to upgrade normally when upgrading to iOS 17.2.1, or system problems such as white apples, continuous restarts, and black screens after a successful upgrade, you can try to use the Apple mobile phone repair tool for one-click repair

• Can easily repair 150 iOS devices with white apple, black screen, non-stop restarting, stuck in recovery mode, failed update, unable to boot and other system problems
• One-click free entry and exit iPhone recovery Mode
• Repair in standard mode without losing data and update the device to the latest version
• Can upgrade and downgrade iOS version with one click
• Supports all iOS devices and versions, Including iPhone15/14/13/12/12/11/SE, etc.

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