Apple officially released the first public beta update of the iOS 17/iPadOS 17 system. Its version number and updated content are consistent with iOS 17 beta 3, and the version number is 21A5277j.
For users who want to upgrade to the public beta version of iOS 17/iPadOS 17, you can refer to this tutorial.
Upgrade Notes:
1. To prevent accidents, please back up all data in the device before upgrading.
2. After the upgrade, you cannot downgrade back to the iOS version that Apple has officially closed verification.
3. There may be some unstable or unknown problems in the beta version. In order to avoid affecting daily use, it is not recommended to use the main device to upgrade.
Upgrade steps:
Since the iOS 17/iPadOS 17 public beta version currently does not provide corresponding firmware, there is no description file. You need to go to Apple's official website, register and apply for the public beta version through Apple ID, and you can get updates in just a few steps:
1. On the iPhone or iPad that needs to be upgraded, use the Safari browser to enter Apple's "Apple Beta Software Program" page
2. Click "Register" or "Sign In" and log in with your Apple ID. Click the "Agree" button on the page.
3. Go to Settings-General-Software Update, and then click "Beta Update" to see the update options for iOS 17 Public Beta.
downgrade method
The article uses Niu Xuechang's Apple mobile phone repair tool , which is easy to operate, and "iOS upgrade/downgrade" can help users quickly return to the official version of the system.
The tool also supports repairing 150+ iOS system faults, especially for novice users.
Operation guide:
Step 1: Start the tool, connect the device to the computer via a data cable, click "iOS upgrade/downgrade" , and then select the "downgrade" mode.
Step 2: On the interface that supports downgrading systems, the tool will display the official version of the system that the iPhone supports downgrading to , then click "Download Firmware" and wait for the firmware download to complete.
Step 3: iPhone successfully downgraded. Once the firmware download is complete, the iOS downgrade process can begin .
The entire downgrade process takes about 10 minutes, be careful not to disconnect the data cable, just wait for the display of "downgrade successful" .