By following the steps below, you can successfully upgrade to the official version of iOS 17.3 and enjoy the new features and optimized experience it brings.
1. Preparation before upgrading
- Back up data: Before upgrading the system, be sure to use icloud or itunes to back up important data in the device to prevent accidents during the upgrade process.
- Check compatibility: Confirm whether the device is compatible with iOS 17.3. Although Apple is usually backwards compatible, some older models of devices may not be able to get the latest system updates.
- Connect to a stable network: Make sure your device is connected to a stable, high-speed Wi-Fi network to avoid interruptions or delays during downloading.
2. Upgrade process
- Download the update: Go to the "General" option in the "Settings" application, click "Software Update", download and install the official version of iOS 17.3, the update package size is about 6.25g.
- Complete installation: Follow the prompts to complete the installation process. Your device may need to restart to apply the update.
3. New function experience
- Setting method: After upgrading, go to "Settings" > "Face ID & Password", find and turn on the "Stolen Device Protection" function.
- Features: When the device detects that it is in an infrequently visited location, face ID or touch ID verification is required to access some functions and content. At the same time, changing security settings requires a one-hour security delay, which effectively prevents illegal intrusions.
- Setting method: Select the "Flower of Unity" theme in the wallpaper settings, which provides four styles of red, green, multi-color and black. The wallpaper will be dynamically adjusted according to user operations.
- Function introduction: Allows iPhone to connect to specific hotel room TVs through airplay for quick screencasting. The specific list of supported hotels has not yet been announced.
- How to check: Go to "Settings" > "General" > "Applecare and Warranty" to check the warranty status of all devices under the current Apple ID.
- Optimization of car accident detection function: iOS 17.3 optimizes the car accident detection function of iPhone 14/15 series to avoid false triggering.
- App clone function: Through specific methods, you can log in to multiple accounts on the device at the same time, suitable for users who need to switch between personal and work accounts.
- System performance optimization: overall smoothness is better, and multiple high-risk security vulnerabilities have been fixed.
4. Experience after upgrade
- Fluency: Most users reported that the official version of iOS 17.3 has better fluency and no serious lagging or abnormal heating.
-Battery life: Some users report that the battery life is mediocre, which may be due to the upgrade and adaptation of the new version. It may improve after using it for a period of time.
- Signal strength: The mobile phone signal is basically full and the overall performance is stable.