iOS 17 is the latest version of Apple’s mobile operating system, released on September 18, 2023. It is available for all iPhone models released since the iPhone 7.

iOS 17 includes many new features and improvements, including:
A new lock screen: The lock screen has to be more informative and customizable. You can now add widgets to the lock screen to see information at a glance without unlocking your phone. You can also change the font and color of the text on the lock screen and choose from various new wallpapers.

Focus improvements: Focus has to make staying focused on the task at hand easier. You can now create Focus filters to hide distracting content from specific apps and websites. You can also schedule Focus modes to turn on and off automatically.

New Messages features: Messages have many new features, including undoing sent messages, editing sent messages, and marking messages as unread. You can also now share photos and videos directly to Messages from other apps.

New Mail features: Mail has many new features, including the ability to schedule emails to be sent later, undo sent emails, and add reminders to emails. You can now search for emails by sender, recipient, or subject line and easily filter out unwanted emails.
New Maps features: Maps has many new features, including the ability to create and share guides, view live traffic conditions, and get walking directions with augmented reality.

New Health features: Health has many new features, including tracking your sleep quality, heart rate variability, and blood oxygen levels. You can now share your health data with your doctor or other healthcare providers.
In addition to these new features, iOS 17 also includes a number of performance improvements and bug fixes.
A closer look at some of the key features of iOS 17
New lock screen
The new lock screen in iOS 17 is more informative and customizable than ever. You can now add widgets to the lock screen to see information at a glance without unlocking your phone. For example, add a widget to see the current weather, your upcoming calendar events, or your activity rings from the Fitness app. You can also change the font and color of the text on the lock screen and choose from various new wallpapers.

Focus improvements
Focus has been improved in iOS 17 to make staying focused on the task at hand easier. You can now create Focus filters to hide distracting content from specific apps and websites. For example, you could create a Work Focus filter that hides notifications from all apps except your email and work calendar apps. You can also schedule Focus modes to turn on and off automatically. For example, plan your Work Focus mode to turn on automatically from 9 a.m. to 5 p.m. every weekday.

New Messages features
Messages have many new features in iOS 17, including the ability to undo sent messages, edit sent messages, and mark messages as unread. You can also now share photos and videos directly to Messages from other apps.

To undo a sent message, tap and hold on the news and then tap on Undo Send. You have up to 15 minutes to undo a sent message. To edit a sent message, tap and hold on the news and then tap on Edit. You have up to 15 minutes to edit a sent message. To mark a message as unread, swipe left on the message and then tap on Mark as Unread.

New Mail features
Mail has many new features in iOS 17, including the ability to schedule emails to be sent later, undo sent emails, and add reminders to emails. You can now search for emails by sender, recipient, or subject line and easily filter out unwanted emails.

To schedule an email for later, tap on the Send button and then tap on Schedule Send. You can send the email at a specific time or date and time. To undo a shipped email, tap on the Undo Send button at the bottom of the screen after sending an email. You have up to 30 seconds to undo a sent email. To add a reminder to an email, tap on the Reminder button at the bottom of the screen after composing an email. You can at a specific time or date and time.

New Maps features
Maps has with many new features in iOS