iOS 11.0.2 (15A421)

iOS 11.0.2 includes bug fixes and improvements for your iPhone or iPad. This update:

• Fixes an issue where crackling sounds may occur during calls for a small number of iPhone 8 and 8 Plus devices
• Addresses an issue that could cause some photos to become hidden
• Fixes an issue where attachments in S/MIME encrypted emails would not open

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222