iOS 17.3 베타 버전에서 아이폰을 벽돌로 만드는 버그가 발견되면서 애플이 이 버전의 배포를 중단했습니다. 

만약 벽돌이 됐다면 복구 모드로 진입해 구 버전으로 롤백하면 됩니다. 

Overview
The iOS & iPadOS 17.2 SDK provides support to develop apps for iPhone and iPad running iOS & iPadOS 17.3 beta. The SDK comes bundled with Xcode 15.1, available from the Mac App Store. For information on the compatibility requirements for Xcode 15.1, see Xcode 15.1 Release Notes.

Important

iOS and iPadOS 17.3 beta 2 have been withdrawn temporarily due to an issue that prevented a small number of devices from starting up. If your device is in this state, you can recover it by entering Recovery Mode and restoring a previous version of iOS. Instructions can be found at https://support.apple.com/HT201263.

StoreKit
Resolved Issues
Resolved an issue where APIs which provide Transaction values would unexpectedly fail when the purchase price of the transaction is a very large number. (118883880)

🔖↓https://developer.apple.com/documentation/ios-ipados-release-notes/ios-ipados-17_3-release-notes

iOS & iPadOS 17.3 Beta Release Notes | Apple Developer Documentation Update your apps to use new features, and test your apps against API changes. from APPLE DEVELOPER DOCUMENTATION