Device: iPhone 13 OS Version: iOS 26.4, iOS 26.5
Summary: The Settings app crashes when accessing the Sandbox account management screen in Developer Settings while the device is offline.
Steps to Reproduce:
- Enable Developer Mode on the device
- Disconnect from the internet (Wi-Fi and cellular off)
- Go to Settings → Developer
- Ensure a Sandbox account is signed in
- Tap on "Sandbox"
- Tap on "Manage"
Expected Result: The system should either:
- Open the Sandbox management screen, or
- Show an error indicating no internet connection
Actual Result: The Settings app crashes immediately after tapping "Manage".
Reproducibility: Always (100%) when offline
Additional Notes:
- Issue observed on iOS 26.4 and iOS 26.5
- Does not occur on iOS 18
- May also be present in other iOS 26.x versions
- Does not occur when the device has an active internet connection