How to Open Sandbox Apple Account Sign-In on iOS 27
Open the Sandbox Apple Account sign-in form in iOS 27 Developer settings to prepare for In-App Purchase testing.
Step 1
Open Settings from the Home Screen
Before you begin: An unlocked iPhone running iOS 27, paired with Xcode, with Developer Mode enabled and Developer visible in Settings.
Find and tap the Settings app on your Home Screen. Its icon looks like a gray gear.
Step 2
Open Developer in Settings
In Settings, scroll down and tap Developer.
Step 3
Open Sandbox Apple Account Sign-In
Scroll to Sandbox Apple Account and tap Sign In.
Step 4
Open the Sandbox sign-in form
This opens the Apple Account sign-in form from the Sandbox Apple Account section. Use a Sandbox account created in App Store Connect when you are ready to authenticate.
Reference
By ProgramGuru
Published: 2026-10-14
Updated: 2026-10-14
Instructions reviewed against Apple documentation on 2026-10-14.