I’m testing In-App Purchases in the sandbox on a real iPhone. Auto-renewable subscriptions work correctly with the same app build, bundle ID, and sandbox tester account: com.aifalling.sides.vip.monthly com.aifalling.sides.vip.yearly However, a non-consumable product can’t be purchased: Product ID: com.aifalling.sides.vip.onetime App Store Connect IAP Apple ID: 6794812888 Type: Non-Consumable Status: Ready to Submit Bundle ID: com.aifalling.sides The native StoreKit payment request fails immediately with: The purchase identifier was invalid. The wrapper reports error code 700605. I verified the non-consumable product through the App Store Connect API: Product ID exists and is returned by the API One localization exists: zh-Hans A price schedule is configured, including a base territory and prices Availability includes China (CHN) and many other territories availableInNewTerritories is true I waited more than one hour after the latest metadata changes I completely removed the app, rebuilt/reinstalled the custom development build, and retried The same signed build can successfully purchase the two auto-renewable subscriptions This is the first non-consumable IAP type for this app. The app and IAPs have not been submitted for App Review yet because I’m trying to complete sandbox testing first. Does a non-consumable IAP require any additional App Store Connect setup or association that an auto-renewable subscription doesn’t require for sandbox testing? Is Ready to Submit sufficient for sandbox testing of a non-consumable product in this situation? Any guidance would be appreciated.