The issue happens because Google/Apple Pay uses a simplified checkout flow, which doesn't trigger your custom shipping options.

How to Fix

1. Check plugin compatibility with Google/Apple Pay.
2. You may need a custom code to make your custom shipping options work.
3. Try disabling other plugins to identify conflicts.
4. Alternatively, use a different payment gateway that supports your shipping methods. You’re not stuck with default shipping—adjustments are needed for compatibility with Google/Apple Pay.

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