Hello! It sounds like you're ready to cash in on your rewards at Jack in the Box. That's great! Let me guide you through the process on your iPhone.

1. Open the Jack in the Box App: Make sure you have the app installed. If you don’t have it yet, you can download it from the App Store here.

2. Log In: Open the app and log in to your account. If you’re having trouble logging in, let me know.

3. Start an Order: Begin placing your order by selecting the menu item you want.

4. Add to Bag: Once you’ve chosen your item, add it to your bag.

5. Redeem Your Reward: In your bag, you should see a section for your rewards. Look for the reward you’d like to use, tap on it, and then select "Redeem." You may need to swipe through your available offers if you don’t see it right away.

6. Checkout: After redeeming, proceed to checkout and finalize your order.

If you need further assistance or if something isn’t working as expected, please let me know! Are you satisfied with the solution I provided?