Step-by-Step Guide to Book DET Exam with Voucher Code

Once you purchase the DET Voucher Code from Abroad Cube, the next step will be to redeem it on the Duolingo English Test website and be ready to start the exam. Once you redeem the Voucher Code on the DET website, you will have a standard 21-day window to start the exam at any time. In this guide, we will learn to redeem the Voucher Code on the DET website and subsequently receive the Test Result in 24 hours instead of the general 48 hours, complimentary as a benefit of the exclusive partnership between Abroad Cube and Duolingo English Test.

Before You Start: Get Your DET Voucher Code — Make sure you already have your voucher code from Abroad Cube. If you haven't collected it yet, place an order for the DET Exam Voucher or message our team on WhatsApp and we'll issue one to you instantly.

Steps to Redeem DET Exam Voucher Code

Here is the Step-by-Step Guide to redeeming the Duolingo English Test Voucher and receiving your result in 24 hours, complimentary!

1. Open Duolingo English Test (DET)  website. Click on Sign Up if are first-time user or Login.

2. Enter your Email address and Password. Click on Next or Simply Login via Google.

3. On your DET Dashboard, click on "My Account" in the bottom left and Choose Settings.

4. In Sponsor Section, Click on "ADD INVITE CODE".

5. In the Invite Code field, add our Code - 1ZP6YE6N (Same for all users) and Click on "ADD SPONSOR".

6. Enter your First and Last Name as per Passport and Click on Continue

7. Come back to DET Dashboard by Clicking on "MY TESTS" from sidebar. Click on "BUY NOW" button

8. Choose the number of test between One and Two. Click on Continue.

Note: Your Abroad Cube voucher covers one test attempt only. If you select "Two," the cost of the second test will not be covered by your voucher and will be charged separately at checkout.

9. Here you will get an Option to receive your Faster Results in 24 hours for FREE. Without our Invite Code, you will get standard result in 48 hours.

10. Click on "Apply Coupon Code" and enter the Voucher Code received on your Whatsapp Number and Email address from Abroad Cube. 

Common Mistakes to Avoid When Redeeming Your DET Voucher

Here are the Common Mistakes test takers generally encounter with complete resolutions. 

Mixing up the two codes — The invite code (1ZP6YE6N) goes in the Sponsor section (Step 5) to unlock free 24-hour results. Your unique voucher code (sent via WhatsApp/email) goes in the Apply Coupon Code box (Step 10) to pay for the test. Entering one in place of the other is the most common mistake.

Forgetting to click "ADD SPONSOR" after entering the invite code in Step 5 — the sponsor won't be linked and you'll miss the free 24-hour result upgrade.

Name mismatch with passport — Entering a nickname, missing a middle name, or reversing first/last name order can cause identity verification issues on test day. Always enter your name exactly as it appears on your passport.

Selecting "Two" tests in Step 8 — Your voucher covers only one test. Choosing "Two" adds a separate charge for the second test.

Redeeming before receiving the code — Only enter the voucher code once you've actually received it from Abroad Cube via WhatsApp or email.

Reusing an already-redeemed code — Each voucher code is valid for a single use. If it's already been applied once, it won't work again.

Letting the 21-day window lapse — The window to start your exam begins right after redemption, not after purchase. Redeem only when you're ready to schedule.

What to Do If Your DET Voucher Code Is Not Working

If your voucher code isn't being accepted, try the following before reaching out:

1. Check the field — Make sure the voucher code is entered in the "Apply Coupon Code" box at checkout (Step 10), not the Sponsor/Invite Code field (Step 5).
2. Check for typos — Copy-paste the code directly from the WhatsApp message or email to avoid mixing up characters like 0/O or 1/I.
3. Confirm it hasn't been used already — Voucher codes are single-use. If you've redeemed it before on another account or browser session, it won't work a second time.
4. Check for extra spaces — Sometimes a stray space gets copied along with the code; retype it manually if needed.

If the code still doesn't work after these checks, contact Abroad Cube support directly on WhatsApp or call +91 98779-83783, and our team will resolve it for you.

How to Get Your DET Results Within 24 Hours for Free

Normally, Duolingo English Test results take up to 48 hours to arrive. As part of Abroad Cube's exclusive partnership with DET, adding our invite code (1ZP6YE6N) as your sponsor in Step 5 automatically upgrades you to 24-hour results at no extra cost. There's nothing separate to buy or activate — simply complete Steps 3–5 correctly, and the faster result timeline applies automatically once you book your test.

Important Things to Note

• Valid for all nationalities — Our DET voucher works for students of any nationality; there are no country restrictions on redemption.
• One voucher = one test — Each voucher code covers a single test attempt. Selecting a second test at checkout will incur an additional charge not covered by the voucher.
• 21-day exam window — Once redeemed, you have 21 days to schedule and start your test. This window starts from redemption, not from your original purchase date.
• Two different codes, two different purposes — The invite code (1ZP6YE6N) is the same for every user and unlocks free 24-hour results. The voucher code is unique to your purchase and covers the test cost — don't confuse the two.
• Name must match your passport — Enter your name exactly as it appears on your passport to avoid identity verification issues on test day.
• Single-use codes — Voucher codes cannot be reused once redeemed.
• Need help? — If you hit any issue during redemption, reach out on WhatsApp or call us — we're happy to help you get sorted quickly.

Source: The information mentioned above was collected and verified by our Counselling and Exam Experts of Abroad Cube in partnership with Duolingo English Test on 16 August 2026.