Dear customer, thank you for reaching out to A+ Rewards and we understand your concern with ZUS Coffee voucher redemption.
Your might have run into error while redeeming your ZUS Coffee like below:
Allow us to provide you the corrected steps:
1. Download ZUS Coffee app via Google Play Store or App Store
2. Sign up for an account or login to an existing account
3. Select "Top Up using Gift Voucher". Key in your 10-digit voucher code and click "Top up Now"
4. The value will then be added to your ZUS Balance, you can check the Top-Up detail through "ZUS Balance">>"Transaction History"
5. Checkout any items with your ZUS Balance .
It should work with the above steps! If you still need further assistance, please provide screenshots of the latest error encountered, and we will make further inquiries.