In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

To use the Smilebox coupons on their website, you need to meet the conditions:

•  The items you choose must meet all coupon requirements as explained in the Terms and Conditions.

• The coupon has not expired. 

• The seller uses the Smilebox checkout system or a customized checkout system that accepts the coupon.

Normally, Smilebox will make it easy to use online coupons with scannable barcodes, such as 59% off your entire purchase, in-store. ... You can check your Smilebox digital coupons to use In-Store.

Please check out Smilebox's site to be sure that there are available Smilebox coupons for promotions or Customer Service at that time. In case you are chosen to obtain those available coupons, you may receive your coupon by email, or a mailed catalog or postcard.

Our advice for you to use Smilebox Coupon effectively is to choose the right day.
Like thousands of other consumers, the time of promotion is when they choose to
shop at Smilebox, so take advantage of coupons released on those days to save.

Yes. Like all other stores, Smilebox offers a number of Cyber Monday Coupons. Don't forget to check the expiry date before making your purchase.