Is there an expiry date on the Cashback? Yoodo Care October 14, 2020 08:15 Updated The Cashback must be utilized by 30 December 2020. Any unutilized Cashback shall be forfeited. Related articles What can I do with the Cashback amount in my Boost wallet? What is the duration of the campaign? What is the Boost x Yoodo Cashback Campaign? What app/services/websites cannot be accessed using the free 1GB? Where will my Cashback be credited? Comments 0 comments Please sign in to leave a comment.