What's new with Shake Rewards? Boost Support Follow Enjoy up to 10% cashback every time you Top Up your mobile credit. Simply shake your phone when you see the red banner below. Topping up has never been this rewarding! Offer valid for limited time only. So, hurry and Top up now! Related articles I shook my phone but I did not get a reward, why is this so? How do I get free Boost Credits by using my friend's Invite Code? What kind of personal information do you store?` Comments 0 comments Please sign in to leave a comment.