Maybe samsung email id matters or another email id matter. Try login with same id which you used to buy coupons.....maybe then coupon work....or contact samsung india.
Are you select edge lighting effect?( change none to your favorite effect )If yes...then message on your mobile from another mobile then check screen turn on or not.
Check your device supports transition effects or not... follow these steps >>1. Touch and hold on an empty space on the Home screen.2. Touch Home screen settings.3. Touch Transition effect.4. Touch Card stack or 3D rotation.If you find transition eff...