Free $5 Amazon credit when you send a $50 Amazon Gift Card by text

It first said the coupon has been saved to my account when I clicked the link. But when I check out 50 egift card sent by text message with SMS2020 applied, it said "The promotional code you entered cannot be applied to your purchase." any help would be appreciated.

what is Amazon Gift Card by text? Is it egift card //@Anonymous: YMMV //@Anonymous: Did everything following the instruction but didn't see $5 showing up on my account after 1 hour of gift card redemption.

"An email notification will also be sent within three (3) days after the gift card is sent by text message, confirming your Amazon.com Promotional Credit." //@Anonymous: Did everything following the instruction but didn't see $5 showing up on my account after 1 hour of gift card redemption.

YMMV //@Anonymous: Did everything following the instruction but didn't see $5 showing up on my account after 1 hour of gift card redemption.

Did everything following the instruction but didn't see $5 showing up on my account after 1 hour of gift card redemption.

Unfortunately, you are not eligible for this offer.

Qualified for 1/2 of my accounts :)