Mobile and desktop apps that bring Bing’s search, discovery, and personalization features to users across devices.Search from Apps - The ability to create a query for information directly within applications, enhancing productivity and efficiency.
Hello, good day and thanks for your question. Sorry to know about this and I understand that you encountered an issue when trying to redeem a reward.
From the Bing app on your phone, use it to scan the QR code and the link would be a blank page and then check if you will be able to copy the link and paste it into a inPrivate or Incognito mode browsing window and check if it would open thus enabling it to complete the verification.
If you will still encounter an issue, you may submit a ticket via https://rewards.bing.com/support for this to get checked internally by the rewards team. Response times may vary due to workload or other tasks at hand, but rest assured that they will review your case and let you know on the outcome.