In the Hive, Android, the latest version
gamertag:enderman7720
As I submitted the report last time, the hat is unavailable and these screenshots are proof of that.
I hope you will make it available again.
From what we can see, you are playing on a different account from the one you have submitted a bug report from.
The account you submitted the bug report from (Kazuking6873) has the hat, but the account you mentioned in your report does not (enderman7720), and from what I can see, never redeemed it.