A new redemption was released after Fu Xuan’s banner was available on September 20, 2023.
1 New Redemption Code for Version 1.3 (Phase 2)
The direct link is finally working for the HSR website! Click on the code for the direct link if you don’t want to copy-paste manually. Make sure to log in with your HoYoverse account.
Here is the official redemption code website: https://hsr.hoyoverse.com/gift?code
But before that, copy the code below (or just tap on the code to automatically fill the prompt box):
Rewards: Stellar Jades x50 & Credits x10000
It is unknown when the redemption codes above will expire (Most probably after the 1.4 update).