How to retrieve your UID and server:
Open Zenless Zone Zero on your device;
Your UID is displayed in the bottom right corner of the main screen;
Your server is determined automatically based on your UID.
How to redeem:
Open the Zenless Zone Zero top up page;
Choose the currency package;
Select a payment method;
Enter your UID and select your Server;
Complete the payment;
Wait for the currency to appear in your account;
If missing, restart the game to refresh your balance.