SHENZHEN I/O GB gift card
Only works on accounts and stores in the United Kingdom.
How to redeem
Steps and terms from the card's issuer.
Login to your steam account, click on your account name → account details → add funds to your steam wallet → redeem a steam wallet code
- Log in to your Steam account.
- Click on your account name in the top-right corner and select Account Details.
- Click on Add Funds to Your Steam Wallet.
- Select Redeem a Steam Wallet Code.