Xiaomi 1 1, Android 12, MIUI 12.5, wechat 8.0, Steam 3.0.

1. Open the Steam App in your phone.

2. Enter the code scanning payment interface and use the screenshot function.

3. Open the WeChat App in your mobile phone.

4. Enter the "Discovery" interface and click "Sweep".

5. Click "Saved Pictures".

6. Select the screenshot of scanning code payment and click "OK".

7. Click "Pay Now" to complete the payment.