1. First register and log in to Huifu Nebula Pay to activate it. Scan the "Xingyun Pay" QR code on WeChat to enter the registration interface.

2. Next, upload the front and back of the ID card and other information according to the prompts. Submit after verification, and the mini program code will appear. Long press the interface to identify the applet, allow access to the location, click mine, authorize login, and perform face authentication.

3. Finally, click on the limit increase authentication on the main interface of the mini program (face recognition is required first), and authenticate any credit card in your name to increase the transaction limit.