step 1: open and log in to wechat APP, click the magnifying glass icon, enter: wechat invoice assistant in the search bar, and click to enter the page of wechat invoice assistant. Step 2: In the WeChat invoice assistant page, click "Invoice", select the cooperative merchant, and click "Allow" to enter the related applet page. Step 3: Click the corresponding invoice on the relevant applet page, click Send to E-mail, and follow the prompts on the page. Users who have not added the invoice header need to click "Add Invoice Header" on the WeChat invoice assistant page, enter the name, tax number, company address, telephone number, bank, bank account number and other information, and then click "Save". As of March 23rd, 2121, WeChat Invoice Assistant supports issuing electronic invoices from China Unicom, JD.COM, ETC Assistant and Didi Chuxing. Other merchants may access WeChat Invoice Assistant later, so users need to wait patiently. The operation of issuing invoices for Tencent's business is as follows: Step 1: Open Tencent's customer service, enter "Invoice" in the input field, and click "Click here" to enter the page on how to apply for invoices. Step 2: Click' Click here' in the page on how to apply for an invoice, and enter the invoice amount, payment account, order number, invoice header name and other information according to the page prompts, and wait for Tencent customer service to handle it.

payment security

payment password setting process

Open WeChat, click Me-Open Wallet-Select Bank Card-Click Add Bank Card, fill in the bank card related information according to the prompts, enter the mobile phone verification code, set the WeChat payment password and enter the password again to confirm, then the WeChat payment password function can be opened.

gesture password setting process

open wechat, click me in the lower right corner-open wallet-click on the upper right corner-select payment management-click gesture payment. According to the prompt, enter the wechat payment password to open it. After opening, you need to use the gesture password to enter the "wallet" function to help protect the "wallet" from being used by others.

fingerprint payment opening process

open wechat, click me in the lower right corner-open wallet-click on the upper right corner-select payment management-click on the right switch of fingerprint payment, and enter the wechat payment password to open the wechat fingerprint payment function.

wechat voice lock

open the process

open wechat, click me in the lower right corner-open settings-enter account and security-click voice lock. According to the prompt, press the button on the screen to read eight digits, and the system will recognize it twice before opening the voice lock function.

operating environment: mobile phone: Xiaomi 8se wechat: 8.1.13