The steps to delete Huawei's mobile phone WeChat browsing history are as follows: 1. Open the mobile phone and enter the mobile browser; 2. Find and click the menu icon in the upper right corner in the browser interface; 3. Select the setting option in the menu interface and open it; 4. Select privacy and security options in the setting interface; 5. Selecting Clear History in the Privacy and Security interface will delete all previous browsing history data; 6. Select OK in the pop-up dialog box.