The complete patent document can be downloaded from the website of the State Intellectual Property Office. The download method is as follows:
1. Enter the website of the State Intellectual Property Office of China and click "Patent Search and Inquiry";
2. Select "Patent Search and Service System" in the new pop-up page;
3. Enter your username, password and verification code (if you don't have one, you can register one), and click "Patent Search";
4. Select "General Search" in the pop-up page, enter "mobile phone" in the search box (for example), select "Invention Name" below, and then click "Search";
5. Select "View file details" on the search results page;
6. Select "Download document" on the document information page to complete the download.