Specific method: 1. Open the phone and find the software wps. 2. Click to enter and find a new document. Click a blank document. Enter the text you want, and then click the red circle. Click on the center sign above the red circle again. Then click bold again. WPS Office is an office software suite independently developed by Beijing Jinshan Office Software Co., Ltd., which can realize the most commonly used functions of office software, such as text, form, presentation, PDF reading and so on. It has the advantages of low memory occupation, fast running speed, many functions in the cloud, strong support of plug-in platform, free online storage space and document templates.