He could use his phone to write novels and upload them to online platforms such as Qidian Chinese Network. However, using a mobile phone to write a novel required some skills and experience in order to write a good novel. Some common questions include: - Text input problem: Writing on a phone requires typing on the keyboard, which may take some time. You can use some input tools such as a Condenser Pen or a virtual keyboard to assist in typing. - Typography issues: Difficult typography on the phone screen may cause reading difficulties. You need to adjust the text size, alignment, etc. to make it easier to read. - Chapter update problem: Writing on the phone requires manual chapter updates, which may take some time and effort. You can use some automatic update tools such as in-app purchases or cloud services to automatically update your novel. If one wanted to use a mobile phone to write a novel, one needed to be proficient in text input and typography skills, and one needed to have enough time and energy to update the novel. The online platform also provided tools and features to make it easier to write novels and upload them to the Internet.