When reading a novel on a mobile phone, the records in the SD card would usually be stored in the memory card's buffer folder. The specific name might vary according to the mobile phone brand and model. Some phones would also save the files in a specific folder for quick access when needed. Therefore, if you wanted to check the memory of the novel you read on your phone, you could open the phone's storage manager or access the memory folder through a third-party application. As for the novel records read on the external memory card, they would usually be saved in the root of the memory card. The specific location might vary according to the phone model and application. Some phones might save the files in a specific folder for quick access when needed. Therefore, if you want to check the external memory card's memory records, you can open the corresponding application to check its memory folder.