The file management folder in the phone is hidden and can only be opened in the reader. How can I open the e-book in the document management...

The file management and e-book folder in the phone was hidden and could only be opened in the reader. How can I open the e-book in the document management? If the file management e-book folder in the phone is hidden, you need to set the hidden files and folder in the phone. The specific operation method is as follows: 1 Open the phone's file manager, select the "Other" option, and then select "Setting". 2 In the settings window, choose "Show hidden files and folder". 3 If there is an e-book folder in the phone, it may be displayed. Choose this folder and then choose "Open" or "View". 4. You can find the hidden e-book folder in the file manager and open it. 5 Find the e-book files in the folder and try to open them to see the contents. If you still can't find the e-book folder, you can try using other file managers or search tools to find it. If the e-book can't be opened in the reader, you can try opening it in other applications. For example, you can open an e-book in a browser or open an e-book in a reading application. Please note that if there is malicious software or virus in the phone, it may cause problems with file management. In this case, it was best to back up important data and restore the factory settings or seek professional help.