1, the problem of coding mode. Open a TXT file at will and select option settings. It has a coding method at the bottom. Changing this point will solve the problem of white screen garbled code.

2. Memory problems. Transfer the contents of an e-book file to another file. If it is open, but it can't be opened, it means that the memory is not big enough.

3. Enter the settings after entering the ebook. There is a selection code in it. Just click select.

4. After deleting the book, you can read it normally by downloading it again.