Keitai Tools is a python tool for extracting valid DoJa files from a variety of phone file systems.
  - Download [[https://github.com/memory-hunter/keitai-tools|keitai-tools]] from GitHub
  - Copy the top level java folder into the keitai-tools project. NOTE: This folder has different names on different devices including "java," "javaap," and "LIST" Choose the lowest possible folder that still contains all java apps in subfolders.
  - Use the following command, changing the name of the folder based on the phone that you have 
<code>python kttools.py top_folder_directory</code>

Example:
For F-03B, the top folder directory is "Java"
<code>python kttools.py Java</code>