Dont know how to change file permissions on Jailbroken iDevice? Hope this will help.

[Epilogue]

Note: You need a Jailbroken iDevice with iFile app from Cydia.

Step 1. Open iFile, and navigate to the directory of the file you want to set permissions to.




Step 2. Click on blue arrow pointing to right.

Step 3. Scroll down until you see Access Permissions menu.




Step 4. Tap to change permissions.

This is an example of what 777 permissions should look like.




Common permissions:

644
User: Read, Write
Group: Read
World: Read

755
User: Read, Write, Execute
Group: Read, Execute
World: Read, Execute

775
User: Read, Write, Execute
Group: Read, Write, Execute
World: Read, Execute

777
User: Read, Write, Execute
Group: Read, Write, Execute
World: Read, Write, Execute

Hope this helped.