If anyone is wondering how to change the CHMOD on InfinityFree:
FileZilla
After connecting to FTP, right-click on the folder and select the “File permissions…” option.
Then, you can select all boxes or type in 777.
Click on OK to confirm.
File Manager
On the File Manager, right-click the folder (or click the arrow button) and select CHMOD.
Then, you can check all checkboxes or type-in 777 and click on OK to confirm.