[HOW-TO]: Transfer Winterboard Themes Directly to iPhone Without Using Cydia

STEP 1: Download DiskAid for Mac or Win. You can connect your iOS devices using the USB.

STEP 2: By default, you can only see the below screen (without the iPhone Root folder)

STEP 3: Download and install "afc2add" from Cydia

STEP 4: Launch DiskAid again and you will see the "Root Folder" of your iPhone.

STEP 5: You can browse and install the Winterboard Themes which might have downloaded and Copy to the Root --> Library --> Themes