Copy the downloaded skin .zip file into the ux folder on your SD card. Ensure you have only one major skin active at a time to avoid conflicts.
Open the save folder and find sys.txt (or create one in the root). Add these lines to force the skin selection: skin igo primo 2.4 wince 800x480
"Out of Memory" error. Solution: WinCE devices often have only 64MB or 128MB of RAM. Skin files like GJA are large. Delete unused voice files or maps to free up memory. Use a "Lite" version of the skin. Copy the downloaded skin