Guys i hope u all know that from S60 3rd edition onwards, themes cant be deleted if not shown in Application manager, so i have put a tutorial, how to delete the themes.
Connect ur phone to PC in MASS STORAGE mode or insert the mini sd into card reader
Goto ur memory card root, u should be able to find PRIVATE folder , if not make sure u SHOW HIDDEN files in folder options of ur pc
Find the folder named 10207114
If u want to completely delete all the themes installed in the memory card, Delete all the CONTENTS inside the IMP
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