How to remove theme from Nokia 3250?

1) connect your phone via data cable
2) Choose data transfer mode ( You should be offline after that
3) Go to My computer , Tools , Folder Option , View
4) Ensure that "Show Hidden Files and Folder" is ticked
5) Now back to My computer, look for your extra drive, for instance "Mcard (L"
6) Look for 'Private' Folder
7) Check the folder one by one to locate your theme , for instance "L:\Private\10207114\import\8e9a297a3e75d1ac"
8) Detele the folder 8e9a297a3e75d1ac ONLY
9) Done : )

و السموحة على الشرح باللغة الإنجليزية لعدم الدراية الكافية لبعض المصطلحات باللغة العربية