Changing Cscart Favicon In Google Search

Dear Members,
Good day!
I changed the favicon on the Themes using these steps ( cscart 4.8 and when I do request reindex this page at to change the favicon in google for mobile view, the favicon doesn't change I tried many times for 2 months here is how it looks( google-search.jpg ) and it keeps showing like this. (google-search-2.jpg).
anyone can help!?