\Prestashop_dir\admin99999\import\

to this directory... I can upload - with ftp client like FileZilla - a csv, as well as images eg in case wanted to replace images?

So if upload images must be same name as the url inside the csv(rows) import done from admin panel before?

http---s3-eu-west-1.amazonaws.com/prestashop-tttttt/ffffff/99999999/D1020001.jpg  

THIS WAS THE STYLE OF URL OF IMAGE IN PRODUCT ROW...IN CSV IMPORT... HOW I CAN REPLACE THIS?? what name the image and where drag it with filezilla ?

reason replace --- WAS 500px x 400px  now 750px x ... with differ watermark...