there a tool to test usb sticks/sdcards https://fightflashfraud.wordpress.com/2008/11/24/h2testw-gold-standard-in-detecting-fake-capacity-flash/ h2testw is a M$-Windows tool, but at the end of the article there is the linux tool "F3" with the same tests. sudo dnf install f3 or sudo dnf search f3: " f3.x86_64 : Utility to test for fake flash drives and cards" more to read: https://fight-flash-fraud.readthedocs.io/en/stable/ Attention: ======== take care to NOT overwrite your data !!! I never used f3 so far, always did it with h2testw, so I can't say how and what ! _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx