ftp.ntua.gr:/debian/dists/unstable/main/installer-armhf/20220914/images/u-boot/Firefly-RK3288/ 
Icon  Name                                                                Last modified      Size  
[DIR] Parent Directory                                                                         -   
[   ] Firefly-RK3288.sdcard.img.gz                                        14-Sep-2022 16:44  333K  
[   ] idbloader.img.gz                                                    14-Sep-2022 16:44   33K  
[   ] u-boot.img.gz                                                       14-Sep-2022 16:44  291K
Apache/2.2 Server at debian.noc.ntua.gr Port 80