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How to load file on Skybox f3/f4/f5
download zip file and copy TP_PROG.dbs file from zip folder in usb stick connect usb stick to the box press menu from remote and then select update by usb from tools menu
select Misc file from upgrade Mode and press select & Upgrade
select TP_PROG.dbs and press yellow button from remote
when file load is finished press exit and restart your box