KD5 firmware update failed

Hi it has failled to update and now i dont have access to the miner

To install firmware on sd card do i need a special program ? or just put the .cpb file on sd card ?
im asking becaus i dont have access to a sd card right now

Download the KD5 Firmware to your computer reset the miner open Goldshell
https://find.goldshell.com/ update from there

Go here
Job done you upload from your download file hope it helps.