Originally Posted by hawhill
(-_-): You need a terminal window and you'll have to use the shell. Switch to the path where the k3flasher binary is stored. Make sure it can be executed: "chmod +x k3flasher". Make a backup of the current state of your device, no matter if it is broken. Call the backup script in order to do so: "sh k3-backup.sh", or better, dpavlin's included Perl script: "perl k3flasher-incremental-backup.pl". Then use k3flasher to write a clean rootfs, kernel or bootloader (depending on what is broken).
That is EXCELLENT advice for all.