e260 in dire need of help

i’m looking for help for my fathers’ e260

i start it up and it says it failed to load rockbox. i just reformatted it but still it won’t work. after that message it shuts off. message lasts like 2 sec on screen.

what firmware should i get??

thank you

You need to either reinstall rockbox, or uninstall the rockbox bootloader. Formatting won’t help with that. Reboot into the Sandisk firmware (hold left Iwhile booting), then either install a build of rockbox to the player, or reinstall the sandisk firmware.