GNARBOX Selects

Invalid date

Features:
- Use xxHash64 as checksum default
- New Mechanism for updating GNARBOX: Update using SD card with the option to format media partition
Fixes:
- Fix bug where OLED shows "." for external storage devices
- Prevent incorrect SmartBackup setting for copies
- Eliminate edge case that could cause OLED screen to go black
- Avoid checksum failures due to identical files with different file names
- Prevent crash when scrolling past the end of video timeline