download from trusted forums: LinuxSat-Support, OpenATV, Vu-Community, or TK (TechKings) . Look for backups with posted MD5 checksums and positive user comments.
Before flashing any backup, make your own full backup of your current working setup via the VTi or OpenATF backup menu. Keep it safe on your PC. vu solo 4k backup images
Completely switch off the Solo 4K using the power switch at the rear. Insert USB: Keep it safe on your PC
A clean flash takes 10 minutes. Manually restoring settings can take 2–3 hours. A good backup reduces that to under 10 minutes. Manually restoring settings can take 2–3 hours
A "Full Backup" creates a complete clone of your system that can be flashed back like a fresh image. On VTI Images
When using a backup image from a different user, always check if the tuner configurations (FBC tuners) match your specific LNB setup to avoid "Tune Failed" errors. VU Plus