The gold standard for Black Hole and VTI images. They have dedicated sub-forums for the Solo2 where users share "clean" backups.
If you prefer a lightweight, stable UK-style build, this is the place. They provide "Couch Flashing" links directly through the box menu. vu solo2 backup image link
Renowned for its user-friendly EPG and simple backup/restore managers. How to Flash a Backup Image via USB The gold standard for Black Hole and VTI images
Since "official" backup links change frequently as hobbyist groups update their builds, this guide explains where to find the best images and how to create your own (which is always safer than using a stranger’s link). Where to Find Vu+ Solo2 Backup Image Links stable UK-style build
Unzip the backup. You should see a folder named vuplus containing a subfolder named solo2 .