A frequent host for MSD6586 dumps and USB upgrade files. Lab-One (Pakistan): Often lists Innova-specific software.
If you'd like, I can help you for your Innova model or explain how to recover a bricked board using a serial console. Download MSD6586 T8E2 3840x2160 Innova rar
Try a smaller USB drive (USB 2.0 is more reliable than 3.0 for flashing). A frequent host for MSD6586 dumps and USB upgrade files