If you have a second working B760HS3 from the same operator, you can create a full backup using dd over ADB (requires root – advanced users only).
: Many users find updated files via the ZTE ZXV10 B760HS3 Firmware Google Drive or community-shared MediaFire links found in video descriptions. zte zxv10 b760hs3 firmware download link
Before hunting for a download link, you must understand what the B760HS3 actually is. Unlike a retail Android TV box (e.g., NVIDIA Shield or Xiaomi Mi Box), the ZTE B760HS3 is an . If you have a second working B760HS3 from