Navigate to > System > About Device > System Update .
Once the installation finishes, the screen will display an "Install from USB complete" message. Select from the top of the menu. Note that the first boot after a firmware flash can take anywhere from 5 to 10 minutes as the system initializes new configuration files. Troubleshooting Common Flashing Errors
Select . If a new version is available, the device will pull it directly from the secure ISP repositories. Method B: Manual Stock & Custom ROM Downloads
Go to Settings > System Update > Local Update (or similar option) and select the file on the USB drive. Where to Find "New" Firmware in 2026
Upgrades underlying components so newer streaming apps run without crashing.
Plug the USB drive into the USB port of the ZTE ZXV10 B760HS3.