| Error Message | Likely Cause | Solution | |---------------|--------------|----------| | E: footer is wrong | Corrupt ZIP file | Re-download the package; verify checksum. | | E: failed to verify whole-file signature | Device has secure boot enabled; package not signed by DTEN | Only use official DTEN support packages. | | assert failed: dten.update_verify("D7") | Wrong model | Download the package for your exact model (D7 vs ME vs ON). | | E: cannot read /mnt/usb/... | USB drive not FAT32 | Reformat drive or try a different USB port. | | Stuck at 47% for >20 minutes | NAND flash wear or partition mismatch | Force power cycle (unplug 30 sec). Restart recovery. If repeated, contact RMA. |
…I can give more specific, actionable steps. Full-upgrade-package-dten.zip
: If the "Upload Package" button is missing in your settings, you can manually place the .zip in the [webroot]/App_Data/Upgrade/ folder. | Error Message | Likely Cause | Solution
For devices enrolled in Device Management (MDM) or the DTEN Orbit console: | | E: cannot read /mnt/usb/