Unlock-zlt-p21.bin: Download File

: Navigate to System Settings > Management (or Advanced Settings ) and look for the Restore Backup or Update option.

: Ensure the file matches your specific hardware version (e.g., Version 1 vs. newer models), as flashing the wrong version can brick the device. Download File unlock-ZLT-P21.bin

: Connect your computer or phone to the

via LAN or Wi-Fi. Log in to the web-based management page (typically 192.168.254.254 or 192.168.8.1 ). : Navigate to System Settings > Management (or

: Some versions can be unlocked without files using a "14-14-14 seconds" reset trick performed on the physical reset button. Version 1 vs. newer models)