Before starting, download your current configuration file via System Tools > Configuration File so you can restore settings if needed. How to Upgrade the Firmware Method 1: The Web Interface (Recommended)
Use your administrator credentials (e.g., telecomadmin / admintelecom or root / admin ). Navigate to Upgrade: Go to System Tools (or More Functions ). Select Firmware Upgrade (or Manage Updates ). Upload File: Hg8245q Firmware Upgrade
| | Details | |------------------------|-----------------------------------------------------------------------------| | Stable power supply | Power outage during upgrade = bricked device. Use UPS. | | Ethernet connection | Do not upgrade over Wi-Fi. | | TFTP/HTTP server | Required for manual upgrade (e.g., Tftpd64, HFS). | | Backup config | Save backupsettings.conf from web interface. | | Serial console (optional) | For unbricking – requires USB-to-TTL adapter (3.3V, 115200 baud). | Select Firmware Upgrade (or Manage Updates )