Note that many ZTE ONTs are managed directly by the ISP, which pushes updates automatically. If your unit is consistently hot, contact your provider and ask if a newer, more stable firmware version is available. 2. Physical Maintenance (Reduce External Heat)
Are you looking to like bridge mode, or are you trying to fix a specific bug ? ZTE Technical Support Website User Manual zte f670y firmware hot
Users usually have limited access to change deep firmware settings to prevent network instability. Note that many ZTE ONTs are managed directly