The ZTE MC801A is a powerful 5G CPE, but many of its most useful features—like band locking, cell locking, and advanced antenna configurations—are often restricted by carrier-specific firmware (such as those from Three UK).
Increasingly, carriers like Telstra (Australia) and T-Mobile (USA) disable the hidden menu in their custom firmware versions. Signs of a blocked menu include: zte mc801a hidden menu
Official Manual: For basic settings, refer to the official ZTE MC801A support page. If you'd like to proceed, let me know: The ZTE MC801A is a powerful 5G CPE,
Manual DNS: Override your ISP's DNS to use Google (8.8.8.8) or Cloudflare (1.1.1.1) for faster page loading and better privacy. ⚠️ Important Troubleshooting Review: Ability to see the signal strength of