How to Verify Cellular Network Band Support on Your Smartphone

Step by step

1. 1 min

   Locate your exact device model number

   On iPhone, navigate to Settings > General > About and tap the Model Number field to reveal the alphanumeric code (e.g., A3084). On Android, open Settings > About Phone and identify the Model Name or Model Number string.

   Note: The model number is critical as regional variants of the same phone often support different band sets.
2. 1 min

   Access the manufacturer's technical specifications

   Search for your specific model number on the official manufacturer support page. Navigate to the Specifications or Connectivity section to find a comprehensive table listing supported LTE and 5G bands, often denoted by 'n' for 5G (e.g., n77) and numbers for LTE (e.g., B12).

   Note: Third-party databases like FrequencyCheck offer easier-to-read lists, but always verify against the manufacturer's official documentation.
3. 1 min

   Cross-reference bands with your network provider

   Visit your carrier's network map or support documentation to identify the primary frequency bands they utilize in your coverage area. Ensure your device includes the 'core' bands for your carrier, particularly low-band spectrum for long-range coverage and mid-band for capacity.

   Note: Carriers frequently update their band deployments; check their latest coverage documentation.
4. 1 min

   Check hardware certification via FCC ID

   For North American devices, locate the FCC ID printed on the device or found in Settings > General > Legal & Regulatory. Input this ID into the FCC Equipment Authorization Search tool to view the official documentation and test reports detailing every frequency band the hardware is certified to operate on.

   Note: Hardware may be physically capable of a band but software-locked by the carrier or manufacturer.
5. 30 sec

   Confirm active connection details

   On Android, dial *#0011# or use a NetMonster application to view the current band the phone is actively using. iOS users can access the Field Test menu by dialing *3001#12345#* and navigating to Serving Cell Info to view the current Earfcn or NR-ARFCN, which can be converted to identify the active band.

   Note: Field Test menus are advanced; avoid changing settings here to prevent network disconnection.