You can confirm your frequency band by the band testing methods below:

For iPhones:

Old Version like iPhone 7:

1. Dial *3001#12345#* (including the stars and pound signs), then press Call button;
2. Click ‘Serving Cell Info’, choose ‘LTE’ if needed before this step;
3. Check ‘Freq Band Indicator’ to check your band;
4. Click ‘Serving Cell Measurements’ to check the ‘Measured RSRP’ as your signal strength.

New Version like iPhone 12:

1. Dial *3001#12345#* (including the stars and pound signs), then press Call button;
2. Choose the right column, click ‘Serving Cell Info’ to check ‘freq_band_ind’, that is your band;
3. And you can click ‘Rach Attempt’ to see your ‘rsrp’, that’s the signal strength.

For Android Phones:

There are some apps on Android, including free LTE Discovery and Network Cell Info Lite  App, here are the method for LTE Discovery:

1. Download and install the app:LTE Discovery;
2. Tap ‘SIGNALS‘;
3. Check band number.

Note: Please make sure that the APP is get access to your location before you get start to test the band.

You can also confirm your operator’s frequency bands by the following websites:

us:https://www.wirelessadvisor.com/
au:https://www.accesscomms.com.au/australian-mobile-telephone-networks/
Worldwide:https://www.frequencycheck.com/countries

If none of the above can be confirmed, please contact our technical support at the first time.