Depending on your plan, your SIM connects to NTT Docomo or SoftBank networks. Supported bands:
[NTT Docomo network]
4G / LTE: Band 1 (2.1GHz), Band 3 (1.8GHz), Band 19 (800MHz), Band 21 (1.5GHz), Band 28 (700MHz), Band 42 (3.5GHz)
3G / W-CDMA: Band 1 (2.1GHz), Band 6 (800MHz), Band 19 (800MHz) *3G service will end on March 31, 2026.
[SoftBank network]
4G / LTE: Band 1 (2.1GHz), Band 3 (1.8GHz), Band 8 (900MHz), Band 41 (2.5GHz)
3G / W-CDMA: Band 1 (2.1GHz), Band 8 (900MHz)
[KDDI (au) network]
4G / LTE: Band 1, 3, 11, 18/26, 28, 41, 42
5G (depending on plan): n28, n3, n41, n78, n77, n257
Make sure your device is SIM-free or unlocked and compatible with the bands listed above.
