However, I've been told that Japanese cellphones work only on certain frequencies. This is what is written on the website for this phone:
2G Network : GSM GPRS EDGE 850, 900, 1800, 1900 MHz
4G Network : LTE 800, 1500, 1800, 2100 Mhz
CDMA2000 Network : 800. 2100 Mhz
Should I be ok?