Numeric characters cannot be entered when the input method is set to input two-byte characters. Please use the single-byte input mode to enter your information.
When you cannot solve your problem by doing so, please try the methods shown below.
- Change the device
- Change the communications environment by turning off Wi-Fi.
- When using a smartphone, change the input mode to keyboard mode
* Please check the recommended system requirements of AirJapan’s website here.