Japan has a locked iphone6, so you can't send text messages.

Japan's locked iphone6 can't send short messages, which is generally a network failure. You can set it as follows:

1, open the SMS settings and find the information center in the SMS settings.

2. After opening, check the number of the information center. If it is not a string number of +86, you can enter +86 13800***500 in the number field of the information center and click OK. The specific format is as follows:

3. Click resend on the failure message, and after modifying the correct information center number, the message can be sent immediately.