Japanese version of iphone6plus can receive short messages but cannot send them. Why? If there is a phone bill, you can also open the traffic.

Just change the number of the SMS center to the correct number. The SMS center is set on the dial, directly enter *5005*7672* SMS center number # and press dial. Ask the local wireless operator for the number of the SMS center, or there may be something wrong with the card sticker. My roommate's lock is exactly the same as yours. I changed his center number and things got better.

1, in case of jailbreak, replace the Japanese operator's superimposed file with the domestic operator's file and search the path.

2. Those who haven't escaped from 8.2 or below can be directly replaced by the ipcc vulnerability tool, which can be downloaded in china3gpp.com.

Go directly to china3gpp.com to download the LTE assistant, and just brush it.