Activation of Imessage SMS failed.

There may be many reasons for the unsuccessful activation of 1.iMessage. The following are some main reasons: network problems iMessage communicates through the Internet. When the network is unstable and the signal is weak, the activation of iMessage will be unsuccessful.

2. If the problem cannot be solved after restarting, you can try to turn off the wireless network and activate the iMessage information service directly with the mobile phone network. If activation through wireless network or mobile network is unsuccessful, you can also try to restore the network settings of iPhone at this time.

3. Unable to activate imessage information may be caused by wrong settings. Users are advised to reset it. Specifically, open the phone settings, open the information on the system settings page, and find the imessage option after entering the information settings page. You can turn it off and try again.

4. Maybe the time zone is set incorrectly: The wrong time zone setting will lead to abnormal activation of imessage. Go to Settings, General, Date and Time and check whether the difference is correct. If not, reset it.

5. The unsuccessful activation of 5.iMessage may be caused by network problems, which can be solved by restoring network settings. The specific operation steps are as follows: first, open the phone and click Settings. As shown in the figure below, and then go to the next step. Secondly, after completing the above steps, click General Options in the Settings window.

6. The solution to the 6.imessage activation error is as follows: Check the network connection. When activating iMessage, please make sure that the iPhone has successfully connected to the cellular mobile data or WiFi network, and the network remains normal. When airplane mode is turned on and airplane mode is turned off, iPhone will not be able to connect to WiFi network or cellular mobile data.