Ios8. 1 iMessage cannot be activated. Always wait for activation and activation errors.

This situation may be caused by activation or setting, network error, and imessage cannot be activated. The solution is as follows:

1, when the mobile phone is in general use, you can activate iMessage by turning on the time and date and then turning on the automatic setting.

Yes

2. Press and hold the home+ power button until a white apple appears on the screen, and then the machine automatically turns on and receives the activation message.

3. When the mobile phone is connected to the WI-FI environment, open-Settings-Phone-Local Number to check whether the local number has its own phone number, and the format is +86 xxx-xxxx-xxxx. If yes, you can click Next directly. If there is none or the prefix is not +86, please fill in.

4. Open-Settings -Facetime to see the video call mode after filling in: the phone column should have the email address (gray) and Apple ID of the local phone filled in before. Then turn on the FACETIME switch and the IMESSAGE switch. At this point, you will be prompted that it is being activated. Press the Home button to return to the background and open Safari. Enter facetime://xxx-xxxx-xxxx(xxx is any phone number;

5.SAFARI will pop up an option to confirm the conversation. Press the FACETIME key, and you will find that you have started dialing FACETIME for the entered phone number. After waiting for about 10 seconds, a prompt will pop up, and the dialed number cannot be used for FACETIME calls. Go to-Settings -Facetime, and you will find that the Facetime switch has been successfully turned on.