Thank you for your information. I have received info from Unifi mobile team:- We regret to inform that currently, we did not support iMessage for unifi mobile network registered by phone number. The only way you can activate iMessage & FaceTime was registered by email address. This issue as the features is still unsupported at the moment for unifi mobile due to no official collaboration with Apple yet. Which mean that those people only can use the email address instead of unifi mobile number.
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