Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Chris <ithinkiam@gmail.com>
Newsgroups: misc.phone.mobile.iphone
Subject: imessage stops working after change of SIM
Date: Fri, 9 Aug 2024 13:04:31 +0100
Organization: A noiseless patient Spider
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Message-ID: <v950kg$ncqp$1@dont-email.me>
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A family member transfered to a new mobile provider with a new SIM, with 
the number ported over, and has now lost the ability to send imessages. 
All messages come as SMS and green bubbles. This makes group chats 
impossible.

What's gone wrong and how to fix please?