What is SMS

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What is SMS

All of a sudden, my iPhone text messaging has become weird. When I try to text certain people, the message won’t go through and the blank area for the next message says “Text Message-SMS.” Other people whom I text receive my messages just fine and the blank area for the next text says “iMessage.” How did some of my messages become SMS? I want all of my messages to be iMessages.

iPhone 13, iOS 18

Posted on Dec 4, 2024 9:53 PM

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Answer 1

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SravanKrA

Community+ 2025

Level 10

430,316 points

Dec 4, 2024 10:31 PM in response to Quidder76

SMS/MMS (Green) -

iPhone to Android: does not require any internet it is sent over cellular voice protocol. Needs to be enabled by your Carrier for the SIM used by you.
iPhone to iPhone: When iMessage is not activated or the device is not connected to the internet either over cellular or WiFi
You need to have an SMS/MMS plan enabled by your carrier for the SIM/eSIM that you use on your device. Apple Inc. does not provide SMS/MMS services.

For more: Activate iMessage and FaceTime using your… - Apple Community

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What is SMS

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