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Use Messages on your iPhone, iPad, or iPod touch

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Question: Imessage

iMessage continually switches over to sms texting even when one is on wi-fi and the other is on LTE network.

iPhone 6s Plus, iOS 11.1

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Nov 13, 2017 11:48 AM in response to Yoyoma53 In response to Yoyoma53

Hello and welcome to Apple Support Communities, Yoyoma53.
If I understand your post correctly, your iPhone changes from iMessage to SMS texting depending on whether you or the person you're messaging with is on Wi-Fi or cellular. I'd like to help.
First, make sure that you're iPhone is fully up-to date, including any avaialble carrier updates. This article will show you how: Update the iOS on your iPhone, iPad, or iPod touch
Then make sure that iMessage is set up as shown here: Use iMessage apps on your iPhone, iPad, and iPod touch
Let us know if that resolves this issue for you.
Thanks for using the Apple Support Communities. Take care.

Nov 13, 2017 11:48 AM

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Question: Imessage