how to change the default SIM for sending SMS in iphone 11
Santosh273
User level: Level 1 (7 points)
User level: Level 1 (7 points)How to change default SIM for sending SMS in iphone 11
Posted on Oct 19, 2026 10:52 PM
1 reply
Ingo2711
User level: Level 10 (93,009 points)
User level: Level 10 (93,009 points)Oct 19, 2026 11:42 PM in response to Santosh273
If you are using Dual SIM on your iPhone, you will have to switch the lines manually in Settings/Cellular.
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- If you start an SMS/MMS Messages conversation using one line, you can’t switch the conversation to your other line; you need to delete the conversation and start a new conversation using the other line. Also, you may incur additional charges if you send SMS/MMS attachments on the line that’s not selected for cellular data.
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copied from: Use Dual SIM on iPhone - Apple Support
Originally posted at discussions.apple.com/thread/256379376