Can't receive SMS - How can I change my SMSC (Short Message service center)

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Can't receive SMS - How can I change my SMSC (Short Message service center)

I can receive and make phone calls, I can receive SMS but I can't send SMS.

After a lot of research online, I'm almost certain the problem is my SMSC number. I've seen some guides that suggest calling *#5005*7672*# but upon trying that on my phone I get this error message: "Error performing request. Unknown Error".

I've tried restarting the phone, resetting to factory settings, removing the SIM, resetting network settings, turning off and on again iMessages and Airplane Mode and nothing works. I've even contacted apple support that told me to talk to the carrier. The carrier told me they can't do anything else.

Any help with this please?

iPhone X

Posted on May 16, 2019 4:51 AM

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Answer 1

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RupaTorres Author

Level 1

10 points

May 16, 2019 5:29 AM in response to RupaTorres

Okay, I just fixed it. I've put my SIM card on the Google Pixel 3, manually changed the SMSC number and sent an SMS from there (which worked). After switching the SIM back to my iPhone X I was able to send SMS.

Note to Apple: Please allow people to change the SMSC number as I've seen a LOT of people having the same issues.

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Answer 2

sergekills

Level 7

33,329 points

May 16, 2019 4:54 AM in response to RupaTorres

It's odd that you carrier doesn't help you to resolve your issue. SMS is a carrier feature, so they are responsible for it, not Apple.

What if you replace the SIM card?

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Answer 3

RupaTorres Author

Level 1

10 points

May 16, 2019 5:11 AM in response to sergekills

I've tried another SIM that was working fine on a Pixel 3 and once I've put it on my phone it stopped sending SMS.

That's why I believe the SMSC number on my phone is incorrect but I can't find a way to actually manually change it.

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Can't receive SMS - How can I change my SMSC (Short Message service center)

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