Unable to view or add SMS message Center Number

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Level 1

12 points

Unable to view or add SMS message Center Number

I am experiencing "Error Performing Request Unknown error" error on my iPhone 5s each time I dial *#5005*7672# or **5005*7672*+xxxxxxxxxxxx# .

Handset : Iphone 5s / SW : iOS 12.4 / iOS 12.3

Issue : Unable to send SMS and configure SSMC

When I insert a alternate SIM - Send message - Works however error on dealing *#5005*7672#

Reseted Network settings - Unable to send SMS and error on dealing *#5005*7672#

Master reset - Unable to send SMS and error on dealing *#5005*7672#

Appreciate your advice / Solution

iPhone 5s

Posted on Aug 3, 2019 12:30 AM

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Answer 1

Top-ranking reply

SravanKrA

Community+ 2024

Level 10

413,906 points

Aug 3, 2019 9:19 AM in response to Behura

Update your carrier settings on your iPhone or iPad

Make sure your device is connected to a Wi-Fi or cellular network.
Tap Settings > General > About. If an update is available, you'll see an option to update your carrier settings.

Update your carrier settings on your iPhone or iPad - Apple Support

https://support.apple.com/en-us/HT201270

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Answer 2

Behura Author

Level 1

12 points

Aug 3, 2019 10:34 AM in response to SravanKrA

Country : India

Carrier : Airtel

As suggested Checked the carrier Setting. No Update is available.

Perform a factory reset of hanset from iTunes : Issue remains.

Do let me know if you have any question?

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Answer 3

Behura Author

Level 1

12 points

Aug 3, 2019 10:35 AM in response to SravanKrA

Country : India

Carrier : Airtel

As suggested Checked the carrier Setting. No Update is available.

Perform a factory reset of hanset from iTunes : Issue remains.

Do let me know if you have any question?

Reply

Answer 4

Aug 3, 2019 9:20 AM in response to Behura

Which Country / Which Carrier information may help in providing suitable solution.

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Unable to view or add SMS message Center Number

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