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Tab S7 (SM-T875) showing my phone number as “unknown”

(Topic created on: 14-12-2023 04:48 PM)
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RiaT-55
Explorer
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On my device, when I check the phone number through Settings > About Phone > it says…. phone number unknown

There is no option to edit this, nor can I find anything in the system menu to add the phone number.

It is a new sim card, the provider is Lebara.

I used to have a Tesco sim card, which always showed "own phone number".

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SereneH
Moderator
Moderator
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Hey, @RiaT-55

 

This error commonly occurs when you transfer the number you were using on your old device over to your current device.

 

Your Samsung device reads the number originally assigned to the SIM card and if you are no longer using that number (such as when you've ported over your old number to use with the new SIM card) your device will no longer know what number you are using. Your device in this case will list your current number as 'unknown' rather than incorrectly present the number originally assigned to the SIM card.

 

This information cannot currently be amended due to how the Android operating system registers a number to the device upon first use. Rest assured that it has no effect on your device's functionality.

 

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brettz
Navigator
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You can't register for RCS with unknown phone number
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