LINE phone number disguise measures that we found out using

・ Confirmation of SIM information of the terminal ・ Confirmation of network connection status ・ Confirmation by illegal examination algorithm

If you pull out the SIM card and send it, it will be not notified

It cannot be re -authenticated unless the phone number is linked

 使ってわかったLINE電話の番号偽装対策

When I inserted the canceled SIM, the phone number was notified and I was able to send it.

The iPhone has a different number from SIM

I was able to notify the number even in the "no SIM" state without the SIM card

If you restart the iPhone without SIM, you will be in a non -notification state

Even in situations where re -authentication is not possible

■ Related site LINE Phone Official Blog

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