Smartphones have both mobile phones and computers.So, if you look at the specifications, you can't compare with the jargon ...In this corner, we will gently explain such smartphone -related terms.This time is about "PIN code".
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PIN (Personal Identification Number) code is a number to identify individuals.For mobile phones/smartphones, they have played a role in preventing unauthorized use by third parties, such as theft.Unauthorized use can be prevented by encouraging input when inserting a SIM card into the terminal or when the power is turned on.
The passcode required when the smartphone returns from the lock/sleep state is also a kind of PIN code.However, smartphones require user authentication as an OS function, such as returning from rock/sleep or starting system update, so it is managed separately from the PIN code that has existed since the feature phone era.
The PIN code that has existed since the feature phone era is called "SIM PIN" in the sense of a PIN set in the SIM card (sometimes called "PIN code").If you set SIM PIN, it will help prevent fraud because you will encourage you to input SIM PIN when restarting the system or replacing the SIM card.Since it is different from the PIN code (passcode) used in the OS function mentioned above, it is useful to prevent unauthorized use such as being transferred to another terminal and communicating without permission.
If you make a mistake in the PIN code input three times (depending on the telecommunications company), the line will be locked and you will not be able to call/data communication.For the locked SIM card, you must enter the Pin lock unlock code and unlock it.It depends on the communication company, but if you look at the back of the case where the SIM card contained, or access the telecommunications company's website (NTT DOCOMO "My docomo" or SoftBank "My SoftBank), PIN Lock Code Code.You can check.
The PIN code (SIM PIN) set in the SIM is locked when you input three times and cannot be communicated unless you enter the PIN unlock code. |
