Why is it necessary to set a PIN code on the SIM card?
Today, setting a PIN code on a SIM card is rare, but in the days of push-button phones, it was very popular. Although the PIN code had to be entered only after the phone was restarted, it was used as a form of protection.
Nowadays, it is very inconvenient to enter a four-digit code in the age of fingerprint scanner or face opening (https://t.me/gsmgurus_FAQ/1042) technologies. Also, why do you need more protection when the device itself asks for a password?
In fact, there is a good reason to set a PIN code on a SIM card. The fact is that even if you lose your phone and a password is set on the screen, you can still use it by inserting your SIM card into another device.
Typically, your number will be linked to various messengers (Telegram) and social network profiles, banking applications and other services. With a one-time code sent to your SIM card, for example, you can get Telegram messenger correspondence (if the two-step verification method (https://t.me/gsmgurus_FAQ/810) is not activated).
Of course, in case of loss of the SIM-card, you can contact your operator and block it. However, it is not always possible to do this immediately or the SIM card is detected late.
The PIN code is requested when the phone is turned on again and only three attempts are made to enter it, after which the SIM card is blocked and an eight-digit PUK code is required (see the envelope with the SIM card). shown).
How to activate PIN code on smartphone?
It depends on the device model, but it is easy to find the desired setting:
- Enter the system settings and type the keyword "SIM" in the upper search box. Look for the “SIM card lock” item and activate the icon.
Q: Do you use the SIM card lock feature and do you think this is a necessary feature?
