A safety function obtainable on Android units permits the consumer to guard the Subscriber Identification Module (SIM) card with a private identification quantity (PIN). This mechanism requires the proper PIN to be entered every time the machine is powered on or the SIM card is inserted into a brand new machine. An incorrect PIN entered a number of instances will render the SIM card unusable, requiring a PUK (Private Unblocking Key) code to unlock it.
This function is essential for safeguarding delicate data saved on the SIM, akin to contact particulars and authentication information. Activating this layer of safety considerably reduces the danger of unauthorized entry to mobile providers and private information within the occasion of machine loss or theft. Traditionally, this safety measure has been a typical providing throughout cellular working programs, offering a fundamental however efficient protection towards unauthorized utilization of a cellular subscription.