Regarding cellular phones, the <u>electronic serial number (ESN)</u> is a code used to reset a forgotten pin.
An electronic serial number (ESN) is the distinctive identification number that the manufacturer embeds or inscribes on the wireless phone's microchip.
The ESN is automatically sent to the base station each time a call is placed so that the mobile switching office of the wireless carrier can verify the legitimacy of the call. In the field, the ESN cannot be easily changed.
The mobile identification number (MIN), which is used by wireless carriers to identify phones on their network, is different from the ESN.
To aid in preventing fraud, MINs and ESNs can be electronically checked.
Regarding cellular phones, the personal unlocking code (PUK) is a code used to reset a forgotten pin.
<h3>What is personal unlocking code?</h3>
A lost or forgotten personal identification number can be reset in SIM cards using a personal unblocking key, also known as a personal unblocking code.
PIN protection is a function that is available on most mobile phones.
GSM mobile phones utilize a Personal Unblocking Key, sometimes referred to as a PIN Unlocked Key (PUK) or Personal Unlock Code (PUC) (phones with a SIM card).
The majority of cell phones have personal identification number (PIN) security.
A PIN code, which is originally set to "0000," serves as a straightforward password for your Air SIM.
If the incorrect PIN code is entered three times, a gadget will be locked for security.
A PUK (Personal Unlocking Key) or PUC (Personal Unblocking Code) will be required once a device has been locked in order to open it.
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