Mobile phone users are therefore advised by most providers to keep their PUK written down in a safe place separate from the device. If the wrong PUK is entered ten times in a row, the SIM card will become permanently blocked and unrecoverable, requiring a replacement. Most mobile phones offer the feature of PIN protection. After the PUK code is entered, the PIN must be reset. A personal unblocking key ( PUK ), sometimes called personal unblocking code ( PUC ), is used in SIM cards to reset a personal identification number (PIN) that has been lost or forgotten. It can be unlocked by entering the PUK code provided by the mobile service provider, which may be available on the SIM card's packaging, the contract, or provided by customer service after identity verification. If the wrong PIN is entered more than three times, the SIM card will become locked. Without this, functions such as phone calls (except for emergency calls), text messages and mobile data will not be available. After switching on the phone, if the PIN security function is active, the user is required to enter a 4-8 digit PIN to unlock the SIM card and connect to the mobile network.

JSTOR ( July 2010) ( Learn how and when to remove this template message)Ī personal unblocking key ( PUK), sometimes called personal unblocking code ( PUC), is used in SIM cards to reset a personal identification number (PIN) that has been lost or forgotten.

Unsourced material may be challenged and removed.įind sources: 'Personal unblocking key' – news Please help improve this article by adding citations to reliable sources. From the SIM CARD LOCK section, tap the phone number. From a Home screen, swipe up from the middle to display all apps. If you insert the wrong PIN code three times on your Android smartphone, either when starting the device or when trying to change or remove the SIM PIN, your SIM card becomes PUK-locked.This article needs additional citations for verification. If the incorrect PIN code is entered too many times, refer to My Verizon Website - Locate the SIM PIN / PUK to obtain a new PIN Unblocking Key (PUK). It is sometimes also called a PUC - personal unblocking code.

First things first: What is a PUK code and where can you find it? If you do not know your Android version, read How to check the Android version on your smartphone or tablet. The procedures are similar on all Android-powered devices, so you should be good to go even if you have a smartphone from Samsung, Huawei, OnePlus, or some other manufacturer. NOTE: For this tutorial, we used an ASUS ZenFone Max Pro device running Android 9 Pie.

Did you have any issues unlocking your Android smartphone?.

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How to use the PUK code to unlock your Android's SIM card Here are the codes 7101: Haunter 7102: Machoke 7103: Gurdurr 7104: Phantump.

First things first: What is a PUK code and where can you find it?.

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