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. After the PUK code is entered, the PIN must be reset. 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. ![]() That’s how you secure a SIM card on Kazuna eTalk. Then close the metal cover to secure the SIM card. Make sure the gold contacts are facing down. You can do this by lifting the little metal cover. ![]() Most mobile phones offer the feature of PIN protection. Take out the battery by lifting the bottom edge with your fingernails.
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