At this stage, the phone is said to be in the PUK locked state. Locked SIM card means that nobody will be able to make calls via this SIM card nor one can access the contacts saved on it and use of several other features will also be restricted. In case someone tries to access your phone’s data by entering an incorrect SIM PIN code 3-5 times or by any chance if you forget your PIN and you enter incorrect PIN several times then your SIM card will get locked for use. What is PUK Lock? (Personal Unlocking Key/PIN UnlocK Code / PIN Unlock Key) You can also change this PIN code from default PIN to your desired PIN so as to reduce chances of anyone trying the default PIN on your phone with the aim of accessing your phone’s data. Once, you enter this PIN code, you can use the SIM card on phone conveniently without hassles. If you are unaware of the default PIN code of your network provider, you can check it out with the seller who sold you the SIM card or you can even call the customer care of your network provider to resolve your query. When you will insert this SIM card in your phone, you will be prompted to enter the PIN code. Most of the SIM cards come with a pre-set PIN lock done by the manufacturer which you are told at the time of buying the SIM card. For mobile phones, PIN lock can be set-up on SIM cards to prevent the use of your phone by an unwanted user. PIN stands for a personal identification number. In order to understand what is a PUK lock, one must be aware of a PIN lock. Out of these various security features here we will discuss PUK lock and PIN lock. are several security features that have been incorporated in phones and SIM card, depending on the model, to restrict the use of the phone by a person other than the original user/owner of the phone. PIN lock, PUK lock, Pattern lock, Biometrics etc. As far as surfing the phone and its stored data is concerned security features are even more. Thus, it helps in tracking and identifying a phone. IMEI number is a unique mobile identification number, given to each mobile equipment, that helps to trace a phone anywhere in the world. Various models have different ways of ensuring the security of the phone and its data.
There are various models of security that are incorporated in phones right from the beginning since their use started.
Increased use of phones in our day to day life has made the security of phones and its data, very important nowadays.
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