Mobile phone knowledge understanding, mobile phone password knowledge introduction

If you want to say that it is cheap, it must be Xia Xin. But the quality is not too hard. Sollove within 2,000 W958 is a good UIQ operating system.

The memory is also very large for smartphones. But there was no elephant head. Nokia's N70 is currently the most cost-effective.

The stability of its S60 operating system is better than that of Soai and Dopod. The compatibility is also a lot stronger. Think for yourself.

Xia Xin'N6'Windows Mobile system'Inch screen'Inch screen'2 million phase prime' support memory card', but does not support hot-swappable'GPS navigation', now about 2000 yuan, "I like this machine very much", I think it is a strong domestic machine, "the workmanship is also good".

I don't recommend Soai's smartphone'

Nokia6120C, E51, 5700XM, E65, Sony Ericsson M608, W958, Xiaxin E78, E850, E860, Lenovo ET600, ET600E, Dopod C720, C730, D600

If it is recommended, it is recommended that Nokia N70, N72, E51, 6120C can be, and there is no problem with the quality and S60 operating system. The key is to see what you like. Also, if you want to buy parallel goods cheaply.

See for details.

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The mobile phone password is used to prevent the mobile phone from being stolen, after the "Confidentiality Setting" - "Boot Password" - "Mobile Phone Password" is turned on, the mobile phone needs to be entered when the mobile phone is turned on to use, that is, this password is the lock of the mobile phone itself. The default value of a general mobile phone password is 1234 or 0000

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PIN 1 code is provided by ** business, used for SIM card confidentiality personal identification number (PersonalIdentificationNumber), in the "Confidentiality Setting" - "Boot Password" - "PIN" after turning on this function, the mobile phone needs to enter the PIN 1 code when it is turned on to use, that is, this password is the lock of the SIM card. The default value is 1234. If the mobile phone password and PIN 1 code are used at the same time, enter the PIN 1 code first, and then enter the mobile phone password.

The pin1 code will be locked after 3 incorrect inputs, and you need to use puk1 to unlock it.

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The puk1 code is the unlock code of the pin1 code provided by the ** business, which is an irregular string of numbers in the head of the gods. If PUK1 is mistyped ten times, the SIM card will be permanently locked and you will have to replace the SIM card.

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Pin2 code is another password of the SIM card provided by the ** business, which is used to limit the personal identification code of dialing and other functions, mainly used to eliminate call charge data, set the billing currency and billing unit of the call fee, limit the cost function, and limit the dialing ("Confidentiality Setting" - Limit the number of dialing stop numbers" is turned on, and the mobile phone can only dial the number set in the draft and is not available). Mine'The default value of the SIM card of the mobile phone is that the code will be locked after 3 incorrect inputs, and it needs to be unlocked with PUK2.

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The PUK2 code is an unlock code of the PIN 2 code provided by the ** business, which is a string of irregular numbers. If the PUK2 is mistyped ten times, the SIM card will also be permanently locked, so you have to replace the SIM card.

Note: Pin1, Pin2, Puk1, Puk2 codes can be queried at **Merchant, and Pin1 and Pin2 can also be modified by themselves (the original password should be known).

Card unlock code

It is mainly used to unlock the "Lock SIM Card" function, and in order to prevent unknown SIM cards from using the phone without permission, you can turn on the "Lock SIM Card" ("Secret Setting" - Lock SIM Card) function. In this way, if the SIM card in the phone is not allowed, you will have to enter the unlock code as prompted when turning it on. The default value is 00000000