SIM card pin Management

 

Add: http://blog.chinaunix.net/u3/102827/showart_2045521.html

1. Sim

Card

Pin

Code Management Overview

And

Sim

The passwords related to card password management are:

Pin

,

Pin2

,

Puk

,

Puk2

. The initial password is

Sim

Card suppliers.

1.1

Pin

Code

(

That is

Pin1 code

)

Yes

Sim

The password of the card. The original password is

1234

. If the input is incorrect three times, you must use

Puk

Unlock code,

Puk

The error code is provided by the carrier.

Sim

Card burned. When

Pin

When the code is enabled, you need to use

Pin

Pair

Sim

Card unlock.

1.2

Pin2 code

It is used when mobile phone billing is set. If you enter three errors, you need to use

Puk2 code

Unlock. Currently, China Mobile and China Unicom do not provide this support, even if

Pin2

The password lock will not affect the normal use of the mobile phone.

 

The following content only applies

Pin

No.

Pin2 code

.

2. evdo

Password Management

At

Command (the following tests are performed in xxxx

<Block specific product information> pass the test)

2.1

Enable

Sim

Card

Pin

Code

(SIM

The lock is not enabled.

)

At + clck = "SC", 1, "$ pin"

(

Punctuation marks are all English Punctuation Marks, and quotation marks cannot be omitted,

$ Pin

Yes current

Pin

Code, the same below

)

If the execution is successful, return

OK

Otherwise, an error message is returned.

2.2

Disable

Sim

Card

Pin

Code

(SIM

Card lock Enabled

)

At + clck = "SC", 0, "$ pin"

If the execution is successful, return

OK

Otherwise, an error message is returned.

2.3

Query

Pin

Activation status

At + clck = "SC", 2

Executed successfully,

Return

+ Clck: 0 pin

Not activated,

Return

+ Clck: 1 pin

Not activated,

An error code is returned when execution fails.

2.4

Query

Sim

Lock status

At + cpin?

Execution successful

Return

+ Cpin: Ready

Sim

Unlocked

Return

+ Cpin: SIM
Pin

Sim

Card needs

Pin

Unlock code

Return

+ Cpin: SIM
Puk

Sim

Card needs

Puk

Unlock code (

Pin

The Code has been locked)

Error Code returned when execution fails

2.5pin

Code verification (Use

Pin

Unlock code

Sim

Card)

At + cpin = "$ pin"

Return if execution is successful

OK

Otherwise, an error code is returned.

2.6

Modify

Pin

Code

(Only when enabled

Pin

Valid after code)

At + CPWD = "SC", "$ oldpin", "$ newpin"

Return if execution is successful

OK

Otherwise, an error code is returned.

2.7

Use

Puk

Unlock code

Pin

Code

(When

Pin

Incorrect code input

3

After,

Pin

The code is locked and can only be passed through

Puk

Unlock code)

At + cpin = "$ Puk", "$ newpin"

($ Puk

Is

Sim

Card

Puk

Code, provided by a carrier,

$ Newpin

New

Pin

Code, can be associated with the original

Pin

Different codes

)

Return if execution is successful

OK

Otherwise, an error code is returned.

2.8

Query the number of valid passwords

(Initial

Pin

Code:

3

Times,

Puk

Code:

10

Times. If an error is entered, the value is reduced.

1

, When the input is correct, this value restores the initial value)

At ^ cpin?

When

Sim

No lock timing on the card (including

Pin

Code is not enabled, and

Pin

Code enabled, but already used

Pin

Unlock code)

Return

^ Cpin: Ready, 10, 3, 10, 3

The four numbers are,

Puk

Code,

Pin

Code,

Puk2 code

,

Pin2 code

(But only

Pin

Indicates the number of valid codes)

When

Sim

Lock timing

Return

^ Cpin: SIM pin, 3, 10, 3

The first

3

Representative

Pin

Number of valid Codes

When

Pin

Code Lock timing

Returns ^ cpin: SIM Puk, 9, 3

First

9

Representative

Puk

Number of valid Codes

3. Forget
PIN code, which can be used
At + cpin = puk1, 2222, enter the new PIN code, 2222.