What should I pay attention to when setting a service password?

Do not set a simple (weak) service password, do not set it to some number groups that have rules, are commonly used in life, and are often disclosed, such as , unit**, ID number, birthday number, home number, etc.

2.Do not disclose your service password to anyone else.

3.Change the service password regularly or irregularly.

4.Do not use IE's "Save Password" feature on a public computer.

5.If you suspect that your service password has been stolen, change your password immediately.

6.To prevent others from using your logged in computer and identity to handle business, please click the "Exit" button in the login window in time after handling business. 7.Please keep the user card that came with the mobile phone number you selected.

With your personal service password, you can check your mobile phone call charges, print detailed phone bills, and handle mobile phone loss reporting, stop and other services. A2 SIM cards have two PIN codes: PIN 1 and PIN 2.

We usually talk about pin1 code. It is the password of the SIM card and is used to protect the security of the SIM card. The pin2 code is also the password of the SIM card, but it is related to the billing of the network and the modification of the internal information of the SIM card, so China Mobile does not disclose the pin2 code to customers.

The "billing" function on the mobile phone is used to cooperate with the network to complete the relevant billing functions, so the pin2 code is confidential. Ordinary customers don't need to pay attention to the pin2 code. Even if the pin2 code is locked, it will not affect the normal call of the mobile phone.

The initial state of the mobile phone PIN 1 code and PIN 2 code is off. The A3 PIN code is the password of your SIM card to prevent others from stealing your SIM card. When you activate the PIN, you add a password to the SIM card.

This SIM password doesn't matter which phone you're using. When you insert the SIM card into any mobile phone, every time you turn on the power of the mobile phone, the mobile phone screen will prompt you to enter the PIN code; If you enter the wrong PIN (SIM PIN) three times in a row, the SIM card in your phone will be automatically locked. The initial PIN code is 1234.

You can choose to change the PIN code (to enable or modify the PIN code, you need to set it up on your mobile phone, please refer to the mobile phone instruction manual for specific operations).

1.Do not set simple passwords, such as ** number, ID number, birthday number, etc.

2.Don't disclose your service password to others.

3.Change the service password in a timely manner.

4.Do not use IE's "Save Password" feature.

5.Exit in a timely manner after handling business.

6.Keep the user card in a safe place.

1. Don't set things such as your birthday, ** number, etc., so that people who know you will break it as soon as it is broken.

The most secure password is:

Special symbols + English letters + numbers, so if you break it with a violent tool, it will be broken for at least a month.

Don't set ID numbers: Because credit cards and ID cards are kept together for a long time, theft and loss often happen together. Therefore, in addition to keeping the two as separate as possible, the password should never be set to.

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You know the original service password.

In this case, you can change the service password through the following channels:

Log in to the online business hall, click "Business Handling", "Other Business", "Service Password Setting", "Password Change", click "Apply Now" and enter the original password and new password to complete the password modification;

You can text "401" or "MMXG old password, new password, new password" to 10010 to change the password of the secret service for free.

In addition to the above methods, you can also use the local number to dial the local 10010 or go to the local business office to change the service password.

If you have forgotten your password, you can reset it through the following channels:

Log in to the online business hall and click on the Forgot Password page to follow the prompts;

After logging in to the login page of China Unicom APP client, click Forgot Password, enter the mobile phone number and verification code and press Next, then your mobile phone will receive a 6-digit SMS password, enter the SMS password, new password, verification code and other information, and then press Next to reset the service password;

Use a random password to log in to the online business hall, click "Business Handling" "Other Business" "Service Password Settings" "Password Reset" on the home page, click "Apply Now" and operate according to the prompts;

Send the free SMS command "MMCZ 6-digit new password" to 10010.

In addition to the above methods, you can also call the local 10010 or go to the local office to reset your password.

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If you need to set a service password, it is recommended that you reset the service password through the following channels:

1. You can enter the online business hall of China Unicom.

Click on the login page to forget your password, and follow the prompts to be stupid;

2. After entering the login page of the mobile phone business hall, click on the forgotten password, enter the mobile phone number and verification code to accompany the next step, then your mobile phone will receive a 6-digit SMS password, enter the SMS password, new password, verification code and other information, and then press the next step to reset the service password;

3. Send the free SMS command "MMCZ 6-digit new password" to 10010.

In addition to the above methods, you can also call 10010 or go to the Unicom business office in the home location to reset the password.

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You can reset your password through the following channels:

1.You can enter the online business hall.

Click Forgot Password on the login page and follow the prompts.

2.You can enter the login page of China Unicom APP, click on the forgotten password, enter the phone number and verification code and press Next, then your mobile phone will receive a 6-digit SMS password, enter the SMS password, new password, verification code and other information, and then press Next to reset the service password;

3.Log in to the online business hall with a random password.

On the home page, click "Business Handling", "Other Business", "Service Password Setting", "Password Reset", click "Handle Now" and follow the prompts.

4.Send the free short morning letter instruction "MMCZ 6-digit new password" to 10010.

In addition to the above methods, you can also call the local 10010 or go to the local office to reset your password.

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If you have forgotten your service password, you can reset your password through the following channels:

1.You can enter the online business hall.

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Click Forgot Password on the login page and follow the prompts.

2.After entering the login page of the mobile phone business hall, click forgot password, enter the mobile phone number and verification code and press Next, then your mobile phone will receive a 6-digit SMS password, enter the SMS password, new password, verification code and other information, and then press Next to reset the service password;

3.Use the random password to log in to the online business hall.

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On the home page, click "Business Office", "Other Business", "Service Password Setting", "Password Reset", click "Apply Now", and then operate according to the prompts;

4.Send the free SMS command "MMCZ 6-digit new password" to 10010.

In addition to the above methods, you can also call Unicom 10010 or go to Unicom's own business office to reset the password.

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If you need to change the service password, it is recommended that you reset the service password through the following channels:

1. You can enter the online business hall of China Unicom.

Click Forgot Password on the login page and follow the prompts.

2. After entering the login page of the mobile phone business hall, click on the forgotten password, enter the mobile phone number and verification code and press Next, then your mobile phone will receive a 6-digit SMS password, enter the SMS password, new password, verification code and other information, and then press Next to reset the service password;

3. Send the free SMS command "MMCZ 6-digit new password" to the book to burn 10010.

In addition to the above square circle method, you can also call the home 10010 or go to the home Unicom business office to reset the password.

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