The 12306 root certificate cannot be installed to the Xiaomi phone

12306 uses a cer certificate, and Android can be used, but you have to unpack it first.

To install a certificate from your phone's memory device, do the following:

Copy the certificate or keystore from your computer to the root of your device's memory device (that is, don't copy it to a folder).

From the Home screen or All apps screen, touch Settings .

Go to Personal > Security > Credential Store > Install from Storage Device.

Touch the file name of the certificate or keystore to install it. Only certificates that you have not yet installed are displayed.

Enter the password for your keystore when prompted, and then touch OK.

Enter a name for the certificate, and then touch OK.

Typically, the CA certificate that comes with the client certificate is installed at the same time. You can also install a separate CA certificate by following the same steps.

If you haven't already set up a pattern, PIN, or password for your device, you'll be prompted to do so. Your system administrator may predetermine the acceptable types of lockouts.

You can now use the installed certificate when connecting to a secure network, or use it for client authentication for Email, Browser, and third-party apps. Once the certificate is successfully installed, the system deletes the copy from the storage device.

Important: For apps that support certificates, such as Email and Browser, you can install certificates directly from within the app. For more information, refer to the help information or other instructions that come with each app.

Hi! It is recommended that you install it in the Xiaomi App Store.,Mine is installed normally.。

Dear Lenovo users, hello!

The A500 is an Android smartphone and does not have a browser certificate installed like a computer.

After you log in to the 12306 official website, the box to install the root certificate will automatically pop up, and you can install it. It has nothing to do with the computer brand.

After opening, as shown in the figure below, the certificate is not trusted, we only need to set the trust.

Click on the certificate that is not trusted in the figure above, as shown in the figure below, and then click on the option to trust in the certificate In the trust option: when using this certificate, select Always trust. The other options below will change together.

Then close the window above, it will pop up for you to enter your password, you enter it and then click Update Settings.

Then it's ready to go.

If there is a prompt of "illegal request" or something, just set it again.

Mac Install 12306 Root Certificate Steps:

3. Add a certificate.

4. After completing the previous steps, use Safari to open the official website of 12306. Follow the instructions in the following figure to trust the installed root certificate. Click "Show Certificates".

5. Pop up the following ** prompt.

6. Select "Always trust" from the option on the right side of the "When using this certificate" item.

7. At this time, exit the safari browser and enter the 12306 official website to book tickets normally.

This varies from browser to browser, and My Firefox is only available for confirmed special events

After many people upgrade the system, the IE11 browser that comes with the system will fail to import the 12306 digital certificate, and some will prompt that the certificate is successfully imported, but the official website of the train ticket will still prompt that the digital certificate is not installed. This solution is very simple, just use the computer clinic in the computer manager to repair it.

Then find the Internet abnormality, there will be a link to grab a train ticket below, click!! ”

Then you will see the window of the train ticket** certificate error, and you can see the Fix Now button by moving the mouse up. Click!!

Then PC Manager will automatically fix the function, and restart the browser after the repair is successful!

12306 Root certificate cannot be installed solution is (win7):

Search for "Services" in the "Start" corner in the bottom left corner (or open the "Control Panel Systems and Security Management Tools Service.")"),Find the HDZB comm service for this service inside,Turn it on,Then install the root certificate,It's OK。

If the same problem can't be solved, you can look at the online banking clients (CCB, China Merchants Bank, Agricultural Bank, etc.), or other programs that need to use certificates, and open the services added when they are installed, so as to further solve the problem that the 12306 root certificate cannot be installed.

Sometimes, it can be analyzed and found that the 12306 root certificate cannot be installed is mainly on 64-bit systems.

12306 Root Certificate Cannot Be Installed Operation Workaround: Open the Control Panel System and Security Management Tools Service"),Find the HDZB comm service for this service inside,Turn it on,Then install the root certificate,It's OK。

Therefore, according to some of the 12306 root certificate that you have encountered cannot be installed, to solve this problem, if there is no way to solve this problem, you can also dial 12306**.