What is iCloud Keychain and how to use it?

ICloid Keychain is a database that records passwords of different accounts under the current device. When using the existing account password for login operation, a keychain will pop up to remind you whether to save the current account password, and it will also remind you when creating a new account password.

The iCloud keychain setting method is as follows:

1, find the settings of the mobile phone and click to enter:

2. Drop down and find "Password and Account", and then click Enter.

3. find iCloud and click.

4. Drop down to find "Keychain" and click.

5. Click the switch on the right to open iCloud keychain.