When the Apple phone is activated, it will send a verification code to my other phone.

In the set icloud, just turn off the double authentication inside. But this suggestion is irrelevant, it is to avoid being

Malicious locking of mobile phone

1. You must have any two passwords: password, dynamic password and backup password to pass the two-step authentication, which is the most important.

One of them. For example, if you lose your mobile phone, you must know the backup password in addition to the account password, and even look for it.

Apple can't unlock your account either. If you lose two at the same time, you will be at your own risk. Now, turn on two-step verification.

After that, it takes two steps to log in to Apple ID to modify account information and log in to iCloud. Login?

The detailed steps of iCloud are as follows:

Step one, log in? www.icloud.com？ , enter the account password.

When you click Login, there will be an email notification.

The second step is to confirm that it is my operation, directly ignore the email and continue to operate on the webpage, and choose to use credit equipment or SMS.

Receive dynamic verification code.

Step 3, check the verification code and enter it on the web page to complete the login process.

It should be noted that login to iCloud mailbox and iMessage, FaceTime or iTunes (PC's) on the iOS device.

ITunes does not require two-step authentication. However, when some services for logging in to iCloud on new devices are started, you need to

You will be notified by email if you are authorized by the existing credit facilities.

2. Write the "spare password" on paper.

Apple also reminded us that it is best to write the generated backup password on paper. You can write more handwritten copies, such as office and home.

Put a copy, it is best not to store it on your computer or mobile phone, even if there is no online backup, don't store it locally.

Of course, some people want to say, "If you lose your mobile phone, you have to go home and ask for a note with a spare password. This is really troublesome. 」

In fact, the "backup password" is originally a backup, and it is unnecessary unless it is absolutely necessary. Then there is a correspondence like 1 password.

Is it in use? Apple's official tip is not to save it on any electronic media. The author's suggestion is that you can refer to movies.

Captain America mentioned that "everyone only knows his own task" to keep it highly confidential. Password, dynamic password

Don't keep any two passwords in the same place. You can use the password 1 to save the main account of Apple.

Account number and password, then it's best not to keep the spare password with you.

Turn on two-step verification, and there are five points worth noting.

1. Set a strong master account password.

The password of the main account is also the login password. It is recommended to set it a little more complicated. Don't use birthdays or anything. It should have uppercase and lowercase letters.

Numbers, with at least 8 digits, are similar to Widl6sihL2ih and managed by software such as 1Password.

2. Set a strong screen lock password

If it is a device after 5s, the screen lock password setting is a little more complicated, similar to Adi3sh, which is easier to remember, but you should pay attention to it.

Do not use the same password as the main account. In addition, after the lock screen password is turned on, the device accepts the "dynamic digital password" in two steps.

The view needs to be unlocked first.

It should be noted that even if you use the touch ID, you still need to use the device again after a reboot or 48 hours.

Enter a new screen lock password to unlock and re-enable the touch ID. So the screen lock password should not be too complicated, but it is not.

It can be too simple, and it must be remembered that it is strongly recommended to open a complicated screen lock password. The specific operation is as follows: Enter Settings-

Touch ID and Password-Turn off the simple password option.

3. Close the information preview

This may be my worry. Because by default, if the phone has a lock screen password, the other party will get your account password.

Code, log on to the account management page, and then he can choose to send a "dynamic digital password" (by looking up my iPhone

Network) or SMS. The former needs to be unlocked on the mobile phone, and the latter can see the short message without unlocking.

"Close information preview" is aimed at ordinary users who want to view and reply to short messages conveniently (especially iOS 8 can reply quickly

After), the convenience is gone, and the lock screen state must be unlocked to enter the SMS page to view. But if you open it,

Well, the banner notice at the top of the screen can still be pulled down to view and reply quickly.

The specific operation steps are as follows: Enter Settings-Notification-Information-Close the preview option.

4. Set the PIN code of the SIM card.

This is the advanced version discussed earlier. In extreme cases, even if the screen lock password is set, the information preview is closed.

Browse. The other party can still unplug your mobile phone card and put it on another mobile phone to read the news. It goes without saying that we can let go.

PIN code of SIM card, so that even if you restart (swipe your card) or put in a new mobile phone, the old SIM card is needed.

You need to enter a PIN code to use it. But because domestic operators are playing down the promotion of PIN code, I am useless myself.

Yes.

5. Apply an independent password

In the latest version of iCloud, after starting two-step verification, Apple has supported setting up as many as 25 independent applications.

Use a password. As for the explanation of stand-alone application password, since Apple's related documents are still in English, I refer to them here.

Microsoft? Apply passwords and two-factor authentication? Note: When two-step authentication is enabled, some applications (such as mail on some mobile phones) will not be able to use it.

Applications) or some devices display password errors because they cannot prompt you for a security code when you try to log in.

If you enable two-step authentication and see a password error prompt on an application or device, you will need to obtain and enter a password.

Login requires a password. After logging in with an application password, you will be able to use the application or device. You need to provide

Every application or device that cannot prompt you for a security code will create a new application password and log in with it.