Why does my Apple phone always have to verify the "apple id"?

Iphone6 phones always need to verify that the Apple ID is caused by not using the Apple ID for a long time.

Need tools: iphone6 mobile phone

Specific operation steps:

1. Unlock iphone6 to the home screen page, find and open the settings.

2. After entering the settings, select the functions of Apple ID, iCloud, iTunes and App Store.

3. Go to the personal account page of Apple ID and select iTunes Store and App Store to enter.

4. Click on your Apple ID and select Logout in the system pop-up window.

5. After successfully logging out, under the pages of iTunes Store and App Store, select Login at the top.

6. After manually entering your own Apple ID account and password, select Login.

7. Successfully logging in Apple ID to iTunes Store and App Store can solve the problem that iphone6 phones always need to verify Apple ID.