Iphone6 Plus Login micro-letter Prompt "Your Apple ID or password is incorrect" solution

The incorrect effect of your Apple ID or password is as follows (refer to the following only)

Solutions

Note: micro-mail deletion will have some problems is your micro-mail chat record will be lost, so you must back up our micro-letter record in advance OH.

The first step: delete the current phone micro-trust program,
Step two: Use the current Apple ID to go to the Apple App Store to download the phone's micro-mail application again
Step three: Login phone micro-letter

Summary: Because the problem is that our micro-mail is not installed in the App Store download, so the above method is to delete the micro-letter and then log in again.