Apple id password
Why is my apple id password always wrong when i put my password in
This may be your problem, an updating settings problem. Apple is aware of the problem.
Note that some have solved the problem by signing out of iCloud, restarting their devices, and signing back in.
I suggest you use my search link (update apple id settings) in trying to solve your problem. . You will see a number of links that are related to your problem. But, note that I have not seen a definitive solution for it.
If you want to contact Apple Support to deal with your problem, see:
Get a call from Apple support to help solve your problem using this link https://getsupport.apple.com/?caller=kbase&PGF=PGF63005&category_id=SC0245&symptom_id=23362
Apple ID Support https://support.apple.com/apple-id
Apple ID account security for country-specific and region-specific help https://support.apple.com/en-us/HT204169
Get Support: We’re here to help https://getsupport.apple.com/. Go through the options to find the best one.