forgot security question

See If you forgot the answers to your Apple ID security questions https://support.apple.com/en-us/HT201485

You have been unable to answer your security question satisfactorily. So see Security and your Apple ID https://support.apple.com/en-us/HT201303

This document says “without proof of your identity via security questions and other carefully selected criteria, Apple Support can't help you reset a password or perform any other actions on your account.”

Thus, given Apple's notification, we can do nothing to help you, except to mention that Apple support might help you if you have an extenuating circumstance (e.g., you have your receipt for your purchase of a pertinent device from an authorized Apple seller with its serial number on it). If you want to contact Apple Support to discuss any possible extenuating circumstance, see the support options below. Alternatively, if an Apple Store is open in your area, then you can go there to deal with your extenuating circumstance. You also can make a genius-bar appointment (https://www.apple.com/retail/geniusbar/) if you want.

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 support option.

Menglongkeo Said:

"Dear apple support: I remember password but i don't remember answers of security question. What should i do? Best regard, Menglong"

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Contact Apple Support:

We are not Apple. This is a User-to-User forum. So, what you need to do is contact Apple Support, and see if you can reset this information over-the-phone. Once reset, store the answers in a private location that only your are knowledgeable of any only your have access to.

Here is the information you need.

Apple Phone Support:

• Contact Us - Choose Locations
• Proceed from there as Necessary