Unlock

See if you can recover the ID/password.

Apple ID - How to find your Apple    An iCloud e-mail address is an Apple ID.

Apple ID - Find              

Enter the Apple (iCloud) ID and click Forgot Password.

Apple ID - Manage            

Apple ID – Forgot Password            

If your iOS device is activation locked,

Use If you forgot your Apple ID password https://support.apple.com/en-us/HT201487 to recovery this credential.

If you cannot recover it, then it is unlikely that the device will be of any use to you. In this regard, 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.” 

So, if you cannot recover your Apple ID password, you will not be able to solve your problem. Still you can try by using the support options below. Be ready to provide any additional information to Apple you think may be pertinent to solving your problem (e.g., your original purchase receipt with the serial number of the device on it--If

you have this document post back for more information).

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.

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Also see If you forgot the passcode for your iPhone, iPad, or iPod touch, or your device is disabled  https://support.apple.com/en-us/HT204306 See these sections especially Remove your passcode andGet more help. 

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