How do I access my iPhone 6s without an iCloud account?
I forget my icloud account when I reset my phone it iphone 6s
[Re-Titled by Moderator]
iPhone SE (3rd generation)
I believe you are referring to Activation Lock on your iPhone. If you forgot your Apple Account credentials, the other option is to provide Apple with the original proof of purchase receipt.
Start your request here: https://al-support.apple.com/#/additional-support