Login with password and successfully pass 2FA (if you have setup 2FA). It will show you the same locked screen.
Close the tab, go to mbasic.facebook.com again. Once the page is loaded, you need to edit the link in address bar, replace ‘intro’ with ‘stepper’. At the end of the link, replace whatever after the last ‘&’ symbol with ‘phase=unauthenticated’ then enter.
It will show you a new screen, click Continue to proceed next page, again if there's another continue, until you see the page with error message in a red box.
Edit the link again, the whole part which is before ‘?token=‘ replace with ‘https://m.facebook.com/x/checkpoint/828281030927956/auth_wizard/intro/‘. Then hit enter.
It will show you a new screen which asks you to confirm your identity. Click Continue, enter either email or WhatsApp number so they can send verify code and link to unlock account later. Next, it will ask you to send ID or take a selfie right on the tab, do it and click Send. The last page will tell you that it will take about 48 hours to verify.
Wait until they reply you via the email or WhatsApp number you sent them before. If successful, there'll be a link in the message that will take you through several steps to review your info, change password before you get back to your Facebook.
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有问有答
供需合作
方法1那个过时了，现在新的：
Solution:
Open mobile browser (Chrome is what I used). Go to ‘mbasic.facebook.com](http://mbasic.facebook.com).
Login with password and successfully pass 2FA (if you have setup 2FA). It will show you the same locked screen.
Close the tab, go to mbasic.facebook.com again. Once the page is loaded, you need to edit the link in address bar, replace ‘intro’ with ‘stepper’. At the end of the link, replace whatever after the last ‘&’ symbol with ‘phase=unauthenticated’ then enter.
It will show you a new screen, click Continue to proceed next page, again if there's another continue, until you see the page with error message in a red box.
Edit the link again, the whole part which is before ‘?token=‘ replace with ‘https://m.facebook.com/x/checkpoint/828281030927956/auth_wizard/intro/‘. Then hit enter.
It will show you a new screen which asks you to confirm your identity. Click Continue, enter either email or WhatsApp number so they can send verify code and link to unlock account later. Next, it will ask you to send ID or take a selfie right on the tab, do it and click Send. The last page will tell you that it will take about 48 hours to verify.
Wait until they reply you via the email or WhatsApp number you sent them before. If successful, there'll be a link in the message that will take you through several steps to review your info, change password before you get back to your Facebook.
不过每次收到的都是说这个证件无法证明是自己的账号。绝望了
谢谢晃晃大佬。