To create strong Facebook password user can go through the Facebook Customer Service Number for the immediate solution.
When you are using facebook account and page showing 404 errors it means your page is not available on the server, in that case, you can contact to facebook help support team.
If you are using yahoo mail and you want to recover yahoo deactivated account. then you can call on yahoo customer care and with the help of yahoo expert you can recover your yahoo deleted and deactivated yahoo account.
Mostly to secure their yahoo account, yahoo users want to create a strong password for their account. So, for the support of it the user can call on yahoo Customer Service Number.@ 1855-777-5686