Sending friend requests when blocked

Facebook may block you, if you send a lot of requests to unknown people. Then, you won’t be able to send requests even to those you personally know. But luckily there’s a trick to let you to send requests even if you are block. 

Login to your account and get the email of someone you want to add as a friend

Click on https://www.facebook.com/?sk=ff and you’ll be able to add friends using email services

Login with any email service and then add all required contacts to Facebook.

You can create a notepad file with comma separated email contacts for adding several friends. Only save it as name.vcf

Now, upload that file using the previous window. Friend requests will be sent automatically to Facebook users who have these email addresses.