Facebook is in top position in current social media networking because it facilitate a great way of to keep in contacts with peoples around world i mean those peoples who are using face book . yeah it has a features of Blocking or unblocking trolls.

Blocking a Facebook User

in facebook peoples always try to find some good friends or to create a best membership.  some time they find out trolls who become annoying regularly. than what to do if they get out control or not understanding your warning , than there is a facebook feature which provide a block option where you can ride out these trolls. Bellow i will teach you that how to perform this action with steps.

Method one

Go to the profile of user whom you are going to block and there you will see 3 dots button right to the message button click on that button then you will see a block option in that button and finally click on that buton to block person.

=> user profile => 3 dots option => Block

 if you have accidentally blocked some one who is not annoying or you have blocked a normal fb user who got little much troll or cross limit. Remember on thing only unblocking will not take back your user on your friend list  or you can say that a user which you have unblock recently will not come automatically to your fb list. So to get back your friend on his previous position when was not block than send him a new friend request.



Un-Blocking a person in windows. 

go to person profile which you have blocked click on three dots button and click on unblock next to the block .

=>profile=>three dot option=>unblock

Blocking a person in android device

Click on menu option in the upper-right corner of the screen and select account setting option then select blocking finally type name or email of person  search box and choose block button. thats all