If you are looking for a way to unban your Facebook account in PUBG mobile game you need to figure out what type of ban you got yourself into, if it is a temporary ban it will last for 2 or 3 days sometimes for a week then don’t worry just wait the days and you will get unbanned otherwise, if you get a year or it could go up for 10 years that’s a permanently ban.
It is not hard to get unbanned from a permanent one just you have figure out what you did wrong for example you could have used some offensive language to other players or offensive names, or even killed one of your teammates on purpose, used some cheat codes or maps, tried to use an illegal shortcut. All of that could lead to a permanent ban.
To get unbanned you need to contact the PUBG support team where you will engage a chat with one of the members asking to help you, provide them with all the details you have occurred in the game and reasons you might think led to the ban and always try to be as polite as possible, don’t be rude to them as they are trying to help you also be apologetic and don’t be intimidated all wanted to help you.
Sometimes it will take time for them to reply to you due to a large number of users so just be patient and they will get to you, you could keep asking them multiple times it’s okay just don’t be disrespectful.