This tutorial assumes you've already logged in to phpBB
Now let's learn how to restore your forum database from a previous backup
1) Click Maintenance
2) Then click Restore
3) Choose the backup file you wish to restore.....
4) ..... then click Start Restore
That's it! You've successfully restored your forum database from a previous backup
This is the end of the tutorial. You now know how to restore your forum database in phpBB. Remember that it's a good idea to backup your forum's database often