git init git remote add origin https://github.com/rzrasel/Rz-Rasel-Flutter-Video-Tutorial-One.git git remote -v git fetch && git checkout Flutter-Tutorial-Navigate-To-Another-Screen-One git add . git commit -m "Add Readme & Git Commit File" git pull git push --all 

Navigate to your repository: cd my_repository/ Change to the branch you want to remove the big file from: git checkout master Use filter-branch to remove the big file: git filter-branch --force --tree-filter 'rm -f path/to/big_file.mpg' HEAD Instruct Git to purge the unwanted data: git reflog expire --expire=now --all && git gc --prune=now --aggressive Lastly, force push to the repository: git push --force origin master Your repository should now be below the size limit. 

Navigate to your repository: cd my_repository/ git checkout Flutter-Tutorial-Navigate-To-Another-Screen-One git filter-branch --force --tree-filter 'rm -f path/to/big_file.mpg' HEAD git reflog expire --expire=now --all && git gc --prune=now --aggressive git push --force origin Flutter-Tutorial-Navigate-To-Another-Screen-One