# Contribute to Trezor Firmware Please read the general instructions you can find on our [wiki](https://wiki.trezor.io/Developers_guide:Contributing). Your Pull Request should follow these criteria: - The code is properly tested. - Tests must pass on [CI](https://travis-ci.org/trezor/trezor-firmware). - The code is properly formatted. Use `make style_check` to check the format and `make style` to do the required changes. - The generated files are up-to-date. Use `make gen` in repository root to make it happen. - Commits must have concise commit messages, we endorse [Conventional Commits](https://www.conventionalcommits.org). ### Please read and follow our [review procedure](review.md).