To become a lawyer with a low GPA, you need to:
1. Work hard to improve your grades if you are still in undergrad.
2. Score high on the LSAT to show your potential.
3. Write an addendum to explain the reasons for your low GPA.
4. Make sure your application is flawless and showcases your strengths.
5. Apply to a lot of law schools that match your profile.
You can also gain real-world experience before applying, focus on your essays, secure stellar recommendations and send out lots of applications! In your application, acknowledge your low GPA and explain why your grades were low.
I hope this helps!