UC Berkeley does not offer application for early admission or early decision.

Does Berkeley admit by major?

Many students are undecided about their major and there are options in three of Berkeley's colleges to be "undeclared". ... major on the application but are not accepted to the program will be considered for admission to the Engineering major.

Do you need straight A's to get into Berkeley?

Berkeley Admissions – SAT, ACT, GPA, and Class Rank

Clearly, most incoming Golden Bears achieved straight A's in high school and scored better than 90% of their peers on standardized tests.