transferring to UCLA

Hello! I am debating whether or not to transfer to ucla from uci. I got admitted but wanted to get an idea of what the student life is like at ucla, academics. Obviously UCLA is more prestigious but I also heard the students are really competitive and it can sometimes be difficult to find friends and establish yourself as a transfer. I already have good connections where I am, can I still build more connections in just two years. Also is it possible to change majors as a transfer let’s say I want to go from neuroscience to biochemistry? Thanks in advance!

If you have friends just stay where you are. UCI is a grest school. Just MHO.