Value to change after migrate to RPI3

A simple topic for people who change the Pi Zero to a Pi 3,

For activate the audio output :

sudo /boot/config.txt

Uncomment the ligne : dtparam=audio=on

If you install a GUI I recommande you to change the GPU memory

gpu_mem=16 to 320

For use the rpi at normal puissance change the following value

arm_freq=400 to 1400
core_freq=250 to 400

It’s the Default value