Over Clock

echo "
# Overclocking
arm_freq=2147
gpu_freq=750
over_voltage=8
" | sudo tee -a /boot/config.txt

sudo reboot

echo "
# Overclocking
arm_freq=2147
gpu_freq=750
over_voltage=8
" | sudo tee -a /boot/firmware/config.txt

# Overclocking
arm_freq=2147
gpu_freq=750
over_voltage=8