Orange PI safe overclock settings

reset_orange_pi_overclock.sh

#!/bin/bash 

export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin 

if [ "$(id -u)" != "0" ]; then 
echo "This script must be executed as root. Exiting" >&2 
exit 1 
fi 

Fex2Bin="$(which fex2bin)" 
if [ "X${Fex2Bin}" = "X" ]; then 
apt-get -f -q -y install sunxi-tools 
fi 

Path2ScriptBin="$(df | awk -F" " '/^\/dev\/mmcblk0p1/ {print $6}')" 
if [! -f "${Path2ScriptBin}/script.bin" ]; then 
echo "Can not find script.bin. Ensure boot partition is mounted" >&2 
exit 1 
fi 

MyTmpFile="$(mktemp /tmp/${0##*/}.XXXXXX)"
trap "rm \"${MyTmpFile}\"; exit 0" 0 1 2 3 15 

bin2fex <"${Path2ScriptBin}/script.bin" | grep -v "^LV" | grep -v "^max_freq" | grep -v "^min_freq" | grep -v "^extremity_freq" >"${MyTmpFile}" 
if [ $? -ne 0 ]; then 
echo "Could not convert script.bin to fex. Exiting" >&2 
exit 1 
fi 
cp -p "${Path2ScriptBin}/script.bin" "${Path2ScriptBin}/script.bin.bak" 

sed -i '/\[dvfs_table\]/a \ 
extremity_freq = 1296000000\ 
max_freq = 1200000000\ 
min_freq = 480000000\ 
LV_count = 7\ 
LV1_freq = 1296000000\ 
LV1_volt = 1320\ 
LV2_freq = 1200000000\ 
LV2_volt = 1240\ 
LV3_freq = 1104000000\
LV3_volt = 1180\ 
LV4_freq = 1008000000\ 
LV4_volt = 1140\ 
LV5_freq = 960000000\ 
LV5_volt = 1080\ 
LV6_freq = 816000000\ 
LV6_volt = 1020\ 
LV7_freq = 480000000\ 
LV7_volt = 980' "${MyTmpFile}" 

fex2bin "${MyTmpFile}" "${Path2ScriptBin}/script.bin" >/dev/null 
if [ $? -ne 0 ]; then 
mv "${Path2ScriptBin}/script.bin.bak" "${Path2ScriptBin}/script.bin" 
echo "Writing script.bin went wrong. Nothing changed" >&2 
exit 1 
fi 

echo "Successfully repaired broken overvolting/overclocking settings. Reboot necessary for changes to take effect"

run.sh

chmod +x reset_orange_pi_overclock.sh
sudo ./reset_orange_pi_overclock.sh
sudo reboot