unlock-galaxy-nexus

#!/bin/sh

# Unlock docomo NEXT series GALAXY NEXUS SC-04D  SC-04D's sim

set -e

adb-reboot() {
  adb reboot
  adb wait-for-device
  echo "rebooted!" >> /dev/stderr
}

# Restore default
adb shell rm /data/radio/nv_data.bin
adb shell rm /data/radio/nv_data.bin.md5

adb shell rm /factory/nv_data.bin
adb shell rm /factory/nv_data.bak
adb shell rm /factory/nv_data.bin.md5
adb shell rm /factory/nv_data.bak.md5
adb-reboot

cd /tmp
adb root

# Modify nv_data.bin. 01 -> 00 at 0x181460
adb pull /data/radio/nv_data.bin .
mv /tmp/nv_data.bin /tmp/nv_data.bin.bak
xxd -g 1 /tmp/nv_data.bin.bak |
  sed "s/^\(0*181460: .* .* .* .* .* .* .* .* .*\) 01 \(.*\)/\1 00 \2/" |
  xxd -r > /tmp/nv_data.bin
openssl md5 nv_data.bin | awk '{print $2}' | tr -d "\n" > nv_data.bin.md5

# Write /factory/nv_data
# Remount readonly /factory as writable
adb shell mount -o remount,rw -t ext4 /dev/block/platform/omap/omap_hsmmc.0/by-name/efs /factory
adb push nv_data.bin /factory/nv_data.bin
adb push nv_data.bin /factory/.nv_data.bak
adb push nv_data.bin.md5 /factory/nv_data.bin.md5
adb push nv_data.bin.md5 /factory/.nv_data.md5.bak

adb shell rm /data/radio/nv_data.bin
adb shell rm /data/radio/nv_data.bin.md5

adb-reboot