因為要修改系統級的文件，所有手機要在root環境下執行命令

刪除原有的wifi連接信息，將需要連接的wifi重新寫入

#!/bin/bash
#
# Get this information by connecting manually once, and do
#   adb pull /data/misc/wifi/wpa_supplicant.conf
ADB_PULL="adb pull /data/misc/wifi/wpa_supplicant.conf"
WIRELESS_CTRL_INTERFACE=wlan0
WIRELESS_SSID=Gondolin
WIRELESS_KEY_MGMT="WPA-EAP IEEE8021X"
WIRELESS_EAP=PEAP
WIRELESS_USER=Turgon
WIRELESS_PASSWORD=IdrilCelebrindal
adb start-server
adb wait-for-device
echo "adb connection....[CONNECTED]"
adb root
adb wait-for-device
adb remount
adb wait-for-device
pushd /tmp
rm wpa_supplicant.conf 2>/dev/null # Remove any old one
adbpull_status=`$ADB_PULL 2>&1`
echo -e "\nAttempting: $ADB_PULL"
if [ `echo $adbpull_status | grep -wc "does not exist"` -gt 0 ]; then
    echo "  wpa_supplicant.conf does not exist yet on your device yet."
    echo "This means you have not used your wireless yet."
    echo ""
    echo "Taking our best shot at creating this file with default config.."
echo "ctrl_interface=$WIRELESS_CTRL_INTERFACE" >> wpa_supplicant.conf
    echo "update_config=1" >> wpa_supplicant.conf
    echo "device_type=0-00000000-0" >> wpa_supplicant.conf
else
    echo $adbpull_status
    echo "  wpa_supplicant.conf exists!"
fi
echo ""
echo "Add network entry for wpa_supplicant.conf.."
echo "" >> wpa_supplicant.conf
echo "network={" >> wpa_supplicant.conf
echo "  ssid=\"$WIRELESS_SSID\"" >> wpa_supplicant.conf
echo "  key_mgmt=$WIRELESS_KEY_MGMT" >> wpa_supplicant.conf
echo "  eap=$WIRELESS_EAP" >> wpa_supplicant.conf
echo "  identity=\"$WIRELESS_USER\"" >> wpa_supplicant.conf
echo "  password=\"$WIRELESS_PASSWORD\"" >> wpa_supplicant.conf
echo "  priority=1" >> wpa_supplicant.conf
echo "}" >> wpa_supplicant.conf
echo "Pushing wpa_supplicant.conf.."
adb push wpa_supplicant.conf /data/misc/wifi/wpa_supplicant.conf
popd #/tmp
adb shell chown system.wifi /data/misc/wifi/wpa_supplicant.conf
adb shell chmod 660 /data/misc/wifi/wpa_supplicant.conf
echo ""
echo "Finished!"
adb shell am start -a android.intent.action.MAIN -n com.android.settings/.Settings
echo "Please toggle wifi off/on now.. (ifconfig not sufficient, monkey this)"

再次觸發wifi連接

adb pull /data/misc/wifi/wpa_supplicant.conf