首先手機要先接到電腦上
並且開啓 USB Debugging
之後步驟如下：
1. 執行：adb shell
2. 執行：pm
get-install-location
這時應該輸出爲 0 默認的位置
3. 執行：pm set-install-location 2
設定默認安裝到 SD Card
0 [auto]: Let system decide the best location
1 [internal]: Install on internal device storage
2 [external]: Install on external media
1 [internal]: Install on internal device storage
2 [external]: Install on external media
參考來源：http://www.addictiveblogs.com/how-to-move-all-android-apps-to-sd-card-without-rooting-device/