How to Set SD Card As the Default Sync Path on Android Devices
When you sync your Android devices with other devices, or access your Android phone as U Disk, you can use the internal storage or the external SD card as the default location, this provides you more choice compared with iDevices.
Step 1
Launch iSkysoft dr.fone and connect your Android device with your PC.
Step 2
Click Menu icon at the top right of the interface, select Preference from the drop down list. Select Android tab, choose Save files to Android device> Set the external SD card to be the default location.