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Accessing via USB

If network transfer is not an option for you, but you still want to rely on the ext4 file system, you can set up Android Debug Bridge (ADB) to access your KNULLI device via USB connection.

Install ADB

To access your device via USB, you will need two download and install

Configure ADB Explorer

After installing ADB SDK Platform tools and ADB Explorer, you need to point ADB Explorer to the adb.exe file inside the folder where you installed the ADB SDK Platform tools. Next, make sure to select Disk Usage Only as your Progress Method.

Step 1: Open ADB Explorer and click the Change button to select the path to your ADB installation. Point to the adb.exe file of your ADB SDK Platform tools installation.

Step 2: Select Disk Usage Only as your Progress Method.

Transfer your data

Now that you have set up your ADB Explorer, you may use it to

  • add files to your device (push).
  • get files from your device (pull).
  • delete files from your device.

Browsing your device with ADB Explorer

Before you start adding or removing files, take a moment to understand how to navigate. In your ADB Explorer, your KNULLI device will present itself as Nexus 4 at the top-left of the ADB Explorer window.

  • Click Nexus 4 to expand and then Browse.
  • In the next menu, make sure to double-click Root, which will take you to the root folder of your KNULLI device.
  • From here, scroll down and double-click userdata to enter your userdata folder.
  • You can use the Up symbol or the Back arrow in the address bar to return to the previous folder.

Step 1: Click Nexus 4 to expand the device and click Browse to start browsing.

Step 2: Double-click Root to enter the root folder of your KNULLI device.

Step 3: Scroll down and double-click userdata to enter the userdata folder.

Step 4: You have reached the userdata folder.

Adding/retrieving/deleting files to/from your device

In ADB, adding something to a device is called push while retrieving something from a device is called pull.

If you want to push or pull a device to/from a folder, navigate to said folder and right-click it to bring up the context menu. Here, you will find options to push, pull, and even delete files.

After transferring your data

Once your data is completely transferred, make sure to update your gamelists to make the data available. You can do so by pressing Start to open the main menu, then open Game settings and select Update gamelists. KNULLI will rescan all game folders and identify all the games you added to make them available in EmulationStation.