Installing v1.4 (ugopwn)


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We will now install firmware version 1.4, in preparation for RocketLauncher.

Make sure you have followed the Getting Started page before proceeding.

There is a risk of bricking. Please ensure that all steps are followed correctly, and keep the NAND backup we will create in a safe place.

What you need

Instructions

Section I - Gathering the Necessary Files

  1. Power on your DSi, and open Flipnote Studio.
  2. Press "View Flipnote", then "SD Card".
  3. Choose "select folder", then choose "user" instead of "normal".
  4. Open the ugopwn folder.
  5. Click on the note with the red bottom half, then choose "edit".
  6. Once you are on the editing page, click on the flipnote frog icon in the bottom left.
  7. Click on the film roll icon, then choose "copy".
  8. Choose "back", then "exit".
  9. Click on the second note, then choose "edit".
  10. Click on the flipnote frog icon in the bottom left.
  11. Click on the film roll icon.
  12. Click on the single right arrow (the next to last arrow icon) two times. You will see a new frame be created.
  13. Click on the paste button exactly 122 times.
  14. Click the erase button, then the paste button. If twlnf doesn't appear, ensure that booting to Calender mode is disabled in Flipnote Studio's settings.
  15. You are now in twlnf. When prompted, if you haven't already made a NAND backup, press (A) to create a NAND backup. This will take a few minutes.
  16. When the NAND backup is finished, press (B) to exit twlnf. This will power off your device.

Section II - Downloading v1.4 Files

  1. Insert your DSi's SD card into your PC.
  2. Copy nand.bin to a safe place on your computer. Do not lose this file! It is an essential backup.
  3. Open NUS Downloader.exe and check the box that says "Create Decryped Contents (*.app)" (Note: Unix-based systems (Mac and Linux, for example) can run the .exe natively using Mono.)
  4. Uncheck the box that says "Keep Enc. Contents".
  5. Select: Database > System (DSi) > System Menu (Launcher) > [Your Region] > v512
  6. Select "Start NUS Download!"
  7. When done, select: Database > System (DSi) > Nintendo DS Cart Whitelist > All > v256
  8. Select "Start NUS Download!"
  9. When done, select: Database > System (DSi) > System Settings > [Your Region] > v512
  10. Select "Start NUS Download!"
  11. When done, select: Database > System (DSi) > Version Data > [Your Region] > v4 (China)
  12. Select "Start NUS Download!"
  13. Exit NUS Downloader, and run sort.py to prepare the titles for installation. When prompted, press Enter.
  14. You now have a new folder called title in your NUS Downloader directory. Copy this folder to the root of your SD card.
  15. Copy the twlnf installation script for your region to the root of your SD card.
  16. Unplug your SD card, and insert it in your DSi.

Section III - Installing System Version 1.4

  1. We are now modifying the DSi NAND directly. Ensure your DSi is plugged in and has a full battery.
  2. Repeat steps 9-22 of Section I to run twlnf.
  3. Wait for twlnf to load. When prompted, press (X) to mount the NAND directly. (twlnf does not list this as an option.)
  4. Navigate to install-1.4-(your region).nfs. Press (A) to execute.
  5. twlnf will now verify that all files are in place. When prompted, press (A) to continue.
  6. twlnf is now installing firmware version 1.4 on your DSi. When execution returned 0 appears, the script has finished executing.
  7. Press (SELECT) to quit twlnf, then (A) to confirm. Your DSi will power off.
  8. Power on your DSi, navigate to System Settings, and verify that your system version is now 1.4.

If you would like to install a permanent homebrew entrypoint, continue to Installing a Permanent Entrypoint.