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firmware

The Flipper Zero makes updating the firmware simple and fairly safe. It is easy to build your own firmware as well using the fbt command.

The flipper blog has a great entry all about the underlying firmware system, which explains why it is unlikely that you will brick your device.

Updating firmware via an application

https://flipperzero.one/update has links to qFlipper (the PC application) and also to Flipper Mobile App. These applications can be used to easily update the firmware on your flipper.

  • Install an SD card.
  • If needed, format the SD card
    • If your flipper is not at the Flipper Desktop press the BACK button until you are at the Desktop.
    • Press the OK button on the flipper to pull up the main menu.
    • Choose "Settings" from the menu.
    • Choose "Storage" fromthe sub-menu.
    • Choose "Format SD card".
  • Download & run the application
  • Connect to Flipper via bluetooth (or for the PC connect the USB cable)
  • On the PC click on the wrench icon & choose "Release" as the dropdown
  • Click the "Install" button.
  • Click the "Update" button.
  • Wait about 3 minutes.
  • Your Flipper should say "Firmware update - Success. OK>"
  • Click right arrow button on flipper.
  • Unplug Flipper from USB port.

Your Flipper is now running the latest Release firmware.

Building a custom firmware on Windows

You can build a custom firmware for the flipper, which allows you to add additional features to your flipper. Many people have special firmwares available on github, which enable additional functionality. Most of these firmwares started with the official firmware and create their own fork with customizations.

For instructional purposes, we will just use the code from the official firmware.

  • Step 1. You need to have GIT tools installed. NOTE: If you already have GIT installed, you can skip this step.

  • Step 2. You need an command prompt running as administrator.

    • In windows search bar type "cmd" (it should find "Command Prompt". click on run as administrator (right click if needed))

  • Step 3. Clone the repo. NOTE: If you have already cloned the repo, you can skip this step.

    • In the command prompt type the following commands to recursively clone the official firmware repo:
    md \repo
cd \repo
git clone --recursive https://github.com/flipperdevices/flipperzero-firmware.git

  • Step 4. Install the tools. NOTE: You should only have to do this step once per repo.

    • In the command prompt type the following commands to install the firmware toolkit:
    cd \repo\flipperzero-firmware
fbt.cmd

  • Step 5. Update your code to the latest version. NOTE: If you don't want to update your files with what is latest on github, you can skip this step.

    • In the command prompt type the following commands to update your local files:
    cd \repo\flipperzero-firmware
git pull

  • Step 6. Build the updater package firmware.

    • In the command prompt type the following commands to build your firmware:
    cd \repo\flipperzero-firmware
fbt.cmd updater_package

  • Hopefully the list line of output should be simiar to the following:

    	2023-01-10 15:09:56,355 [INFO] Use this directory to self-update your Flipper:
        dist\f7-D\f7-update-local

  • Your new firmware files should be at the c:\repo\flipperzero-firmware\dist\f7-D folder.

Using qFlipper to update with custom firmware

Once you have built your firmware, you should have a file named flipper-z-f7-update-local.tgz

Method 1:

  • Step 1. Launch the qFlipper application.
  • Step 2. Connect your flipper via USB cable.
  • Step 3. Click "Install from file".
  • Step 4. Choose c:\repo\flipperzero-firmware\dist\f7-D\flipper-z-f7-update-local.tgz and click Open.
  • Step 5. Click "Install".
  • Wait about 3 minutes for the installer.
  • Step 6. Your flipper should show "Firmware updated. Success. OK>"
  • Step 7. Click "OK"

Method 2:

This method seems to always work for me.

  • Step 1. Launch the qFlipper application.
  • Step 2. Connect your flipper via USB cable.
  • Step 3. Click on the folder icon in qFlipper.
  • Step 4. Open the "SD Card" folder.
  • Step 5. Select the "Manifest" file and right click "Delete" then click Delete.
  • Step 6. Select the "Update" folder (if it exists) and right click "Delete" then click Delete.
  • Step 7. Right click in a blank area and choose "New Folder" and name it "update".
  • Step 8. Double click on the "update" folder.
  • Step 9. In Windows File Explore open the c:\repo\flipperzero-firmware\dist\f7-D\f7-update-local folder.
  • Step 10. Drag the firmware.dfu file from Windows File Explorer into the qFlipper file window.
  • Step 11. Drag the remaining files from the c:\repo\flipperzero-firmware\dist\f7-D\f7-update-local folder into the qFlipper file window.
  • Step 12. Disconnect the USB cable.
  • Step 13. If your flipper is not at the Flipper Desktop press the BACK button until you are at the Desktop.
  • Step 14. Press the down arrow on the flipper.
  • Step 15. Press the right arrow on the flipper until it shows "Browser".
  • Step 16. Select the update folder.
  • Step 17. Select the update app.
  • Step 18. Choose "Run in app"
  • Step 19. Click the right arrow to do the "Install>"
  • Wait about 3 minutes for the installer.
  • Step 20. Your flipper should show "Firmware updated. Success. OK>"
  • Step 21. Click "OK"

Using SD card to update with custom firmware

These are directions if you prefer to do the update via SD card instead of USB cable. (I typically do USB cable.)

  • Step 1. If your flipper is not at the Flipper Desktop press the BACK button until you are at the Desktop.
  • Step 2. Press the OK button on the flipper.
  • Step 3. Choose "Settings"
  • Step 4. Choose "Storage"
  • Step 5. Choose "Unmount SD card"
  • Step 6. Click the right arrow to do the "Unmount>"
  • Step 7. Click the OK button on the flipper.
  • Step 8. Click the back button. (You should be back in the "Settings" menu)
  • Step 9. Choose "Power"
  • Step 10. Choose "Power OFF"
  • Step 11. Click the right arrow to do the "OFF>"
  • Step 12. Eject the SD card.
  • Step 13. Insert the SD card into your PC.
  • Step 14. Delete all of the files from the SD card (or at least the manifest file and update folder if it exists)
  • Step 15. Create a folder called "update" in the root of the SD card.
  • Step 16. Copy all of the files from c:\repo\flipperzero-firmware\dist\f7-D\f7-update-local folder into the "update" folder.
  • Step 17. Safely eject the SD card.
  • Step 18. Insert the SD card into the flipper.
  • Step 19. Hold the back button on the flipper until it powers on.
  • Step 20. Press the down arrow on the flipper.
  • Step 21. Press the right arrow on the flipper until it shows "Browser".
  • Step 22. Select the update folder.
  • Step 23. Select the update app.
  • Step 24. Choose "Run in app"
  • Step 25. Click the right arrow to do the "Install>"
  • Wait about 3 minutes for the installer.
  • Step 26. Your flipper should show "Firmware updated. Success. OK>"
  • Step 27. Click "OK"