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+This application allows you to install a new firmware on your portapack.
+
+# The Flash Utility
+
+* Step 1: Compile or download the image. For example the latest nightly build from https://github.com/eried/portapack-mayhem/releases
+* Step 2: Place the file portapack-h1_h2-mayhem.bin on your SD card in the FIRMWARE folder.
+* Step 3: Start the Flash Utility and select the file.
+
+![grafik](https://user-images.githubusercontent.com/13151053/228267608-cf281412-151d-4405-95d9-300c266e26c9.png)
+
+![SCR_0009](https://user-images.githubusercontent.com/13151053/228262638-db3c7d7e-e4ba-400f-8037-10969fc1b382.PNG)
+
+* Step 4: Select Yes
+
+![grafik](https://user-images.githubusercontent.com/13151053/228263095-8e968306-fb11-4312-8a63-802bdc84ed54.png)
+
+* Step 5: Watch the LEDs blink and wait the 15s
+* Step 6: Double press the knob to turn off the portapack.
+* Step 7: Press the knob to turn on the portapack. You should now have the new firmware installed.
+
+# If things go wrong
+Sometimes something goes wrong and you are in a state where the portapack refuses to turn on again. You should know that no matter what you do, you can always recover from such situation. The portapack has a dfu that can never be deleted / overridden and should be used in this situation: [Update-firmware-troubleshooting](Update-firmware-troubleshooting)
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