The ZIP file must contain an Application, a Soft Device and/or a Bootloader.

[baconcheese113]

DFU Bootloader version:

• nRF Connect SDK version: 2.0.2
• Using bonding: no
• DFU Library version: 2.0.3

Device information (please complete the following information):

• Device: Galaxy S8
• OS: Android 11

Currently implementing DFU in a flutter app which is using nordic-dfu and getting the following logs when trying to start the DFU

I/DfuBaseService(26041): DFU service created. Version: 2.0.3
I/DfuBaseService(26041): Starting DFU service in foreground
W/DfuArchiveInputStream(26041): Manifest failed to be parsed. Did you add 
W/DfuArchiveInputStream(26041): -keep class no.nordicsemi.android.dfu.** { *; }
W/DfuArchiveInputStream(26041): to your proguard rules?
E/DfuBaseService(26041): An exception occurred while calculating file size
E/DfuBaseService(26041): java.io.IOException: The ZIP file must contain an Application, a Soft Device and/or a Bootloader.
E/DfuBaseService(26041):    at no.nordicsemi.android.dfu.internal.ArchiveInputStream.<init>(ArchiveInputStream.java:266)
E/DfuBaseService(26041):    at no.nordicsemi.android.dfu.DfuBaseService.openInputStream(DfuBaseService.java:1457)
E/DfuBaseService(26041):    at no.nordicsemi.android.dfu.DfuBaseService.onHandleIntent(DfuBaseService.java:1195)
E/DfuBaseService(26041):    at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:76)
E/DfuBaseService(26041):    at android.os.Handler.dispatchMessage(Handler.java:106)
E/DfuBaseService(26041):    at android.os.Looper.loop(Looper.java:214)
E/DfuBaseService(26041):    at android.os.HandlerThread.run(HandlerThread.java:65)
I/DfuBaseService(26041): DFU service destroyed

The zip was built through the nRF Connect Extension in VS Code with the west build command and the output zip has both the app_update.bin and the manifest.json which looks like:

{
    "format-version": 0,
    "time": 1663314513,
    "files": [
        {
            "load_address": 66048,
            "version_MCUBOOT": "0.0.0+0",
            "type": "application",
            "board": "nrf52840dk_nrf52840",
            "soc": "nRF52840_QIAA",
            "size": 329506,
            "file": "app_update.bin",
            "modtime": 1663314511
        }
    ],
    "name": "test",
    "firmware": {
        "zephyr": {
            "revision": "be360e7db2db7e1f0e9fcac686a08e62e350bf55"
        },
        "nrf": {
            "revision": "053756565898659278f957e5f58000cc0491a88d"
        }
    }
}

and my app/src/proguard-rules.pro contains

-keep class no.nordicsemi.android.dfu.** { *; }

Can you offer any insight into how I might be able to fix this? I read through the other issues with the same error message but their fixes didn't solve my issue

[philips77]

Hi, you're using a wrong library. This dfu library supports Legacy and Secure DFU from nRF5 SDK. You're using NCS (nRF Connect SDK), which is using MCU manager subsystem for firmware update.

Please, use nRF Connect Device Manager library instead.