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###### "Ignoring extra upload request."
Extraneous upload requests are usually sent by the device if the image validation
failed. If you downloaded a firmware that's contained in an archive (a `.zip` for
failed. Some possible causes are:
* If you downloaded a firmware that's contained in an archive (a `.zip` for
example), you must extract this file, and then use the contained firmware file
as the argument to the `-f` parameter. Some examples for file extensions used
for firmware: `.chk`, `.bin`, `.trx`, `.img`.
* Some devices prevent you from downgrading the firmware. See if it works with
the latest version available for your device. If you're already using the latest
version, it might be possible to patch the version info of the firmware file. A
future version of `nmrpflash` might incorporate an auto-patch feature for these
cases.
* Your device might expect a different image format for `nmrpflash` than when
flashing via the web interface.
### Building and installing
###### Linux, Mac OS X, BSDs