Update README.md

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Joseph C. Lehner 2020-05-11 16:50:10 +02:00 committed by GitHub
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@ -169,6 +169,14 @@ By default, file transfers using TFTP are limited to `65535 * 512` bytes
(almost 32 MiB). Uploading files exceeding this limit might fail, depending (almost 32 MiB). Uploading files exceeding this limit might fail, depending
on the device. on the device.
###### "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
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`.
### Building and installing ### Building and installing
###### Linux, Mac OS X, BSDs ###### Linux, Mac OS X, BSDs