Firmware download link
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 I have been having lots of problems with firmware upgrade GUI utility in windows , failing to install/upgrade new firmware. But no issues using command line updater. However, I need a link where to download latest gz firmware files for Lopy and Wipy. Where can I download up to date firmware gz files for Lopy an Wipy? This link for Lopy download firmware (from another thread) doesn't work, response "Unothorized". https://software.pycom.io/downloads/LoPy_915-1.7.3.b3.tar.gz 
 
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 Thanks jmarcelino, 
 1.7.4.b1 works.
 
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 It appears version 1.7.4.b1 has been silently released and the old one was removed. Try replacing the version in the URL 
 
