403 error when updating smart plug

[Such Kamal]

The firmware added in #267 is returning a 403 error. @weihuan1111 do the permissions on the s3 bucket need to be updated?

[digiblur]

Same issue here. I checked the URL manually and 403 in the browser too

[digiblur]

PR submitted to fix the URLs

#298

[Koen Kanters]

thanks @digiblur !