1st no idea on firmware couldn't find 1 2nd I tried to set up my TL-SG108 it worked fine on everything besides my streaming devices,I tried it on 2 Roku3's,and 1 Amazon streaming stick,they would all show internet but problems connecting.                                                                      Anyone know how to fix this,I even reset 1 of my Roku's with no help,I reset everything,could look things up on my pc my security cameras worked just could not stream.