@IrvSp I had alo noticed the discrepancy in the file dates. I agree that it does appear a bit strange. Hopefully a TP-Link representative will answer . . Thank you.

@ArcherC8 It is a US router. Bought about in March 2018. I have used the US based firmwares since the beginning. Hopefully someone from TP-Link will respond soon. Thanks . .

@ArcherC8 Thank you for the quick reply. I did power off the router and then back on. As far as resetting to factory and updating again, I'm a bit reluctant to do that since the router appears stable...

I have a C5400 router (version 2). I just upgraded the firmware to the latest one available on the TP-Link website. It appears that the upgrade was successful but I have a question. When I log into...

@ohhhtaco I would try the following: 1. connect your computer directly to your cable modem 2. download the latest firmware again from the TP-Link website 3. manually try re-flashing the firmware...

@Naudran This is a long shot but I would also try either turning off QOS or, at least, trying to disable it by choosing "standard" in application priority and making sure that no devices are active...