@TP-Link @FredxS Just an update. I've been running the 1.5.4 firmware for a 4 days. It seems to be a lot better, but I still get the drop outs for 10 to 30 seconds occasionally (though less...

@Radeondutch Thanks. Deco M5 Was having some 10-30 second dropouts (upstream data) that were unexplained on Firmware 1.5.3. Thought it was my ISP at first until I found this thread. Manually upgraded...