Anton L.Z. wrote since it works perfectly, there is no need to update the firmware, sometimes, wrong update will brick the device... since the new FW fixes security flaws, yes there's need to update...

flying snow wrote I think that can be upgraded via the update utility too. https://www.tp-link.com/en/faq-634.html What's your current firmware version? You tried and the M5250 locks up? Like no...

Model : M5250(UN) Hardware Version : ver 1.0 Firmware Version : factory default, initial version ISP : RCS-RDS I'm trying to update to the M5250(UN)_V1_170418_beta from here:...