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Forum Discussion
AC 750 wi-fi range extender bricked after firmware update, no wi-fi or ethernet access
Since being prompted to upgrade firmware on my EX3700 AC750 range extender I can not access the device, it does not emit a wifi signal nor can I get to it using an ethernet cable, I've tried a hard r...
You may have to reflash the firmware again here is a guide how to do it using TFTP.
https://kb.netgear.com/22688/How-to-upload-firmware-to-a-NETGEAR-router-using-TFTP
DarrenM