Netgear R6300 Firmware Recovery Utility -
Before using software tools, try a "30-30-30" reset to clear the NVRAM: Hold the reset button for while powered on.
Keep holding reset and the power for another 30 seconds . Netgear R6300 Firmware Recovery Utility
Never attempt a recovery over Wi-Fi; it will almost certainly fail and cause further damage. Before using software tools, try a "30-30-30" reset