RESET Iinstructions -- MikroTik Routers rb952ui-5ac2n
While the device is powered off press and hold the reset button (back of the unit), without releasing the reset, plugin power on the device, when the usr led starts to flash release the reset button immediately. Let it boot and it should be like before.
success is in reloading, old but works.2020
Installing AREDN Firmware on a Mikrotik Device