For anyone still having this issue:
From Blueendless Kimax BS-U35-WF - #61 by chunkeey
1. Power on the device and wait for the status led to stop flashing (or go in Failsafe Mode above).
2. Press and keep pushed the Reset button for 10 seconds.
3. Release the Reset button
4. let it reboot and wait until the LEDs stop flashing