This is my setup [ISP - Starhub: Huawei ONT ] --- [ Main Deco M4R as router ] wifi [ Satellite Deco M4R ] - Problem After upgrading to the beta firmware, the problem is still there. But I found a...

TP-Link wrote @FurryB Thank you and please do remember to let me know whether the beta firmware works or not. @TP-Link Loaded the beta firmware. It does not work. The result is still the same. When...

@TP-Link > Would any Deco turn red when the internet got disconnected? The main Deco is White while the Satelite Deco is Red.

@TP-Link > May I know who is your internet service provider? Starhub - Singapore > How often did this issue repeat? All the time after the 1.5.2 firmware upgrade > And could you please install the...

@Tumas1989 Same here. Seems to be the same problem as being discussed in https://community.tp-link.com/en/home/forum/topic/269448?page=1 But there seems to be no solution yet.

@DmitryS I have exactly the same problem after updating the M4. Is there a solution to this problem?