@TP-Link Hi, well I thought that firmware update has fixed the problems but actually it didnt. I have updated yesterday and today I start to face the same problems. I run the speed test and have...

@TP-Link Hi, i have installed the new firmware you send to me and looks like it has fixed all my problems. Thanks

I am having deco m4 for last year. And yesterday I updated them to version 1.5.0 build 20210511 and immediately i start to have unstable internet. I am not able to work normally and even I was not...