@SayeemAhmed Because u did'nt buy the product from Bangladesh.

@LyonHuang No Deco BE25 will give you more speed because BE25 has WiFi 7 which is faster than Deco X60 WiFi 6

@Devotee101 Here is the QoS settings for me under Monthly Report.

@Devotee101 Check Qos and turn it OFF and also turn on auto reboot schedule for better performance.

@Paul-177 Mixing Decos some features will be disappeared from Deco App. I think you can one more Deco E4 to extend your coverage at home and update the Deco E4 firmware 1.7.0 if you have V1 or V2...

@Kuda Change the DNS in internet connection settings to 8.8.8.8 and 8.8.4.4 and also change it in DHCP Server hope this will resolve your issue.