@shahed3000 The unofficial new firmware 1.5 has been installed on my TP-LINK Deco M4 for Bangladesh region. Seems that the firmware enabled 5 GHz(159 GHz) band. However, once the firmware updated,...

TP-Link wrote @AsadulHuq Thank you very much and I would like to forward your case to the senior engineers for further assistance; Please have a check of your email box later. By the way,except the...

@TP-Link TP-Link wrote @AsadulHuq Thank you very much for your feedback. It might be related to the smart DHCP feature on the Deco M4 and I would like to forward your case to the senior engineers for...

@VCL Deco M4 latest firmware has some problems. They are mainly- 1. Solid Red light problem 2. "Linked Deco Unavailable for current firmware" message* 3. Deco requires internet access to setup! (You...

My router model is Deco M4 for Bangladesh region. Info about the router is: Model M4R US (2.0). Firmware Version: 1.4.1 Build 20200714 Rel. 47859. This model/firmware has some problem. Especially in...

@Dagster I also see same message.