Himanshu_IN wrote @Kevin_Z Thanks. I hat decided to go ahead with option 2. I am able to buy Deco M5 single piece in my country. Follow up query - I can see Deco M5 provides many advanced features...

@TP-Link_Deco any estimate on the beta or official firmware update with WPA2/AES fix for the Deco E4?

@TP-Link_Deco Any beta firmware for the Deco E4?

The E4 only has 100mbit ethernet ports, so that's where your bottleneck is. You can get a single unit of M4 or M5 and higher which have gigabit ethernet and use it as your main Deco so you can get...

TP-Link released another update and I think this is the second update during the past two weeks alone. Can TP-Link elaborate on "Enhanced total security"? Has anyone updated?

We need an ETA. We need confirmation that you will actually release an update regarding WPA, TKIP/AES, and WPS settings.