Hi.  We bought our Deco p9 3 pack last week to combat Wifi dead spots in the house and so far, so brilliant.  However, after installation, we discovered that two of our devices in the house would not connect.  It seems that this is because they run on 2.4G only and cannot handle 5g.  On doing some googling and then speaking to technical support, we were informed that we should be able to temporarily disable the 5g network in more/ wifi/main network, but when we look, there is no option there at all.  On doing some further investigation, it seems that the support agent I was speaking to was using a tester app on Android and not IOS and screen shots which we sent to them confirmed that you cannot disable the 5g network if you are using the app on an iPhone.  I have an iPhone 8 running IOS 13.4 and my husband has an iPhone SE running 13.4.  We are current with both Deco p9 firmware and the deco app and have doublechecked to make sure this is the case.  Does anyone else have this problem and if so, how can TP-link leave such an important function out of the iPhone app?  It's ridiculous.

As a result of this, we have now had to reenable the 2.4G wifi on our router because that is what our Sky+ box will only connect to and because we are both blind and need to use our iPhones as remote controls for our Sky Box, they have to be on the same network.  You could argue that we could upgrade to Sky Q but even then one of our items still requires a 2.4G so it wouldn't resolve our problem.  It's inconceivable to me that TP-Link would omit this function from the iPhone app.  Is it just us having this problem?  If not, TP Link really need to get this sorted.  I don't want multiple networks just for the sake of two devices.