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Forum Discussion
MLewisCT
Dec 08, 2025Aspirant
Even if I "hide" the 5ghz, and "forget" the SSID on my android phone
These steps will not work for me for some reason. Even if I "hide" the 5ghz, and "forget" the SSID on my android phone, when it then shows the available networks, it is still a 5ghz network. I also...
CrimpOn
Dec 09, 2025Guru - Experienced User
StephenB wrote:Are you able to discover the Mitsubishi adapter via bluetooth?
OMG. Really??? Smartphone apps that use Bluetooth to set up the IoT device are generally not affected by the "2.4G Dilemma". The situation exists because while the vast majority of smartphone apps for IoT devices are well-written, there are some apps that go out of their way to fail. either
- They detect that the smartphone is connected to WiFi at 5G and simply refuse to continue, or
- They try to be helpful and communicate the MAC address of the 5G WiFi access point to the IoT device, which cannot find it because it has only a 2.4G radio capability.
All the "workarounds" for these defective apps are attempts to compensate for poorly written apps.
I forgot to ask the obvious question: "how is the smartphone app failing?" or, have you even tried the app?
StephenB
Dec 09, 2025Guru - Experienced User
CrimpOn wrote:Smartphone apps that use Bluetooth to set up the IoT device are generally not affected by the "2.4G Dilemma".
Agreed. And the difficulties I had weren't linked to the 2.4 ghz radio, so I suspect something else is going on.
MLewisCT - if you used an installer then you should reach out to them, as they have access to Mitsubishi support. There is also a reset button on their wifi module that you might need to use (more than once).
FWIW, the app is buggy. If I had a do-over I wouldn't have purchased the wifi modules, and just controlled my system using their thermostats.
- MLewisCTDec 09, 2025Aspirant
Thank you. I did use an installer and both they and I were on the phone with Mitsubishi support. The app requires a dedicated 2.4ghz network connection on your phone in order to configure the adapters in the units. It won't work with dual band. Really poor app design. They just had me order a TP Link access point in order to get Mitsubishi Comfort to work (formerly Kumo Cloud). It's even printed in the mini split manuals.
- StephenBDec 09, 2025Guru - Experienced User
MLewisCT wrote:
The app requires a dedicated 2.4ghz network connection on your phone in order to configure the adapters in the units.
Odd, as I was able to get mine working with a single SSID for both bands. And that was back when I was also using an RBK50 setup. Though that was a while ago, so Mitsubishi must have changed the install. Bad design with a BlueTooth assisted install, as all Mitsubishi needed to do is send the wifi name/password over the BlueTooth connection.
If the wifi module(s) are closer to the satellites than the router, then you could be to turn off the satellites and dial back the 5 ghz power as much as you can. Since 2.4 has more range, that could result in the phone connecting over 5 ghz. If that works, then you could return the AP unopened.
FWIW, new Orbi models have an IoT network that can be set up to use only 2.4 ghz.