Hi there! When an Apple TV device stops appearing in the app (Control Center Remote, AirPlay list, or Home app), it’s almost always a “visibility” issue, not a hardware failure. The device is on, but your iPhone just can’t “see” it on the network.

This usually happens for three reasons:
1. Network mismatch: iPhone is on “Home-5G” but Apple TV is on “Home-2.4G” (or a guest network).
2. Local Network Privacy: An iOS setting is blocking the app from scanning for devices.
3. Router Isolation: The router is preventing devices from talking to each other (common with mesh systems or extenders).

To guide you to the quickest fix without resetting everything, could you tell me:
• Is the Apple TV completely missing, or does it say “Searching…” / “Offline”?
• Are you using the built-in Control Center Remote (swipe down) or a specific app?
• Does AirPlay work (can you cast a video), or is that missing too?

Thanks for confirming. Since the physical remote works and Netflix plays, we know the Apple TV has internet. The fact that both the Remote app and AirPlay can’t see it confirms a local network discovery problem.

Basically, your iPhone and Apple TV are like two people in different soundproof rooms of the same house. They are both “home,” but they can’t hear each other.

Let’s do the #1 most common fix first (it resolves about 80% of these cases):
Check your iPhone’s Wi-Fi.
Go to Settings -> Wi-Fi. verify you are NOT on a “Guest” network or a 2.4GHz network if your Apple TV is on 5GHz (sometimes routers separate them).

Then, on the Apple TV itself, go to Settings -> Network. Does the Wi-Fi name match exactly what is on your phone?

Bingo. That matters a lot.

Even though “SmithHome” and “SmithHome_EXT” give you internet access, many extenders create a separate “subnet” (a mini-network). Devices on the main router often cannot “see” devices on the extender for things like AirPlay or Remote control. It acts like a one-way mirror.

The Fix:
You have two options to make them talk again:
1) Connect your iPhone to “SmithHome_EXT” temporarily. The Apple TV should appear instantly.
2) (Better long term) Force the Apple TV to connect to the main “SmithHome” if the signal reaches, OR connect the iPhone to the extender when you want to use the remote.

Try switching your phone’s Wi-Fi to the _EXT network right now. Does the Apple TV pop up in the Remote app?

I agree, that is annoying. Ideally, you want a “Mesh” system where everything is one big network, but traditional extenders (the ones that create _EXT names) break this connectivity.

Since you don’t want to buy new gear right now, here is a workaround to make the Apple TV not appearing issue less frequent:

Ethernet Test (The Gold Standard):
Is the Apple TV close enough to the extender or the main router to plug in an Ethernet cable? Wired connections often bypass these wireless “visibility” blocks.

If Wi-Fi is the only option:
Does your Apple TV have a decent signal if you connect it directly to “SmithHome” (the main one)? Even if it’s slightly weaker, keeping both devices on the exact same network name is critical for AirPlay/Remote stability.

Unfortunately, no. Apple’s discovery protocol (Bonjour) works in real-time; it scans “who is on the network with me right now?” If the Apple TV is on a different subnet (the _EXT), the iPhone assumes it’s gone.

However, there is one hidden setting that sometimes trips people up even on the same network. Let’s check it just in case, as it’s a common cause for “Apple TV not appearing in app”:

On your iPhone, go to Settings -> Privacy & Security -> Local Network.
Look for any apps you might be using (like the “Remote” app if you installed an older version, or specific streaming apps). Are they toggled ON (green)?

Note: The built-in Control Center remote doesn’t have a toggle here, but if you use 3rd party apps, this is key.

Restarting (Settings -> System -> Restart) forces the Apple TV to refresh its network connection (Bonjour broadcast). It might pop up for a second, but if it reconnects to _EXT, it will vanish again.

Here is the best step-by-step fix for your specific setup:
1) On Apple TV, “Forget” the _EXT network if possible, and try to live on “SmithHome”.
2) OR, rename your Extender to have the exact same SSID (name) and password as your main router.

Option 2 is a “poor man’s mesh.” It tricks your devices into thinking it’s one big network. It can sometimes cause sticky connections, but it usually solves the “device visibility” issue for AirPlay.

Would you like help knowing if your specific extender supports that “Same SSID” trick?

Excellent! That confirms 100% that the split network was the culprit.

Just a heads-up: If the Apple TV signal is weak on the main network, it might try to jump back to the _EXT one automatically if it remembers the password. If it disappears again tomorrow, go to Apple TV Settings -> Network -> Wi-Fi, click the _EXT network, and choose “Forget Network”. That ensures it stays visible to your phone.

Glad we got it sorted without any factory resets!