Hey! We’ll figure out why your Sony TV isn’t discovering devices and get it showing up again (Cast/AirPlay/Bluetooth/HDMI). Quick questions so we fix the device discovery issue the right way:
• What model is it (Sony BRAVIA) and is it Google TV / Android TV or an older Sony Smart TV?
• Which “not found” problem are you seeing: Chromecast built-in / Google Cast (TV not showing on phone), Apple AirPlay / HomeKit not pairing, Bluetooth pairing fails, or HDMI device not recognized (soundbar/receiver/console)?
• Is your TV on Wi-Fi or Ethernet, and do you have a mesh/extender/guest network?
• Any recent changes: router update, new mesh, VPN on phone, new Apple ID/iCloud settings, or TV firmware update?
Once I know which discovery path is failing, I’ll give you a fast, step-by-step fix.

Thanks — since it’s failing for both Chromecast built-in and AirPlay 2, this usually points to one of these:
• TV and phone aren’t on the same Wi-Fi network (common with mesh/extenders, dual-band SSIDs, or guest Wi-Fi).
• Router features block discovery (e.g., AP isolation, “client isolation”, or a guest VLAN).
• The TV’s system apps used for casting are disabled or need a refresh (Google Cast Receiver, Cast function apps, Android System WebView).
• For Apple, AirPlay can fail if Sony “Smart TV services”/privacy setup isn’t enabled or if the TV’s time/network is wrong.

Let’s do the fastest “high win-rate” checks first — we’ll confirm the network path, then re-enable the discovery services on the TV.

Mesh with the same SSID can still split devices onto different segments (router vs node), and discovery protocols (mDNS for AirPlay/HomeKit, and multicast for Cast) can break if the mesh isolates clients.

Step 1 — Verify “same network” the right way (not just same Wi-Fi name)
1) On the TV: Settings → Network & Internet → confirm it’s connected to your home Wi-Fi (not Guest). Note the IP address if visible.
2) On your phone: open Wi-Fi details and confirm it’s not on a Guest network, and that VPN is off for the test.
3) In your mesh app, check where each device is connected: make sure the TV and phone are on the same LAN (not one on “main” and one on “guest” / isolated SSID).

Step 2 — Disable isolation features that block discovery
In the mesh/router settings, look for any of these and turn them off (at least for testing):
• AP / Client Isolation
• “Guest network isolation” (keep TV off guest Wi-Fi)
• “Block LAN access” for Wi-Fi clients
• Some systems call it “Wireless isolation” or “Device isolation”

After toggling, reboot the mesh (main router + nodes). Then we’ll refresh Sony’s casting services.

Perfect — next we’ll fix the TV-side services that make the BRAVIA “discoverable”. On Google TV/Android TV, casting can disappear if Google Cast Receiver is disabled or its data is corrupted.

Step 3 — Re-enable Chromecast built-in / Google Cast on Sony BRAVIA
1) TV: Settings → Apps → See all apps → (Show system apps if available).
2) Find Google Cast or Google Cast Receiver → make sure it’s Enabled (not Disabled).
3) Open Cast function apps → choose Clear data (and Clear cache if shown).
4) Do the same for Android System WebView (clear cache/data) because Cast discovery often depends on it.
5) Restart the TV (hold the Power button on the remote → Restart).

After the restart, test YouTube Cast again. If it appears even once, we’ll lock it in by updating those system apps.

Great — Cast is back, so we’re down to the Apple discovery path: AirPlay 2 uses mDNS/Bonjour + some privacy/service toggles on Sony. Let’s fix AirPlay fast.

Step 4 — Fix “Sony AirPlay not showing” / HomeKit pairing issues
1) On the TV: Settings → Network & Internet → confirm the TV has correct date/time (wrong time can break network services).
2) TV: Settings → Apple AirPlay & HomeKit → ensure AirPlay is On. If you see an option to “Require Code”, set it to First Time Only for testing.
3) TV: open the TV Help/Privacy area and ensure Sony Smart TV services are enabled/accepted (some models require this for Apple services to fully work).
4) iPhone: Settings → Wi-Fi → same network as TV, then toggle Wi-Fi off/on. Also temporarily disable Private Wi-Fi Address for that network if AirPlay discovery is weird.
5) Restart iPhone and TV (a real restart, not just sleep).

If AirPlay still doesn’t discover the TV, we’ll check your router for mDNS/Bonjour blocking and test with the TV on Ethernet (quick diagnostic that often instantly solves “not discoverable” issues).

Yes — Ethernet is the fastest “proof test” because it bypasses some Wi-Fi multicast quirks in mesh systems. And the HDMI soundbar issue points to a broader BRAVIA discovery/handshake problem (network + HDMI-CEC). Let’s do two quick diagnostics.

Step 5 — One-minute Ethernet test (high success for AirPlay not discovering)
1) Plug the TV into the router/mesh main node with an Ethernet cable.
2) TV: Network settings → switch to Wired connection.
3) Restart TV, then try AirPlay from iPhone again.
If AirPlay works on Ethernet, your Wi-Fi/mesh is filtering mDNS/Bonjour or multicast discovery. Then the “real fix” is enabling LAN/multicast/Bonjour in the mesh settings (names vary by brand).

Step 6 — Fix “Sony soundbar/receiver not detected” (HDMI device discovery)
1) Unplug TV and soundbar/AVR power for 60 seconds (power reset).
2) Use the soundbar’s HDMI ARC/eARC port and the TV’s ARC/eARC HDMI port.
3) TV: Settings → External Inputs → BRAVIA Sync (HDMI-CEC) → turn it On, then run “BRAVIA Sync device list” refresh (if available).
4) Try a different HDMI cable if the current one is old/loose (handshake issues can look like “device not recognized”).

These two areas (network discovery + HDMI-CEC) often fail together after firmware updates or power glitches.

Awesome — that confirms the root cause: your mesh Wi-Fi is blocking the discovery traffic (mDNS/Bonjour for AirPlay/HomeKit and multicast for Cast).

Step 7 — Make AirPlay/Cast work on Wi-Fi (permanent mesh settings)
In your mesh app, look for settings like these (wording differs by brand):
• Multicast / IGMP Snooping (enable, or enable “multicast enhancement”)
• “mDNS / Bonjour” support (enable if present)
• Disable “Wireless client isolation” on the main SSID
• If there’s an “IoT network” feature, ensure it allows LAN discovery (some IoT SSIDs block phones from seeing TVs)
• If you use extenders, ensure the phone and TV are not separated into different isolated segments

After saving changes, reboot the mesh nodes once. Then disconnect Ethernet and retest AirPlay + Cast over Wi-Fi. If it fails again, we can pinpoint the exact toggle in live chat based on your mesh brand/model.

Bluetooth is separate from Wi-Fi discovery, but the fixes are similar: clear stale pairings, restart radios, and reduce interference.

Step 8 — Fix Sony BRAVIA Bluetooth not finding devices / not pairing
1) TV: Settings → Remotes & Accessories → Bluetooth settings → remove (“Forget”) the headphones/device if listed.
2) Put the headphones into pairing mode again (fresh pairing state).
3) Restart the TV (hold Power → Restart).
4) Keep the headphones close (within 1–2 meters) and temporarily move the TV away from strong 2.4 GHz interference (some Wi-Fi routers right next to the TV can impact Bluetooth).
5) If it pairs but won’t reconnect, delete the pairing on both sides and re-pair once — this resolves “saved pairing corruption” on Google TV devices.

Related keywords you might see for this: Sony TV Bluetooth not discoverable, BRAVIA headphones won’t connect, pairing failed, or keeps disconnecting.

Love it. Summary: when a Sony BRAVIA isn’t discovering devices, first confirm the phone and TV are truly on the same LAN (not guest/isolation), then re-enable/refresh Google Cast Receiver and casting system apps. For AirPlay/HomeKit not showing, an Ethernet test quickly proves whether your mesh is blocking mDNS/Bonjour. For soundbars/consoles “not detected”, refresh BRAVIA Sync (HDMI-CEC) and power reset the chain. If you want, open the chat and we’ll tune your exact router/mesh settings so discovery stays stable.