Audio Fix / setup help

FiiO R9: Reconnect FiiO Cast after the phone screen slept

FiiO R9 — Reconnect FiiO Cast after the phone screen slept. Follow the exact documented route and keep the actual result.

Manufacturer-documented Reviewed 2026-11-09 · Revision 1

Follow these checks in Audio Fix →

When this guide applies

Exact FiiO R9. Already established compatible FIIO Control/FiiO Cast session; not first app installation or an arbitrary minimum version. Only normal external user controls; no mains modification, chassis opening, reset or firmware installation.

Connection scope: Wi-Fi / Ethernet network audio. Symptom: The control app cannot find my device.

This is a documented check, not a diagnosis of your equipment. The model name does not confirm the selected input, mode, software or connected partner.

If your exact model or a required setting is unknown, use the “I don’t know” branch below. Do not apply a similarly named model’s instructions.

Checks and possible outcomes

Start at scope. Follow the link that matches what you actually observe. Alternative branches are not a single sequence of actions.

scope

Confirm the exact setup

Did a previously working FiiO Cast session disconnect after the phone screen slept, with both devices still on the same LAN?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented FiiO R9 FAQ: FiiO Cast ↗Connection instructions; reconnection note — R9 and phone must share a LAN. FiiO Cast Start waits for connection; FIIO Control Add a device > DAP discovers it. After a phone-screen timeout, wait for red icon then tap to reconnect.Exact FiiO R9, not R7. Installed settings must match the documented labels. · Source checked 2026-11-09

a1

Wait for the disconnected-state icon

On the reopened FIIO Control screen, wait until the connection icon turns red as documented.

Look for: Perform this one check and observe the actual response.

  • Manufacturer-documented FiiO R9 FAQ: FiiO Cast ↗Connection instructions; reconnection note — R9 and phone must share a LAN. FiiO Cast Start waits for connection; FIIO Control Add a device > DAP discovers it. After a phone-screen timeout, wait for red icon then tap to reconnect.Exact FiiO R9, not R7. Installed settings must match the documented labels. · Source checked 2026-11-09

a2

Reconnect from the red icon

Tap that red icon to reconnect to the R9 basic control page. Do not back through the R9 pages, which can disconnect the session again.

Look for: Perform this one check and observe the actual response.

  • Manufacturer-documented FiiO R9 FAQ: FiiO Cast ↗Connection instructions; reconnection note — R9 and phone must share a LAN. FiiO Cast Start waits for connection; FIIO Control Add a device > DAP discovers it. After a phone-screen timeout, wait for red icon then tap to reconnect.Exact FiiO R9, not R7. Installed settings must match the documented labels. · Source checked 2026-11-09

result

Check the actual result

Does the previously working control page reconnect?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented FiiO R9 FAQ: FiiO Cast ↗Connection instructions; reconnection note — R9 and phone must share a LAN. FiiO Cast Start waits for connection; FIIO Control Add a device > DAP discovers it. After a phone-screen timeout, wait for red icon then tap to reconnect.Exact FiiO R9, not R7. Installed settings must match the documented labels. · Source checked 2026-11-09

Possible result

Confirm the unknown detail first

Do not infer a source setting, installed cartridge, connector role, software state or partner capability. Obtain the exact documentation before continuing.

insufficient data

Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

    Possible result

    Keep the actual observation for support

    Record the exact model, source, input and last observed response. These checks do not diagnose a failed component. No reset, service work or blind update is prescribed.

    next support

    Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

      Possible result

      Checks completed — keep the observed result

      This records the observation in this particular setup, not a guaranteed cure, physical Audio Review test or measurement.

      steps completed

      Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

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