Case study

fiilpod: FIIL earbud protocols integrated into HyperOS

fiilpod reconstructs FIIL earbud control protocols and integrates their battery, noise-control, EQ, and spatial-audio state into Xiaomi HyperOS. Its LSPosed module injects into Bluetooth and settings processes, communicates over SPP or BLE GATT, and documents GAIA, Mate, Airoha, and other command families.

Targets: App · Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 1
Last commit: 2026-11-01
Language: Kotlin
License (GitHub): GPL-3.0

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a download method observed; no demo found.
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: A Xiaomi or Redmi arm64 device with HyperOS 2, 3, or 4 on Android 15 or newer, LSPosed with libxposed API 102, and Bluetooth permissions.
Limits: The module requires the documented LSPosed process scopes and does not support Android 14 or older.
License: GPL-3.0 license.

Cite

BibTeX

@misc{fiilpod-case,
  title = {{fiilpod: FIIL earbud protocols integrated into HyperOS}},
  howpublished = {\url{https://github.com/FNKG9527/FiilPods}},
  url = {https://github.com/FNKG9527/FiilPods},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/fiilpod-case/}}
}

Plain text

fiilpod: FIIL earbud protocols integrated into HyperOS. https://github.com/FNKG9527/FiilPods (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/fiilpod-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

docs/PROTOCOL_FIIL.md GitHub · FNKG9527/FiilPods · Revision 4286929
README.md GitHub · FNKG9527/FiilPods · Revision 4286929