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One-Script Patch-Kit Workflow

This is the easiest safe workflow for preparing the Innioasis Y1 AirPods 2 no-sound fix.

The script does not include firmware. It does not flash the device. It builds the proxy locally, patches a copy of your own official system.img, verifies the result, and then stops. You still flash manually with the Innioasis Updater SP Flash Tool helper.

What You Need First

  • Innioasis Updater installed
  • official Innioasis Y1 firmware 3.0.7 obtained legally
  • Android NDK installed
  • WSL2 Ubuntu with debugfs, e2fsck, and sha256sum
  • this repository checked out locally

What The Script Creates

The script creates:

out/system_airpods2_fixed.img

Inside that image, the expected final layout is:

/lib/libbluetoothdrv.so       = RTP timestamp fix proxy
/lib/libbluetoothdrv_real.so  = original official 3.0.7 libbluetoothdrv.so
/lib/libmtkbtextadpa2dp.so    = untouched original library

At runtime, those paths become /system/lib/... on the device.

Normal Use

From the repository root, run PowerShell like this:

.\scripts\prepare_fixed_system_img.ps1 `
  -OriginalSystemImg "C:\Users\USER\AppData\Local\Innioasis Updater\system.img" `
  -AndroidNdkRoot "D:\Android\Sdk\ndk\23.2.8568313" `
  -OutputDir ".\out"

The script will:

  • check that the input image exists
  • check WSL and required Linux tools
  • build the RTP timestamp fix proxy from source
  • copy your original system.img to out/system_airpods2_fixed.img
  • extract the original official libbluetoothdrv.so
  • install the proxy as /lib/libbluetoothdrv.so
  • install the original driver as /lib/libbluetoothdrv_real.so
  • leave /lib/libmtkbtextadpa2dp.so untouched
  • dump both inserted files back out
  • compare SHA256 hashes
  • run e2fsck -f -n

Using An Already Built Local Proxy

If you already built the proxy locally, you can skip the build step:

.\scripts\prepare_fixed_system_img.ps1 `
  -OriginalSystemImg "C:\path\to\system.img" `
  -SkipBuild `
  -ProxyPath "C:\path\to\libbluetoothdrv.so" `
  -OutputDir ".\out"

The provided proxy is copied into the local work folder and verified after insertion into the image.

Flashing Is Still Manual

After the script finishes, manually copy the patched image to the Innioasis Updater folder after backing up the original:

C:\Users\USER\AppData\Local\Innioasis Updater\system.img

Then open:

C:\Users\USER\AppData\Local\Innioasis Updater\Toolkit\SP Flash Tool

Run:

2. Run Me + Connect Y1

Fully power off the Y1, then connect it by USB when the tool waits for the device. Do not disconnect the cable during flashing.

Safety Notes

The script prepares files only. It never calls adb, never flashes, and never touches a connected device.

The repo still does not distribute firmware, vendor libraries, compiled .so files, patched binaries, dumps, or private logs.