Updating the (Allwinner T3 platform) firmware typically involves a local update using a USB flash drive or an online "My Car" cloud update. These updates are often sought to resolve issues with ZLINK5/CarPlay, system lag, or outdated apps like YouTube. Orca Car Audio Method 1: Manual USB Update (Local) This method uses a firmware file (often named update.zip or containing a extension) loaded onto a flash drive. Prepare the USB Drive : Format a flash drive (max 32GB) to Download & Placement

Obtain the correct firmware version for your specific model (e.g.,

Phase 2: Entering Update Mode

1. Locate the RESET and FUNC buttons on the control panel.
2. Press and hold the FUNC button.
3. While holding FUNC, press and release the POWER button (or toggle the power switch).
4. Continue holding FUNC until the status LED flashes Amber/Green alternately. This indicates the unit has detected the update file.

Option B – Recovery Mode (if Settings method fails)

1. Power off the unit completely (disconnect ACC or turn car off).
2. Insert USB.
3. Press and hold RST (pinhole reset) for 5 seconds.
4. Immediately keep pressing Power button (or a physical button combo like Vol- + Vol+ – varies by unit).
5. When recovery menu appears, use volume keys to navigate, Power to select.
6. Choose Apply update from USB → select update.zip.

Step-by-step: PC updater tool (typical)

1. Install official updater software and drivers.
2. Connect K2001N to PC via USB.
3. Run updater, select the full UPD file, and follow on-screen prompts.
4. Do not disconnect until the tool reports success and device reboots.
5. Confirm version post-update.

Option A – Through Android Settings (Preferred)

1. Insert USB into head unit.
2. Go to Settings → System → System Update (or “Upgrade”).
3. Choose Local Update → select the USB drive → update.zip.
4. Confirm. The unit will reboot, install, and reboot again.
5. Do not turn off power during update (takes 5–15 minutes).

Step 3: Apply the Update

Once in recovery (blue screen with text):

1. Use the volume knob or touchscreen to navigate.
2. Select "Apply update from USB".
3. Choose the file named update.zip (or similar).
4. Confirm by selecting Yes – Install full firmware.

The installation takes 5–15 minutes. You will see a progress bar and lines of code. Do not turn off power or remove the USB drive.