Ensure the USB is formatted to FAT32 and the file is in the root directory. Try a different USB port if available.
Updating your is the simplest way to extend the lifespan of your equipment. Once the update is complete, it’s good practice to go back into the settings and perform a factory reset to ensure the new software configuration takes effect cleanly.
The device will display a progress bar. during this phase. The unit may reboot several times; this is normal. Troubleshooting Common Issues
Navigate to . Select "Update via USB" and confirm. 4. The Waiting Game
To avoid "bricking" your device (making it unusable), ensure you have the following:
If the download is a ZIP file, extract it. Copy the firmware file directly to the of your USB drive (don't put it in a folder). Rename the file only if the official instructions specifically tell you to. 3. Initiate the Update Power off the AOT-4221SR. Insert the USB drive into the service port. Power the device back on.
Ensure the USB is formatted to FAT32 and the file is in the root directory. Try a different USB port if available.
Updating your is the simplest way to extend the lifespan of your equipment. Once the update is complete, it’s good practice to go back into the settings and perform a factory reset to ensure the new software configuration takes effect cleanly.
The device will display a progress bar. during this phase. The unit may reboot several times; this is normal. Troubleshooting Common Issues
Navigate to . Select "Update via USB" and confirm. 4. The Waiting Game
To avoid "bricking" your device (making it unusable), ensure you have the following:
If the download is a ZIP file, extract it. Copy the firmware file directly to the of your USB drive (don't put it in a folder). Rename the file only if the official instructions specifically tell you to. 3. Initiate the Update Power off the AOT-4221SR. Insert the USB drive into the service port. Power the device back on.