Update & Downgrade Firmware Manually

To manually update or downgrade the AIO-5 Lite / Play firmware using an SD card, follow these steps:

1. Insert the SD card into the AIO-5 and format it (Settings > Storage > Format SD card).
   
2. Insert the SD card into your computer and copy the firmware file (SigmastarUpgradeSD.bin / Play_UpgradeEMMC.bin) to the root directory. Do NOT change the file name.
   
3. With the device powered off, insert the SD card into the AIO-5.
   
4. Power on the device - it will automatically enter the upgrade mode. Wait for the update to complete (around 2 minutes). Do not power off during the process.

Download the firmware package

If your AIO-5 device can't recognize the SD card, and the device won't boot up to format it, here's a workaround: Try formatting your SD card to the FAT32 file system, which is compatible with the AIO-5. 

For Windows PC:

Use a third party tool like rufus 

For Mac:

Open Disk Utility, then click your SD card > Erase > Format > MS-DOS (FAT) > Erase

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