Keeping your Trimui Smart Pro S updated with the latest firmware ensures better performance, improved stability, and access to the newest system optimizations. This article focuses only on the standard firmware upgrade process for devices that can power on normally.
1. What You Need Before Upgrading
Prepare the following items:
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A Trimui Smart Pro S handheld console
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A TF / microSD card formatted as FAT32 ⚠️ FAT32 only
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A computer (Windows or macOS)
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Official firmware file:
trimui_tg5040.awimg
Firmware Download
Download the latest official firmware from Trimui’s GitHub repository:
⚠️ Do not unzip, rename, or modify the firmware file.
2. Step-by-Step Firmware Upgrade Instructions
Step 1: Copy the Firmware File
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Insert the TF card into your computer
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Confirm the card is formatted as FAT32
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Copy
trimui_tg5040.awimgdirectly to the root directory of the TF card
Important: Do not place the file inside any folder
Step 2: Power Off the Device
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Safely eject the TF card from your computer
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Insert the TF card into the Trimui Smart Pro S
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Make sure the device is completely powered off
Step 3: Enter Firmware Upgrade Mode
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Press and hold Volume Down (–) and Power at the same time
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When a green boot or progress screen appears:
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Release the Power button
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Continue holding Volume Down (–)
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The firmware installation will begin automatically.
Step 4: Complete the Upgrade
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Wait until the progress bar reaches 100%
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Release the Volume Down (–) button
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The device will automatically reboot
🎉 The firmware upgrade is now complete.
3. Important Notes
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❗ Firmware file must be placed in the root directory
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❗ TF card must be FAT32 formatted
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🔋 Ensure sufficient battery power before upgrading
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⛔ Do not interrupt the upgrade process
Conclusion
This standard firmware upgrade method is the safest and easiest way to keep your Trimui Smart Pro S running smoothly. For devices that cannot boot or are stuck during startup, refer to the separate Rescue Card Recovery Guide.
Link to the illustrated tutorial:
