Windows Driver Signature Enforcement is blocking the VCOM driver.
adb shell su cat /proc/partitions
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| Error Code | Message | Likely Cause | Solution | | :--- | :--- | :--- | :--- | | | DA No Response | Device is stuck in USB mode instead of Preloader mode, or drivers are missing | Uninstall and reinstall MediaTek VCOM drivers. Check device manager for "MediaTek USB Port" vs "MediaTek Preloader USB VCOM Port" | | 5054 | Enable DRAM Failed | Incorrect scatter file or incompatible preloader | Ensure you are using the correct firmware for your exact device model. Try deselecting preloader before flashing | | Storage Mismatch | HW_STORAGE mismatch | Trying to flash eMMC firmware onto a NAND device (or vice versa) | This scatter file is not compatible with your device's storage type. Locate firmware specifically for your storage type (look for "NAND" in the filename) | | S_BROM_CMD_STARTCMD_FAIL | - | Preloader communication failure, often due to battery being too low | Charge your device for at least 30 minutes before attempting again | | S_DL_GET_DRAM_SETTING_FAIL | - | Corrupted scatter file or mismatched partition addresses | Redownload the firmware from a verified source. Verify the MD5 checksum before flashing | mt8127 android scattertxt download verified
A scatter file is a plain text document used by MediaTek flashing software. It acts as a map for your device's storage.
Restart your PC in "Disable Driver Signature Enforcement" mode, reinstall the MTK drivers, and try connecting the device again.
Once the progress bar reaches 100%, a green checkmark will appear. Your device is now flashed! Troubleshooting Tips Windows Driver Signature Enforcement is blocking the VCOM
: Browse to your downloaded firmware folder, choose the verified MT8127_Android_scatter.txt , and click Open. The tool will automatically parse the layout structure and populate the partition grid checklist below.
Verify referenced images
The flashing tool detected a mismatch in the file checksums. If you share with third parties, their policies apply
MT8127_Android_scatter.txt
You must install MediaTek USB VCOM drivers so your PC recognizes the tablet in "Preloader" mode. SP Flash Tool: The latest version is recommended.
If platform is not MT8127 or storage is NAND (wrong for MT8127, which is eMMC), discard it.
Backup original