Click the green button at the top of the SP Flash Tool. Turn off your Tecno Spark 20 Pro completely.
Open Flash_tool.exe and select the Scatter-loading file from your firmware folder. Config: Set the flashing mode to Download Only .
| Error Message | Cause | Exclusive Firmware Solution | | --- | --- | --- | | STATUS_AUTH_FILE_NEEDED | Missing authentication file | Load the auth_sv5.auth from your exclusive package. | | S_BROM_CMD_STARTCMD_FAIL | Wrong or corrupted preloader | Use the exclusive preloader_kj7.bin from the stock ROM. | | ERROR: STATUS_DEVICE_CTRL_EXCEPTION | USB driver conflict | Reinstall MediaTek VCOM drivers and use a USB 2.0 port. | | PMT changed for the ROM | Partition mismatch | Select “Firmware Upgrade” instead of “Download Only.” | | DA_HASH_MISMATCH | Custom DA not allowed | Use the DA_SWSEC.bin provided in the exclusive package. | firmware tecno spark 20 pro exclusive
Flashing will completely wipe internal storage. Back up photos, contacts, and documents to a cloud service or PC.
The tool will start flashing. Once a green circle appears, the process is complete. Disconnect the phone and turn it on. Important Tips and Troubleshooting Click the green button at the top of the SP Flash Tool
Ensure your phone has at least 50% battery life to prevent it from shutting down mid-process.
: Turn off the device, boot directly into Android Recovery Mode (typically by holding Power + Volume Up), and select Wipe Data / Factory Reset . Config: Set the flashing mode to Download Only
Your Windows computer requires specific drivers to recognize the phone in VCOM/Preloader mode. Download and install the latest MediaTek USB drivers onto your PC before launching the flash tool. Step-by-Step Guide to Flashing Tecno Spark 20 Pro
