Flashing incorrect firmware can permanently damage (hard-brick) your device. Always verify your specific model (e.g., BG6m) before proceeding.
Unroots your device and restores it to factory settings. How to Install Firmware on TECNO Spark Go 2024 Firmware TECNO Spark Go 2024
If OTA updates keep failing, your phone might have a modified system partition. Flashing complete stock firmware (including recovery.img ) usually fixes this. Firmware TECNO Spark Go 2024