TECNO SPARK 3 PRO KB8 FIRMWARE FILE: {FACTORY SIGNED} KB8-H624BNPQ-P-190424V179 Please enable JavaScript to view the comments.TECNO SPARK GO KC1 FIRMWARE (FACTORY SIGNED FILE)…TECNO SPARK 3 KB7 FACTORY SIGNED FIRMWARE FLASH FILE…TECNO SPARK 4 AIR KC1j (FACTORY SIGNED) FLASH FILE…TECNO SPARK KA6 FACTORY SIGNED FIRMWARE TESTED