: Modern MediaTek devices often feature "Secure Boot," which prevents unauthorized software from being flashed. The auth file acts as a digital key that the SP Flash Tool uses to communicate with the phone’s bootloader.
There are two main ways to handle this: using the actual file or bypassing the check entirely. Option 1: Use the Auth File in SP Flash Tool Tecno Camon IN5 (3 GB, 32 GB, Midnight Black) - ShopClues tecno in5 auth file