The Helio G25 chipset has a vulnerability that allows for code execution before the device even boots its OS. Force BROM: By holding the Volume Up + Volume Down
Using a "Repack" from unverified sources is risky. Modified tools can contain malware or incorrect "scatter" files that can permanently hard-brick the device. Official Tooling: 9a Unlock Tool REPACK
The tool sends a "payload" that disables the security check (Authentication Bypass). Instruction: The Helio G25 chipset has a vulnerability that
Performs a deep format to remove pattern, PIN, or password locks [2]. Bootloader Unlocking: or password locks [2]. Bootloader Unlocking: