Do you have access to a like UnlockTool?
: Match the build identity exactly. Never cross-flash MT6763 firmware onto variants running Qualcomm Snapdragon chipsets. Step-by-Step Flashing Installation Guide vivo y75a global firmware hot
A: Technically yes, but Vivo's anti-rollback mechanism prevents downgrading via normal means. Forcing a downgrade often bricks the phone. Do not attempt it. Do you have access to a like UnlockTool
While an official "global" variant was not the primary release for the vivo y75a global firmware hot