Downgrade BIOS of Acer Aspire V3-571G From 2.21 to 2.04?

asherpham
asherpham Member Posts: 3 New User

Hello everyone and Acer, thanks for visiting. Can someone tell me How to "Downgrade BIOS of Acer Aspire V3-571G From 2.21 to 2.04" ? I have some little problems and I want to downgrade my current BIOS version to 2.04. Thanks first.