Lenovo B8000-f Android Update Online

If your tablet is stuck in a boot loop, won't turn on, or you want a clean slate, reinstalling the original Android 4.4 KitKat system software (called "stock firmware") is often the best solution.

How to upgrade your Android phone or tablet - Lenovo Support lenovo b8000-f android update

For those who are more tech-savvy and want to get more out of their old tablet, there are advanced paths to explore: If your tablet is stuck in a boot