Complete installation guide for installing Android 6.0.1 Marshmallow to your Scishion V88 RK3229 Android TV Box. The process requires a Windows PC and Male to Male USB Cable.
If your V88 wont turn on and is only displaying a black screen, you need this guide to recover your V88 android tv box. Reinstalling the firmware is the only way to recover and unbrick your v88 tv box.
V88 Lollipop firmware and Tools here - http://mxqproject.com/files/Rockchip-3229-Recovery-Tools/Stock_Lollipop_Recovery_