History tablet didn't start up. stopped sometimes at first screen tried recovery with power and volume+ No succes tried upgrading with 7.0 firmware 4.2-121D-0922.img with LiveSuit.exe. Flashing stopped after 72% Notice: Upgrade failed. When the tablet was working properly there was communication with PC. So assume all Zeepad drivers installed What to do now?

Tablets & eReaders - ZEEPAD - 7" 7.0 Allwinnwer A13 Boxchip Cortex A8 Android 4.0, 4GB