Rooting your Piranha Business Tab 7" A_PIRANHA BUSINESS TAB 7_V1. 0_ Installing ROMs can be difficult and complicated. hi troy i have try this and my chinese tablet dosent enter into cwm nor I need compatibility zip for my tablet. it's a not common tablet and name of it is Piranha Business Tab . 7 "Multi-Touch Capacitive 5 points of contact. you can use this Android Tablet firmware, ROM to restore your Android China tablets to generic firmwares or upgrades. Make sure to charge.