Hello everyone I'm new here and I should get my device in the coming weeks! 1. I want to buy an extra battery and I didnt know buy an original or compatible? Does anyone have links to buy? 2. I need case i saw this but i dont know if this case protect the front of device anyone know? this case: http://www.aliexpress.com/item/xiao...-frumentacea-2-protective-case/747810968.html 3. I need mhl to hdmi cable.....all are the same? no matter what i buy? 4. Thanks very much!