Originally Posted by 9MMSWORD
What are all you with the stock radio behind the tablet doing for power? I got a 2.1A car charger with an otg 90° and a USB extension cable but for some reason the tablet won't charge with the USB extension cable any ideas what I can do? Is it the extension cable or the otg cable?
I tapped into power and ground at the radio harness. I think you need a certain type of cable to charge through otg. Do you use the otg for a flash drive or something? If not they make 90° charging cables too which is what I have