Latest Cheerson CX-20 Firmware
First off all, upgrading the quadcopter's firmware or any other device it's a very risky process, can brick your device, proceed only at your own risk!
The downloaded file also includes a short tutorial video about how to flash the firmware on your Cheerson CX-20 quadcopter.
At this moment, there are three versions of the CX-20 on the market with different...