Does your board support 4 lte dongle? Does it provide enough power on usb ports or its like the raspberry pi which can’t provide enough power.
yes,the youyeetoo X1 support the 4G LTE Dongle if you have the driver program for windows or linux X86
About the power current of the USB, see the WIKI page :
USB-A: USB2.0 * 2 (Limit 1.45A total) Two interfaces share 1.45A
USB-A: USB3.0 * 2 (Limit 1.45A total) Two interfaces share 1.45A
USB Pin: USB2.0 * 2 (Limit 1.45A total) Two interfaces share 1.45A