I have a phantom 4 advance plus with screen drone
Due to lockdown i forget charging controler long time
Now my rc is not power on or not charging
What can i do
When i press power switch only 3 leds are blinking .
Please help me
I tried to switch on but I get 2 white light for a second became 3 with the third making few flash and then 1 light making 2 flash and everything
Any body know about it what is this happining